CS8129 datasheet(1/8 Pages) CHERRY

номер детали	CS8129

подробное описание детали	5V, 750mA Low Dropout Linear Regulator with Lower RESET Threshold

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производитель	CHERRY [Cherry Semiconductor Corporation]

домашняя страница	http://www.cherrycorp.com/

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5V, 750mA Low Dropout Linear

Regulator with Lower RESET Threshold

Features

s

5V +/- 3% Regulated

Output

s

Low Dropout Voltage

(0.6V @ 0.5A)

s

750mA Output Current

Capability

s

Reduced

Threshold

for use with 4V Micro-

processors

s Externally Programmed

Delay

s Fault Protection

Reverse Battery

60V, -50V Peak Transient

Voltage

Short Circuit

Thermal Shutdown

RESET

Package Options

5 Lead TO-220

1

VIN

NC

Gnd

NC

Delay

RESET

VOUT

NC

VOUT(SENSE)

Gnd

NC

Description

The CS8129 is a precision 5V linear reg-

ulator capable of sourcing 750mA.

The

threshold voltage has been

lowered to 4.2V so that the regulator

can be used with 4V microprocessors.

The lower

threshold also per-

mits operation under low battery condi-

tions (5.5V plus a diode). The

Õs

delay time is externally programmed

using a discrete RC network. During

power up, or when the output goes out

of regulation,

remains in the

low state for the duration of the delay.

This function is independent of the

input voltage and will function correct-

ly as long as the output voltage remains

at or above 1V. Hysteresis is included in

the Delay and the

comparators

to improve noise immunity. A latching

discharge circuit is used to discharge

the delay capacitor when it is triggered

by a brief fault condition.

The regulator is protected against a

variety of fault conditions: i.e. reverse

battery, overvoltage, short circuit and

thermal runaway conditions. The regu-

lator is protected against voltage tran-

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

circuit current is limited to 1.2A (typ).

The CS8129 is packaged in a 5 lead

TOÐ220 and a 16 lead surface mount

package.

RESET

Block Diagram

VOUT

VIN

Over Voltage

Shutdown

Pre-

Regulator

Regulated Supply

for Circuit Bias

Bandgap

Reference

Anti-Saturation

and

Current Limit

-

+

-

Q

R

S

Delay

Gnd

VOUTSENSE

Error

Amplifier

Delay Comparator

Latching Discharge

Charge

Current

Generator

RESET

Thermal

Shutdown

VDISCHARGE

CS8129

1VIN

2

3

Gnd

4

Delay

5VOUT

RESET

1

16 Lead SOIC Wide

A

Company

¨

Rev. 3/31/99

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

Аналогичный номер детали - CS8129

производитель	номер детали	датащи	подробное описание детали
ON Semiconductor	CS8129	114Kb / 11P	5.0 V, 750 mA Low Dropout Linear Regulator with Lower RESET Threshold June, 2006 ??Rev. 8
	CS8129	3Mb / 4P	AC-DC Offline Switching Controllers/Regulators Rev.0, Jun-2005
	CS8129YDW16	114Kb / 11P	5.0 V, 750 mA Low Dropout Linear Regulator with Lower RESET Threshold June, 2006 ??Rev. 8
	CS8129YDW16G	114Kb / 11P	5.0 V, 750 mA Low Dropout Linear Regulator with Lower RESET Threshold June, 2006 ??Rev. 8
	CS8129YDWR16	114Kb / 11P	5.0 V, 750 mA Low Dropout Linear Regulator with Lower RESET Threshold June, 2006 ??Rev. 8

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Аналогичное описание - CS8129

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Toshiba Semiconductor	TA8004AS	280Kb / 8P	5V LOW DROPOUT REGULATOR WITH RESET TIMER
Cherry Semiconductor Co...	CS403	158Kb / 6P	5V, 750mA Linear Regulator with RESET Rev. 2/18/98
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ON Semiconductor	CS8129	114Kb / 11P	5.0 V, 750 mA Low Dropout Linear Regulator with Lower RESET Threshold June, 2006 ??Rev. 8
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Аналогичный номер детали - CS8129

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