STEVAL-ISA070V1 STMICROELECTRONICS [STMicroelectronics], STEVAL-ISA070V1 Datasheet

STEVAL-ISA070V1

Manufacturer Part Number

STEVAL-ISA070V1

Description

3 A / 1.5 MHz step-down synchronous switching regulator based on the ST1S31 in SO-8 package

Manufacturer

STMICROELECTRONICS [STMicroelectronics]

Datasheet

1.STEVAL-ISA070V1.pdf (4 pages)

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3 A / 1.5 MHz step-down synchronous switching regulator based on

Features

■

Description

The STEVAL-ISA070V1 demonstration board is

based on the ST1S31, an internally compensated

1.5 MHz fixed-frequency PWM synchronous

step-down regulator. This device operates from

2.8 V to 5.5 V input, while it regulates an output

voltage as low as 0.8 V and up to V

The peak current mode control with internal

compensation delivers a very compact solution

with a minimum component count.

April 2012

For further information contact your local STMicroelectronics sales office.

4 A peak output current

2.8 V to 5.5 V input voltage

Output voltage adjustable from 0.8 V

1.5 MHz switching frequency

Internal soft-start and enable

Integrated 60 mΩ and 45 mΩ power MOSFETs

All ceramic capacitor

Power Good (POR)

Cycle-by-cycle current limiting

Current foldback short-circuit protection

RoHS compliant

Doc ID 023067 Rev 1

the ST1S31 in SO-8 package

STEVAL-ISA070V1

Data brief

www.st.com

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STEVAL-ISA070V1 Summary of contents

Page 1

... Cycle-by-cycle current limiting ■ Current foldback short-circuit protection ■ RoHS compliant Description The STEVAL-ISA070V1 demonstration board is based on the ST1S31, an internally compensated 1.5 MHz fixed-frequency PWM synchronous step-down regulator. This device operates from 2 5.5 V input, while it regulates an output voltage as low as 0.8 V and ...

Page 2

... Schematic diagram 1 Schematic diagram Figure 1. Schematic diagram 2/4 Doc ID 023067 Rev 1 STEVAL-ISA070V1 ...

Page 3

... STEVAL-ISA070V1 2 Revision history Table 1. Document revision history Date 11-Apr-2012 Revision 1 Initial release. Doc ID 023067 Rev 1 Revision history Changes 3/4 ...

Page 4

... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 4/4 Please Read Carefully: © 2012 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com Doc ID 023067 Rev 1 STEVAL-ISA070V1 ...

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