IP1621 datasheet(1/15 Pages) INTERPION

Part #	IP1621

Description	DUAL OUTPUT VOLTAGE LDO REGULATOR RESET IC

PDF	15 Pages

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Manufacturer	INTERPION [Interpion semiconductor]

Direct Link	http://www.interpion.com/

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1 / 15 page

April.2003 (Rev.1)

- 1 -

IP1621

DUAL OUTPUT VOLTAGE LDO REGULATOR + RESET IC

www.interpionsemi.com

- 1-Fixed 3.4V LDO regulator with internal NPN TR.

- 1-Fixed 2.67V LDO regulator with internal NPN TR.

- Typical reset detection voltage of 4.2V.

- Built-in TSD circuit.

- Built-in current limit circuit.

- Built-in over voltage protection circuit.

- Output voltage trimmed to +/-3% tolerance.

DESCRIPTION

FEATURES

Device

Package

Operating Temp

IP1621

14SOPH-8L

-35

OC ~ +85OC

ORDERING INFORMATION

14SOPH-8L

BLOCK DIAGRAM

The IP1621 is an integrated circuit that has triple LDO

regulators and one reset circuit. All the LDO regulators

have their own internal npn power transistors and their

nominal output voltages are 2.67V and 3.4V, respectively.

The reset circuit monitors the status of the regulator input

voltage and outputs the RESET signal. RESET becomes

high after the delay time that is determined by the exter-

nal capacitor at Td pin. The delay time begins to start

after the input voltage reaches above 4.2V.

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