1

Features

s

Two Regulated Outputs

Primary Output 5V

± 5%; 500mA

Secondary Standby 5V

±5%; 10mA

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Low Dropout Voltage

(0.6V at 0.5A)

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ON/OFF Control

Option

s

Low Quiescent Drain

(<3mA)

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RESET Option

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Protection Features

Reverse Battery

60V Load Dump

-50V Reverse Transient

Short Circuit

Thermal Shutdown

Overvoltage Shutdown

Package Option

5 Lead TO-220

Tab (Gnd)

1

5V, 5V Low Dropout Dual Regulator

with

/ENABLE

RESET

CS8135

Description

Block Diagram

Absolute Maximum Ratings

3 Gnd

4/

ENABLE

RESET

December, 2001 - Rev. 3

ON Semiconductor

2000 South County Trail, East Greenwich, RI 02818

Tel: (401)885–3600 Fax: (401)885–5786

N. American Technical Support: 800-282-9855

Web Site: www.cherry–semi.com

The CS8135 is a low dropout, high cur-

rent, dual 5V linear regulator. The sec-

ondary 5V/10mA output is often used

for powering systems with standby

memory. Quiescent current drain is

less than 3mA when supplying 10mA

loads from the standby regulator.

In automotive applications, the CS8135

and all regulated circuits are protected

from reverse battery installations, as

well as two-battery jumps. During line

transients, such as a 60V load dump,

the 500mA output will automatically

shut down the primary output to pro-

tect both internal circuits and the load.

The standby regulator will continue to

power any standby load.

The CS8135 is packaged in a 5 lead

TO-220.

NOTE: The CS8135 is compatible with

the LM2935.

Input Voltage

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

Load Dump ............................................................................................60V

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

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

Lead Temperature Soldering

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

Electrostatic Discharge (Human Body Model) ..........................................2kV

Gnd

RESET/

ENABLE

Output

Current

Limit

+

-

Output

Current

Limit

Over Voltage

Shutdown

+

-

+

-

Primary Output

Standby Output

+

-

Thermal

Shutdown

Bandgap

Reference