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AS1321

AMSCO
Part Number AS1321
Manufacturer AMSCO
Description Step-Up DC-DC Converter
Published Dec 8, 2006
Detailed Description www.DataSheet4U.com a u s t ri a m i c r o s y s t e m s AS1321 1 3 0 m A St e p - U p D C - D C C o n v e r t e r D a ...
Datasheet PDF File AS1321 PDF File

AS1321
AS1321

Overview
www.
DataSheet4U.
com a u s t ri a m i c r o s y s t e m s AS1321 1 3 0 m A St e p - U p D C - D C C o n v e r t e r D a ta S he e t 1 General Description The AS1321 is a high-efficiency step-up DC-DC converter designed to generate a fixed output voltage of +5.
0V.
The AS1321 achieves an efficiency of up to 96%.
The minimum input voltage is +1.
5V, the output voltage is fixed at +5.
0V, and output current is up to 130mA (@ 2V VBATT).
In order to save power the AS1321 features a shutdown mode, where it draws less than 1µA.
In shutdown mode the battery is connected directly to the output enabling the supply of real-time-clocks.
The AS1321 provides a power-on reset output that goes high-impedance when the output reaches 90% of its regulation point.
The SHDNN trip threshold of the AS1321 can be used as an input voltage detector that disables the device when the battery voltage falls to a predetermined level.
An internal synchronous rectifier is included, which is parallel with the external Sc...


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