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SC431, SC431036CPU, SC431037CVH

Table of contents:
Info of SC431
Info of SC431036CPU
Info of SC431037CVH

SC431, SC431036CPU, SC431037CVH Selling Leads, Datasheet

MFG:SC Package Cooled:SOT23/3 D/C:99

SC431, SC431036CPU, SC431037CVH Datasheet download

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Part Number: SC431

MFG: SC

Package Cooled: SOT23/3

D/C: 99

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SC431 General Description

The SC431 is a three terminal adjustable shunt regulator with thermal stability guaranteed over temperature. The output voltage can be adjusted to any value from 2.5V (V_REF) to 36V with two external resistors. The SC431 has a typical dynamic output impedance of 0.25. Active output circuitry provides a very sharp turn on characteristic, making the SC431 an excellent replacement for zener diodes.

The SC431 shunt regulator is available in three voltage tolerances (0.5%, 1.0% and 2.0%) and three package options (SOT-23-3, SO-8 and TO-92). The three voltage tolerances allow the designer the opportunity to select the proper cost/tolerance for their application.

SC431 Maximum Ratings

Parameter	Symbol	Maximum	Units
Cathode Voltage	V_Z	37	V
Continous Cathode Current	I_Z	150	mA
Reference Input Current	I_REF	10	mA
Operating Junction Temperature Range	T_J	-40 to +150	°C
Storage Temperature Range	T_STG	-65 to +150	°C
Thermal Resistance TO-92 SO-8 SOT-23	_JA	160 175 410	°C/W
Power Dissipation at T_A = 25°C TO-92 SO-8 SOT-23	P_D	0.78 0.71 0.30	W
Lead Temperature (Soldering) 10 seconds	T_LEAD	260	°C

SC431 Features

• Wide operating current range 100A to 150mA
• Low dynamic output impedance 0.25 typ.
• Trimmed bandgap design + 0.5%
• Alternate for TL431, LM431 & AS431

SC431 Typical Application

• Linear Regulators
• Adjustable Supplies
• Switching Power Supplies
• Battery Operated Computers
• Instrumentation
• Computer Disk Drives

SC431 Connection Diagram

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