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ST619LB 数据表(PDF) 1 Page - STMicroelectronics

部件名 ST619LB
功能描述  DC-DC CONVERTER REGULATED 5V CHARGE PUMP
Download  9 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST619LB 数据表(HTML) 1 Page - STMicroelectronics

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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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