CS8151 datasheet(1/14 Pages) ONSEMI

부품명	CS8151

상세설명	5.0 V, 100 mA Low Dropout Linear Regulator with Watchdog, RESET, and Wake Up

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October, 2008 − Rev. 18

1

Publication Order Number:

CS8151/D

CS8151

5.0 V, 100 mA Low Dropout

Linear Regulator with

Watchdog, RESET,

and Wake Up

The CS8151 is a precision 5.0 V, 100 mA micro−power voltage

regulator with very low quiescent current (400

mA typical at 200 mA

load). The 5.0 V output is accurate within

±2% and supplies 100 mA

of load current with a typical dropout voltage of 400 mV.

Microprocessor control logic includes Watchdog, Wake Up and

RESET. This unique combination of low quiescent current and full

microprocessor control makes the CS8151 ideal for use in battery

operated, microprocessor controlled equipment.

The CS8151 Wake Up function brings the microprocessor out of

Sleep mode. The microprocessor in turn, signals its Wake Up status

back to the CS8151 by issuing a Watchdog signal.

The Watchdog logic function monitors an input signal (WDI) from

the microprocessor. The CS8151 responds to the falling edge of the

Watchdog signal which it expects at least once during each wake−up

period. When the correct Watchdog signal is received, a falling edge is

issued on the wake−up signal line.

RESET is independent of VIN and operates correctly to an output

voltage as low as 1.0 V. A RESET signal is issued in any of three

situations. During power up the RESET is held low until the output

voltage is in regulation. During operation if the output voltage shifts

below the regulation limits, the RESET toggles low and remains low

until proper output voltage regulation is restored. And finally, a

RESET signal is issued if the regulator does not receive a Watchdog

signal within the Wake Up period.

The RESET pulse width, Wake Up signal frequency, and Wake Up

delay time are all set by one external capacitor CDelay.

The regulator is protected against short circuit, over voltage, and

thermal runaway conditions. The device can withstand 74 V peak

transients, making it suitable for use in automotive environments.

Features

• 5.0 V ± 2%/100 mA Output Voltage

• Micropower Compatible Control Functions

♦ Wake Up

♦ Watchdog

♦ RESET

• Low Dropout Voltage: 400 mV @ 100 mA

• Low Sleep Mode Quiescent Current (400 mA Typ)

• Protection Features

♦ Thermal Shutdown

♦ Short Circuit

♦ 74 V Peak Transient Capability

♦ Reverse Transient (−50 V)

• Internally Fused Leads in SO−14L and SO−16L Packages

• These are Pb−Free Devices

SO−16L

DWF SUFFIX

CASE 751G

1

16

D2PAK−7

DPS SUFFIX

CASE 936AB

1

7

http://onsemi.com

See detailed ordering and shipping information in the package

dimensions section on page 11 of this data sheet.

ORDERING INFORMATION

1

14

SOIC−14

D SUFFIX

CASE 751A

See general marking information in the device marking

section on page 2 of this data sheet.

DEVICE MARKING INFORMATION

유사한 부품 번호 - CS8151

제조업체	부품명	데이터시트	상세설명
Cherry Semiconductor Co...	CS8151	196Kb / 8P	5V, 100mA Low Dropout Linear Regulator with WATCHDOG, RESET, & WAKE UP Rev. 5/4/99
ON Semiconductor	CS8151/C	3Mb / 4P	AC-DC Offline Switching Controllers/Regulators Rev.0, Jun-2005
Cherry Semiconductor Co...	CS8151C	142Kb / 8P	5V, 100mA Low Dropout Linear Regulator with Watchdog, RESET, & Wake Up Rev. 3/17/99
	CS8151CGN8	142Kb / 8P	5V, 100mA Low Dropout Linear Regulator with Watchdog, RESET, & Wake Up Rev. 3/17/99
	CS8151YDPS7	196Kb / 8P	5V, 100mA Low Dropout Linear Regulator with WATCHDOG, RESET, & WAKE UP Rev. 5/4/99

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유사한 설명 - CS8151

제조업체	부품명	데이터시트	상세설명
Cherry Semiconductor Co...	CS8151	196Kb / 8P	5V, 100mA Low Dropout Linear Regulator with WATCHDOG, RESET, & WAKE UP Rev. 5/4/99
Cherry Semiconductor Co...	CS8151C	142Kb / 8P	5V, 100mA Low Dropout Linear Regulator with Watchdog, RESET, & Wake Up Rev. 3/17/99
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	CS8101	149Kb / 11P	Micropower 5.0 V, 100 mA Low Dropout Linear Regulator with RESET and ENABLE September, 2008 ??Rev. 19
	NCV4949APDR2G	174Kb / 11P	100 mA, 5.0 V, Low Dropout Voltage Regulator with Reset and Sense November, 2010 ??Rev. 1

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유사한 부품 번호 - CS8151

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