LM431 DATASHEET PDF

The LM is a 3-terminal adjustable shunt regulator with guaranteed temperature stability over the entire tempera- ture range of operation The output voltage. LM Adjustable Precision Zener Shunt Regulator An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in. View LM Datasheet datasheet from Texas Instruments at Digikey.

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C, the SO-8 at 6.

National Semiconductor

Test Circuit for Off-State Current. Now let us consider a simple application circuit for the device as shown below: Above this temperature, derate the TO at 6. Ratings apply to ambient temperature at 25? Distributors for availability and specifications. Before going for application circuit of LMlet us first understand the internal working of the device and for that consider the functional diagram of the device as shown below.

AN for more detailed information regarding board. Electrical specifications do not apply when operating the device.

Dynamic Impedance vs Frequency. Deviation of Reference Input Voltage Over. Test Circuit for Curve A Above. Here Ic is the current drawn by the transistor.

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Absolute Maximum Ratings Note 2. It popular application include. A critical component is any component of a life. Also the current draw by op-amp and resistor network is neglected for easy explanation.

Deviation of Reference Input Current over. LM is a regulator IC featured with adjustable output voltage. Internal Power Dissipation Notes 3, 4. To ensure that the geometry lm4331 the micro SMD package. Minimum Cathode Current for Regulation.

Must be electrically isolated from the.

Whenever the output crosses threshold threshold is value determined by R2 and R3 value the op-amp get feedback via Vref and it drives the transistor ON. The LM is a 3-terminal adjustable shunt regulator with. C, slope is positive. Submitted by admin on 18 November Due to the l431 turn-on characteristics this device is an excellent replacement for many zener diode applications.

Output Control of a Three. C unless otherwise specified. V Z from 10V to 36V. National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications.

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National Semiconductor – datasheet pdf

Ratio of the Change in Reference Voltage. TL — Programmable Reference Voltage. Pin Configuration LM has three pins and function of each pin is mentioned below. It is now available in a chip sized pack.

LM can be configured in many application circuits and a few are stated in the datasheet. The dynamic output impedance, r Zis defined as: Wave Soldering 10 sec. Life support devices or systems are devices or.

LM Zener Shunt Regulator Pinout, Features, Circuit & Datasheet

Adjustable Precision Zener Shunt Regulator. C, datasheer SOT at 2. Here reference voltage Vref is the voltage at the non-inverting terminal of the op-amp and this voltage determines whether the op-amp outputs positive voltage or not.

Infrared or Convection 20 sec. Symbol and Functional Diagrams. Single Supply Comparator with.