STEVAL-ISA083V1 STMicroelectronics, STEVAL-ISA083V1 Datasheet

STEVAL-ISA083V1

Manufacturer Part Number

STEVAL-ISA083V1

Description

Power Management IC Development Tools 4A peak 800kHz fixed ST1S40IPUR Eval

Manufacturer

STMicroelectronics

Type

PWM Controllersr

Datasheet

1.STEVAL-ISA083V1.pdf (4 pages)

Specifications of STEVAL-ISA083V1

Product Category

Power Management IC Development Tools

Rohs

yes

Product

Demonstration Boards

Tool Is For Evaluation Of

ST1S40IPUR

Input Voltage

4 V to 18 V

Output Voltage

3.3 V

Output Current

4 A

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

STEVAL-ISA083V1

Manufacturer:

STMicroelectronics

Quantity:

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Features

■

Description

The STEVAL-ISA083V1, based on the

ST1S40IPUR, is an internally compensated 800

kHz fixed-frequency PWM synchronous step-

down converter demonstration board.

The ST1S40 operates from 4.0 V to 18.0 V input,

while it regulates an output voltage as low as 0.8

V and up to V

The ST1S40 integrates a 95 mΩ high-side switch

and a 69 mΩ synchronous rectifier allowing very

high efficiency with very low output voltage.

The peak current mode control with internal

compensation delivers a very compact solution

with a minimum component count.

The ST1S40 is protected through cycle-by-cycle

current limiting in case of overload and is also

protected by a current foldback function with

frequency reduction in case of short-circuit.

The device is available with an enable on/off

function.

September 2011

For further information contact your local STMicroelectronics sales office.

demonstration board with enable on/off based on the ST1S40IPUR

Input voltage V

Output voltage V

Maximum output current: 4 A

Switching frequency: 800 kHz

Short-circuit protected

RoHS compliant

4 A peak 800 kHz fixed-frequency PWM synchronous step-down

(100% duty cycle).

out

: 4 V to 18 V

: 3.3 V

Doc ID 022278 Rev 1

STEVAL-ISA083V1

www.st.com

Data brief

1/4

Related parts for STEVAL-ISA083V1

STEVAL-ISA083V1 Summary of contents

Page 1

... Switching frequency: 800 kHz ■ Short-circuit protected ■ RoHS compliant Description The STEVAL-ISA083V1, based on the ST1S40IPUR internally compensated 800 kHz fixed-frequency PWM synchronous step- down converter demonstration board. The ST1S40 operates from 4 18.0 V input, while it regulates an output voltage as low as 0.8 V and (100% duty cycle) ...

Page 2

... Schematic 1 Schematic Figure 1. Circuit schematic 2/4 Doc ID 022278 Rev 1 STEVAL-ISA083V1 ...

Page 3

... STEVAL-ISA083V1 2 Revision history Table 1. Document revision history Date 27-Sep-2011 Revision 1 Initial release. Doc ID 022278 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: © 2011 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com Doc ID 022278 Rev 1 STEVAL-ISA083V1 ...

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