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TL432M3 датащи(PDF) 1 Page - Cystech Electonics Corp. |
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TL432M3 датащи(HTML) 1 Page - Cystech Electonics Corp. |
1 / 15 page CYStech Electronics Corp. Spec. No. : C504M3 Issued Date : 2003.03.21 Revised Date : 2013.10.23 Page No. : 1/15 TL432A3/N3/M3/K3 CYStek Product Specification Adjustable shunt regulator TL432A3/N3/M3/K3 Description Features TheTL432 is a three terminal adjustable shunt ◆ Low voltage operation(down to 1.24V) regulator with thermal stability guaranteed over ◆ Fast turn on response temperature. The output voltage can be adjusted ◆ Low dynamic output impedance 0.2Ω typ. to any value from 1.24V(VREF) to 18V with two ◆ Trimmed bandgap design : ±0.5% external resistors. The TL432 has a typical dynamic ◆ Sink current capability : 100mA output impedance of 0.2Ω. Active output circuitry ◆ Available in TO-92, SOT-23, SOT-89, and provides a very sharp turn on characteristic, making TO-92L packages the TL432 an excellent replacement for zener diodes. Applications The TL432 shunt regulator is available with two ◆ Linear Regulators voltage tolerances(0.5%, and 1% ), and four package ◆ Adjustable Supplies options(TO-92, SOT-23, SOT-89 and TO-92L). ◆ Switching Power Supplies This allows the designer the opportunity to select the ◆ Battery Operated Computers optimum combination of cost and performance for ◆ Instrumentation their application. ◆ Computer Disk Drives Typical Application Circuit(Note 1,2) TL432 Notes: 1) Set VOUT according to the following equation: VOUT=VREF(1+R1/R2)+IREFR1 2) Choose the value for R as follows: ˙The maximum limit for R should be such that the cathode current, Iz, is greater than the minimum operating current(80μA) at VIN(MIN). ˙The minimum limit for R should be as such that Iz does not exceed 100mA under all load conditions, and the instantaneous turn-on value for Iz does not exceed 150mA. Both of the following conditions must be met: Rmin ≥VIN(max)/150mA(to limit instantaneous turn-on Iz) Rmin ≥ VIN(max)-VOUT (to limit Iz under IOUT(min)+100mA normal operating conditions) |
Аналогичный номер детали - TL432M3 |
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Аналогичное описание - TL432M3 |
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