Datasheet > CS8122

CS8122

更新时间： 2024-09-18 22:40:19

品牌	Logo	应用领域
樱桃 - CHERRY		稳压器
页数	文件大小	规格书
8页	179K
描述
2% 5V, 750mA Low Dropout Linear Regulator with Delayed RESET

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CS8122 数据手册

CS8122

2% 5V, 750mA Low Dropout Linear

Regulator with Delayed RESET

Description

Features

■ 5V +/- 2% Regulated

The CS8122 is a precision 5V linear reg-

ulator capable of sourcing in excess of

750mA. The Õs delay time is

The regulator is protected against a

variety of fault conditions: i.e. reverse

battery, overvoltage, short circuit and

thermal runaway conditions. The regu-

Output

RESET

externally programmed using a discrete

■ Low Dropout Voltage

(0.6V @ 0.5A)

RC network. During power up, or when lator is protected against voltage tran-

the output goes out of regulation, the

lead remains in the low state

sients ranging from -50V to +40V. Short

circuit current is limited to 1.2A (typ).

■ 750mA Output Current

RESET

Capability

for the duration of the delay. This func-

tion is independent of the input voltage

and will function correctly as long as

the output voltage remains at or above

1V. Hysteresis is included in the Delay

The CS8122 is an improved replacement

for the CS8126 and features a tighter tol-

erance on its output voltage (2% vs 4%).

■ Externally Programmed

RESET Delay

The CS8122 is packaged in a 5 lead

TOÐ220 with copper tab. The copper tab

can be connected to a heat sink if

necessary.

■ Fault Protection

Reverse Battery

and the

comparators to

RESET

improve noise immunity. A latching

discharge circuit is used to discharge

the delay capacitor when it is triggered

by a brief fault condition.

60V Load Dump

-50V Reverse Transient

Short Circuit

Thermal Shutdown

Block Diagram

Package Options

Over Voltage

Shutdown

OUT

5 Lead TO-220

Pre-

Regulator

Regulated Supply

for Circuit Bias

Error Amplifier

Bandgap

Reference

Anti-Saturation

and

Current Limit

OUT

Thermal

Shutdown

Charge

SENSE

Current

Generator

V_IN

V_OUT

Gnd

Delay

RESET

Latching Discharge

Delay

Gnd

Delay Comparator

VDISC

RESET

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

Rev. 2/5/99

Company

12 3 4 5 6 7 8

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