ST619LB datasheet(1/9 Pages) STMICROELECTRONICS

No. de pieza	ST619LB

Descripción Electrónicos	DC-DC CONVERTER REGULATED 5V CHARGE PUMP

PDF	9 Pages

Scroll/Zoom	100%

Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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May 2001

s

REGULATED 5V

±4% CHARGE PUMP

s

OUTPUT CURRENT GUARANTEED OVER

TEMPERATURE : 20mA (VI ≥ 2V ),

30mA (VI ≥ 3V )

s

NO INDUCTORS; VERY LOW EMI NOISE

s

USES SMALL, INEXPENSIVE CAPACITORS

s

LOGIC CONTROLLED 1

µA MAX

SHUT-DOWN SUPPLY CURRENT

s

SHUT DOWN DISCONNECTS LOAD FROM

INPUT

s

AVAILABLE IN SO-8 AND DIP-8 PACKAGES

DESCRIPTION

The ST619LB is a step-up charge pump DC-DC

converter which delivers a regulated 5V

±4%

output at 30mA and over temperature. The input

voltage range is 2V to 3.6V (two battery cells).

It requires only four external capacitor: two 0.22

µF

flying capacitors, and 10

µF capacitors at the input

and output.

Low operating supply current (typ 200

µA) make

the device ideal for small, portable and battery

powered applications. When shut down the load

is disconnected from the input and the supply

current is typically 0.02

µA. The ST619LB is

available in SO-8 and DIP-8 packages.

ST619LB

SERIES

DC-DC CONVERTER REGULATED 5V CHARGE PUMP

SCHEMATIC DIAGRAM

DIP-8

SO-8

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ST619LB Datasheet(PDF) 1 Page - STMicroelectronics

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