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LM723 Power Supply PCB

  • Over 10 years in LM723 Power Supply PCB manufacturing experience
  • Wide range of excellent quality LM723 Power Supply PCB
  • Certified LM723 Power Supply PCB manufacturer
  • Excellent after-sale service

What Are The Applications Of Power Supply PCB

Some importants applications of power supply PCB are listed as belows:

1.It’s used in almost all low power applications
2.It’s used in the linear regulators for the power control
3.It’s used in the switching regulators for integrating with the other circuits
4.ICs are more than suitable for all mobile devices
5.Itis used in all devices that plug into a wall outlet
6.Low power consumption mobile devices also include this power supply circuit

Applications Of Power Supply PCB
Shelf Life Of Power Supply PCB

What Is The Shelf Life Of Power Supply PCB?

The shelf life of the power supply PCB is 5 to 8 years.

The shelf life of the power supply of PCBs depends on the quality of production and the way of adopted to proceed them.

The use of high-quality manufacturing aspects, the availability of PCB,and the type of solder are used to make the power supply impact their shelf life.

The shelf life of many other models for power supply of PCB have many years in case of brand new items.

What Is Power Supply PCB Hs Code?

The power supply PCB Hs code is as the characterized Harmonized System (HS) codes.

These codes are the initial entity for the industry classification systems and are often used in the export process of goods.

It is a 6-10 digital number made to the power supply circuits of PCBs when shipping them on an international scale.

Customs often use this number to identify or classifty the shipped products all around the world.

Power Supply PCB Hs Code

Your Leading LM723 Power Supply PCB Manufacturer

Venture is an expert supplier and manufacturer of LM723 Power Supply PCB in China for over 10 years.

With our state-of-the-art manufacturing facilities, equipment, and tools allow us to produce a wide range of LM723 Power Supply PCB.

All of our LM723 Power Supply PCB is manufactured with excellent grade raw materials. Venture strives to give you the highest quality LM723 Power Supply PCB for your applications.


Your Leading LM723 Power Supply PCB Supplier in China

Venture is the biggest PCB manufacturer in China for more than 10 years. All types of PCBs are available in our factory such as LM723 Power Supply PCB, lm3875 PCB, lm3915 VU meter PCB, etc.

Venture LM723 Power Supply PCB manufacturer and supplier has been a business partner by the top 500 companies throughout the world. You can also rely on Venture as your best partner for your business.

We can definitely help you boom your business! As a leading LM723 Power Supply PCB manufacturer and supplier in China, we have passed a lot of certifications including BSCI, UL, CE, and more.

During the production, Venture stays on top of every detail in the LM723 Power Supply PCB manufacturing process. From product monitoring, costing calculation, quality assurance, to sample creation.

Venture Electronics has a rich experience in LM723 Power Supply PCB manufacturing you can rely on. You rest assured with high-end LM723 Power Supply PCB products at Venture Electronics.

If you are looking for a one-stop supplier for your LM723 Power Supply PCB needs, Venture is the best choice! We have manufactured a wide array of LM723 Power Supply PCB for your business necessities.

Venture is a professional manufacturer and supplier of LM723 Power Supply PCB in China for more than 10 years. We are experts in manufacturing LM723 Power Supply PCB then shipping it across the world.

If you desire a long-lasting business, then consider Venture as your best LM723 Power Supply PCB manufacturer, supplier, and distributor.

In fact, we are one of the best and most popular LM723 Power Supply PCB suppliers around the world.

Contact us now to get LM723 Power Supply PCB!

LM723 Power Supply PCB: The Ultimate FAQ Guide


If you are looking for any information about LM723 power supply PCB, you will find it right here.

In this guide, I will answer all your questions on LM723 power supply PCB – from specifications, material type, properties to classification criteria.

So keep reading to learn more.

What Is An LM723 Power Supply PCB?

This is a printed circuit board that can regulate voltage and supply power to the PCB components you connect.

LM723 power supply PCB can supply current output reaching up to 150 Ma, and you can add external transistors to get a desired current load.

LM723 Cicruit diagram

LM723 Circuit Diagram

LM723 Power Supply PCB

LM723 power supply PCBs

What Are The Types Of Regulated LM723 Power Supply PCB?

Regulated LM723 power supply PCB has a voltage regulator enabling you to maintain stable voltages.

This is possible regardless of the load current that is consumed as long as it does not surpass the set limits.

In this PCB, circuits always sample output voltage then correct it to maintain the output voltage at a suitable value.

Besides, you can add some circuitry to offer limits for voltage or current, adjusting output, and noise filtering.

Examples of regulated LM723 power supply PCBs include the following:

Linear LM723 Power Supply PCB

This board is vital when accurate regulation and noise removal are important factors.

They offer the best performance besides being not the most efficient power supply PCB source.

Also, they do not use switches to regulate voltage output, hence their name.

Linear LM723 power supply PCB has been available for several years and is common yet reliable.

Besides, they are commercially available and do not produce noise.

This PCB is suitable with large parts making them larger and able to discharge more heat than switch-mode PCBs.

However, they are less efficient than switch mode and battery-based LM723 power supply PCB.

Switch Mode LM723 Power Supply PCB

The construction of these PCBs is complicated but they possess more versatility in polarity.

When you design them properly, they can offer efficiency levels of 80% or more.

Besides, they contain several parts and are smaller and cost-effective than linear LM723 power supply PCB.

This PCB offers less loss across switches and produces noise since they operate at high frequencies that interfere with circuits.

When using this PCB, ensure to apply interference suppression measures.

The benefits of this PCB is that they are:

  1. Lightweight
  2. Small
  3. Broad input voltage range
  4. Higher output range
  5. Offer more efficiency

Battery Based LM723 Power Supply PCB

This PCB enables you to store energy in a mobile fashion.

Besides, they emit minuscule noise, loses capacity, and will not offer constant voltage since the batteries may drain.

If the application uses laser diodes, battery-based LM723 power supply PCBs will offer the least efficiency.

What Should You Consider When Designing LM723 Power Supply PCB?

When designing power supply PCBs, ensure they can deliver clean power and produce as minimal noise as possible.

Here are some factors worth considering when designing LM723 power supply PCBs:


The LM723 power supply PCB will be handling high current levels.

Ensure you apply suitable trace widths and weight of copper to contain such current levels.


Since LM723 PCBs emit heat when in usage, ensure the design can dissipate as much heat as possible.

This will ensure it continues to operate optimally.


To ensure that the LM723 power supply PCB does not create EMI to the entire board due to noise, make sure that you:

  1. Use compact packages
  2. Place the components tightly and optimally
  3. Apply the best grounding strategies
  4. Use the shortest routing

How Does LM723 Power Supply PCB Operate?

Power supply PCB

Power supply PCB

To acquire constant and regulated voltage output at another pin, you will apply the input voltage to another pin on the LM723 power supply PCB.

The voltage relays back when you connect resistors and capacitors to non-inverting pins of the integrated circuit [IC].

This will lead to the comparison of both voltages at the non-inverting pin and the inverting pin.

Current flows from the collectors to the emitters in series pass transistors when the voltage in one pin is greater than the other.

This leads to you achieving output voltage

What Are The Advantages Of LM723 Power Supply PCB?

Here are some advantages of using LM723 power supply PCBs:

  • They emit low noise
  • Also, they offer a broad voltage range
  • They are very flexible
  • Besides, they are economical
  • They support external pass transistors
  • Also, they can access the complete temperature range

What Are The Limitations Of LM723 Power Supply PCB?

Here are some limitations to using LM723 power supply PCBs:

  • The does not offer exact current limiting
  • It offers the lowest dropout voltage
  • The current limiting is delicate to overload
  • It offers a moderate error amplifier gain
  • Also, it provides error amp bias current
  • Besides, you should be keen when you are using MOSFET pass transistors
  • It provides minimal regulated O/P voltage

What Are The Configurations Of An LM723 Power Supply PCB?

Here is a list of the configuration on LM723 power supply PCBs:

  • PIN 1 which is not connected
  • Pin 2 which is the current limit whose task is to limit current
  • Pin 3 is the current sense and it is usable in fold-back applications and limiting current
  • Pin 4 is the inverting input and offers stable O/P voltage
  • Pin 5 is a non-inverting output and it supplies a reference voltage to the internal part of the operational amplifier
  • Pin 6 which offers 7v reference voltage
  • Pin 7 is the ground pin
  • Pin 8 is not connected
  • Pin 9 which makes negative regulators
  • Pin 10 which is the O/P pin
  • Pin 11 is the input of the series pass collector transistor
  • Pin 12 offers input to the positive supply
  • Pin 13 is the frequency separation pin that lowers noise through 100pf capacitor
  • Finally, pin 14 which you will not connect

Where Will You Use LM723 Power Supply PCB?

LM723 power supply PCB Layout

LM723 power supply PCB Layout

LM723 power supply PCB finds its use in a broad range of applications since it is small and low cost.

Besides, you can use the board in series, linear, floating, shunt, and switching regulators.

Also, the broad voltage range, minimal noise, and flexibility make it suitable for series voltage regulation utilization.

What Are Some Thermal Properties Of LM723 Power Supply PCB?

These properties include:

Coefficient Of Thermal Expansion CTE [ppm]

The rate at which LM723 power supply PCB expands in the presence of heat is known as the coefficient of thermal expansion.

Ensure the coefficient of thermal expansion is as low as possible.

Glass Transition Temperature Tg [°C]

This temperature will enable the LM723 power supply PCB to change from hard to soft.

The temperature of the solder mask should be greater than the glass transition temperature.

Decomposition Temperature Td [°C]

This is the temperature at which the substrate of LM723 power supply PCB permanently decays.

The temperature of the solder mask should be greater than the decomposition temperature.

Thermal Conductivity k [W/m]

This is the rate at which heat will move within the LM723 power supply PCB.

Insulators have a low thermal conductivity than conductors.

What Are The LM723 Power Supply PCB Layout Guidelines To Assist You Design Clean Power Supply?

These guidelines include the following:

Component Placement

Keep parts of the LM723 power supply PCB tightly together to lower trace length and near devices that receive the load.

Place the components to ensure you have a short power path and passes directly through them.

Layer Stackup

In multilayer LM723 power supply PCB, ensure the ground or power plane is between the outer and inner layers.

The outer layers have power supply parts and routing while inner layers have sensitive signals.

The plane will protect delicate signal traces from power parts that emit noise and routing of the outer layers.


Ensure you create separate ground for the power parts and solid ground place over routing with traces.

This creates optimal grounding and isolates noise from delicate signal return paths from the common ground plane.

Trace Routing

Some designers route after and others before placement, but ensure the routing complements placement having short direct traces.

Also, use wide traces for the current, and avoid right angles but use 45-degree or rounded angles.

Besides, stay clear from using vias as power traces as they will add inductance.

Also, do not route other signal traces beneath power components in the LM723 power supply PCB.

What Are The Features Of An LM723 Power Supply PCB?

The features include:

  • It allows you to achieve current output exceeding 10A by adding external transistors
  • Also, you can adjust the output voltage
  • Short-circuit protection
  • It comes with LED indicators that show the current limit
  • Also, it allows you to adjust the output voltage from 2V to 37 V
  • Positive or negative supply functionalities

What Quality Standards Should An LM723 Power Supply PCB Conform To?

When LM723 power supply PCBs comply with the set quality standards, you are sure that it is safe to use and operates efficiently.

The quality standards it should conform with include:

Business Social Compliance Initiative [BSCI] certification

This standard monitor and assesses the workplace standards across global supply chains.

It ensures suppliers are legally and ethically treating workers who manufacture LM723 power supply PCBs.

UL Certification

This standard shows that Underwriters’ Laboratories has tested the LM723 power supply PCB to nationally recognizable standards.

CE Mark

This quality standard gives you the surety that manufacturers of LM723 power supply PCB conform to European health, safety, and environmental standards.

Besides, it applies suppliers from any area who sell LM723 power supply PCBs in European Economic Areas.

RoHS [Restriction Of Hazardous Substances]

This standard bars manufacturer from using 10 toxic materials when manufacturing LM723 power supply PCBs.


This standard supports new quality management systems that:

  1. Provide continuous improvements
  2. Reduce waste
  3. Prevent defect

What Are The Mechanical Properties Of LM723 Power Supply PCB?

These properties entail:

Time To Delamination

It is the duration it takes LM723 power supply PCBs dielectric material to defy delaminate-causing effects.

It describes the duration it takes the layers within the board to unbind due to changes in specific temperature levels.

Besides, the laminate or glass within the LM723 power supply PCB will delaminate due to thermal shock or moisture.


This is how you will measure the density of dielectric material, in grams per cubic centimeter [g/cc].

Also, the density of LM723 power supply PCB can happen in pounds per cubic inch [lb/in3].

Flexural Strength

This is the ability of LM723 power supply PCBs dielectric materials to resist breaking when you apply physical stress.

Testing flexural strength of LM723 power supply PCBs entails applying force at the center of the board as you support the ends.

Peel Strength

This is the capability of the copper and dielectric layers to form a bond.

What Are The Different Ways To Mount LM723 Power Supply PCB?

These methods include:

Surface-mount Technology [SMT]

Here, you will place the electrical components on the surface of the LM723 power supply PCB.

This process allows you to make small, cost-effective, lightweight devices, quickly.



Thru-hole Technology [THT]

These devices entail the use of long leads that you pass in holes within the LM723 power supply PCB.

Thru-hole technology enables you to make strong mechanical connections that those in surface-mount technology.

Besides, the process of using THT is labor-intensive hence, some manufacturers are moving towards SMT.

What Is The Design Process Of LM723 Power Supply PCB?

The process entails the following:

Approaching The Vendor

This process entails presenting the design ideal to the vendor, whose engineers learn how you would like the PCB to operate.

Supplier Creates Schematics

This entails reviewing the schematics from the supplier since it controls the project.

Ensure you thoroughly and accurately discuss this with your vendor.

PCB Design

The designer creates the LM723 power supply PCB once they open the schematics.

Generation Of The Circuit Board

The designer develops a Gerber file which they will use to produce a bare circuit board.

Assembly Of Board

Here, you will place the parts of the LM723 power supply PCB carefully.

Quality Inspection

The intensity depends on the application of the LM723 power supply PCB.

What Factors Should You Consider When Deciding On The Number Of Layers In LM723 Power Supply PCB?

These factors include the following:

  • Application of the PCBThe demand and the application of the LM723 power supply PCB will determine the number of layers you need.
  • Operation frequencyIf you require high speeds and operating capabilities, you are better off with a multilayer LM723 power supply PCB.
  • BudgetManufacturing costs will increase as you increase the number of layers you need within the LM723 power supply PCB.
  • Lead timeThis is the time it will take the manufacturer to make the LM723 power supply PCB, be it a single or a multilayer PCB.As the PCB size and number of layers increases, the lead time will increase.
  • Density and signal layersThe layers in the PCB rely on signal layers and the pin density since the number of layers increases as pin density drops.

What Are Some Tips For Purchasing LM723 Power Supply PCB?

These include:

  • Confirm what offerings the manufacturers have in place
  • Ensure you have your schematics and the design of the circuit
  • Locate resources on how you can design a PCB
  • Apply dimensions of the standard-size PCBs
  • Ensure you use software that can export the design to Gerber file formats
  • Double-check the PCB design
  • Check the PCB for any defects

What Are The Electrical Properties Of LM723 Power Supply PCB?

These properties entail:

  • Dissipation Factor or Dielectric Loss Tangent ]Tan δ or Df]When the loss tangent is low, LM723 power supply PCBs lose less power.The dissipation factor will range between 0.02 and 0.001.
  • Surface Resistivity [ρS]This shows how LM723 power supply PCB dielectric materials defy electricity and insulation.
  • Relative Permittivity or Dielectric Constant [Dk/Er]Signal integrity and impedance impact the electrical performance of LM723 power supply PCB dielectric materials.LM723 power supply PCB materials possess a dielectric constant ranging between 3.5 and 5.5.
  • Electrical StrengthThis is the capability of LM723 power supply PCBs to resist electrical disruption in the Z direction.
  • Volume Resistivity [ρ]This is the capacity of LM723 power supply PCB dielectric materials to resist electricity or insulation.

How Does Regulated And Unregulated LM723 Power Supply PCB compare?

Here is how they compare:

Regulated LM723 Power Supply PCB

These have consistent voltage, noise filter, precise tuning, adjustable output current, and are available in high-quality power supplies.

Besides, they are complex and are costly.

Unregulated LM723 Power Supply PCB

They form simple circuitry and are durable.

However, the voltage will vary with load current and the design is for fixed output current.

What Are Some Specifications Of LM723 Power Supply PCBs Worth Considering?

They include:

Output Current

This is the maximum current that the LM723 power supply PCB can supply to the load.

Noise And Ripple

Any unwanted and added electronic interference is noise while ripples are small fluctuations in voltage when AC changes to DC.

Load Regulation

This is the ability of LM723 power supply PCB regulators to maintain the output when you change the load current.

The measurement of load regulation is millivolts [mV] or maximum output voltage.

Overload Protection

This is a safety feature within the LM723 power supply PCB that inhibits damage when there is a short circuit or overcurrent.


This is the ratio of power that the LM723 power supply PCB pulls from the power source and converts it efficiently to DC power.

Overvoltage Protection

This is a circuit within the LM723 power supply PCB to shut off the power supply when voltage surpasses a certain nominal value.

What Are The Chemical Properties Of LM723 Power Supply PCBs?

These include:

Flammability Specifications [UL94]

The Standard for Safety of Flammability of Plastic Materials for Parts in Devices and Appliances [UL94] will rate the flame-retardant characteristics of plastics.

It describes the need for the materials to burn for less than 10 seconds with flaming combustion.

Moisture Absorption

This is the capacity of LM723 power supply PCBs dielectric materials to resist moisture when in liquids.

Most LM723 power supply PCB materials contain moisture absorption of between 0.01% and 0.20%.

Methylene Chloride Resistance [MCR]

This is the ability of LM723 power supply PCBs to resist chemicals that checks the resistance of dielectrics to methylene chloride absorption.

Dielectrics have an MCR of between 0.01% and 0.20%.

What Are The Basic Sections To LM723 Power Supply PCBs?

They include:

  • TransformerThis is a component that transfers electrical energy without affecting the frequency.
  • RectifierThis part changes AC power to pulsating DC.
  • FilterThis component keeps the ripple parts from showing in the output.
  • RegulatorThis component provides regulated DC output.

How Can You Test LM723 Power Supply PCBs?

The various methods include:

  • Visual testing
  • In-circuit testing
  • X-ray inspection
  • Functional testing
  • Automated Optical Inspection [AOI]

What Are Safety Approvals For LM723 Power Supply PCBs?

Major risks to LM723 power supply PCB are electric shocks and overheating.

The safety approvals organizations include UL in the USA, VSA in Canada, CENELEC in Europe, and EN 60950-1 [IEC 60950-1] that is worldwide.

What Is The Replacement Of LM723 Power Supply PCB?

The UA723CN is a Direct Replacement for the LM723 power supply PCB.

How Does Linear and Switching LM723 Power Supply PCBs Compare?

Linear has 20% to 60% efficiency while switching LM723 power supply PCBs have 70% to 80% efficiency.

Switching can operate in step-down and step-up while linear can operate as step-down operations.

Linear is suitable for usage less than 20 W while switching is suitable for high-power applications.

Switching may produce more noise while linear produce little or no noise during output.

Linear is heavy and bulky while switching is small in size.

How Do Environmental Factors Affect LM723 Power Supply PCBs?

LM723 power supply PCBs

LM723 power supply PCBs

External airflow as part of heat management may change LM723 power supply PCBs environment due to corrosion.

Also, high levels of heat can damage the LM723 power supply PCB.

What Are Some LM723 Power Supply PCB Information You Need When Interfacing an Op-Amp to an Analog to Digital Converter?

They include:

  • Budget for the whole system
  • Power supply voltages within the design
  • Unique traits of the power supply
  • Power supply voltage for amplifier circuitry
  • Precision reference
  • Extra voltage supply to improve performance

So, if you’re looking for high performance and reliable LM723 power supply PCB, Venture is here to help – contact us now.

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