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CS8156YT5

12V, 5V Low Dropout Dual Regulator with ENABLE

Cherry semiconductor 

CS8156

12V, 5V Low Dropout Dual Regulator

with ENABLE

Description

Features

The CS8156 is a low dropout 12V/5V

dual output linear regulator. The 12V

± 5% output sources 750mA and the 5V

±2.0% output sources 100mA.

The on board ENABLE function con-

trols the regulatorÕs two outputs. When

the ENABLE lead is low, the regulator

is placed in SLEEP mode. Both outputs

are disabled and the regulator draws

only 200nA of quiescent current.

The regulator is protected against over-

voltage conditions. Both outputs are

protected against short circuit and ther-

mal runaway conditions.

The CS8156 is packaged in a 5 lead

TOÐ220 with copper tab. The copper

tab can be connected to a heat sink if

necessary.

s Two regulated outputs

12V ±5.0%; 750mA

5V ±2.0%; 100mA

s Very low SLEEP mode

current drain 200nA

s Fault Protection

Reverse Battery

Absolute Maximum Ratings

+60V, -50V Peak

Transient Voltage

Input Voltage

Operating Range .....................................................................-0.5V to 26V

Peak Transient Voltage (Load Dump = 46V) ....................................60V

Internal Power Dissipation ..................................................Internally Limited

Operating Temperature Range................................................-40¡C to +125¡C

Junction Temperature Range...................................................-40¡C to +150¡C

Storage Temperature Range ....................................................-65¡C to +150¡C

Lead Temperature Soldering

Wave Solder (through hole styles only)..........10 sec. max, 260¡C peak

Short Circuit

Thermal Shutdown

s CMOS Compatible

ENABLE

Package Options

VIN

ENABLE

Block Diagram

+

+

Pre-Regulator

-

-

Anti-Saturation

and

Current Limit

VOUT2, 5V

5 Lead TO-220

Tab (Gnd)

VOUT1, 12V

Gnd

Over Voltage

Shutdown

Bandgap

Reference

+

Anti-Saturation

and

Current Limit

-

Thermal

Shutdown

1 VIN

2 VOUT1

3 Gnd

1

4 ENABLE

5 VOUT2

Rev. 2/19/98

Cherry Semiconductor Corporation

2000 South County Trail, East Greenwich, RI 02818

Tel: (401)885-3600 Fax: (401)885-5786

Email: info@cherry-semi.com

Web Site: www.cherry-semi.com

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