STEVAL-ISA079V2 datasheet(1/4 Pages) STMICROELECTRONICS

Part #	STEVAL-ISA079V2

Description	High-efficiency monolithic synchronous step-down regulator based on the L6928

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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Data brief

For further information contact your local STMicroelectronics sales office.

October 2011

Doc ID 022262 Rev 2

1/4

4

STEVAL-ISA079V2

High-efficiency monolithic synchronous step-down regulator based

on the L6928

Features

■ 2.0 V to 5.5 V battery input range

■ High efficiency: up to 95%

■ Extremely low quiescent current

■ 1 µA max shutdown supply current

■ 800 mA max output current

■ Adjustable output voltage from 0.6 V

■ Low dropout operation: up to 100% duty cycle

■ ± 1% output voltage accuracy

■ 1.4 MHz switching frequency

■ Externally synchronizable from 1 MHz to 2

MHz

■ Short-circuit protection

■ RoHS compliant

Description

The STEVAL-ISA079V2 demonstration board is

based on the L6928 DC-DC monolithic regulator,

specifically designed to provide extremely high

efficiency.

The L6928 supply voltage can be as low as 2.0 V,

allowing its use in single Li-Ion cell supplied

applications.

The output voltage can be selected by an external

divider down to 0.6 V. The duty cycle can saturate

to 100%, allowing low dropout operation.

Note:

Previous part number EVAL6928Q1

STEVAL-ISA079V2

www.st.com

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STEVAL-ISA079V2 Datasheet(PDF) 1 Page - STMicroelectronics

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