STEVAL-ISA090V1 STMicroelectronics, STEVAL-ISA090V1 Datasheet

STEVAL-ISA090V1

Manufacturer Part Number

STEVAL-ISA090V1

Description

BOARD & REF DESIGN

Manufacturer

STMicroelectronics

Series

-r

Datasheet

1.STEVAL-ISA090V1.pdf (4 pages)

Specifications of STEVAL-ISA090V1

Main Purpose

DC/DC, Step Down

Outputs And Type

1, Non-Isolated

Power - Output

Voltage - Output

5.1V

Current - Output

3.5A

Voltage - Input

8 ~ 55 V

Regulator Topology

Buck

Frequency - Switching

150kHz

Board Type

Fully Populated

Utilized Ic / Part

L4973

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

STEVAL-ISA090V1

Manufacturer:

STMicroelectronics

Quantity:

Company:

BOSTOCK HK LIMITED

Part Number:

STEVAL-ISA090V1

Manufacturer:

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Features

■

Description

The STEVAL-ISA090V1 demonstration board

provides a platform for evaluation of the L4973, a

3.5 A step-down monolithic power switching

regulator operating in continuous mode.

Based on the selection of the external

components, the device can operate in the entire

input voltage range of 8 V < V

output voltage is limited by the voltage rating of

the output capacitor, so it can be adjusted within

the 3.3 V < V

divider R

are capable of sustaining the RMS current within

the operating range.

April 2011

For further information contact your local STMicroelectronics sales office.

Input voltage range: 8 V to 55 V

Output voltage: 5.1 V ± 3% (line, load and

thermal)

Output ripple: 51 mV

Output current range: 1 mA to 3.5 A

Max output ripple current: 30%

Current limit: 4.5 A

Switching frequency: 150 kHz

RoHS compliant

, R

OUT

. The input and output capacitors

3.5 A step-down switching regulator based on the L4973

< 30 V range through voltage

< 55 V. The

Doc ID 018689 Rev 1

STEVAL-ISA090V1

www.st.com

Data brief

1/4

Related parts for STEVAL-ISA090V1

STEVAL-ISA090V1 Summary of contents

Page 1

... Current limit: 4.5 A ■ Switching frequency: 150 kHz ■ RoHS compliant Description The STEVAL-ISA090V1 demonstration board provides a platform for evaluation of the L4973, a 3.5 A step-down monolithic power switching regulator operating in continuous mode. Based on the selection of the external components, the device can operate in the entire input voltage range < ...

Page 2

... Schematic diagram 1 Schematic diagram Figure 1. STEVAL-ISA090V1 circuit schematic 2/4 Doc ID 018689 Rev 1 STEVAL-ISA090V1 GAPMSMD00022 ...

Page 3

... STEVAL-ISA090V1 2 Revision history Table 1. Document revision history Date 01-Apr-2011 Revision 1 Initial release. Doc ID 018689 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 018689 Rev 1 STEVAL-ISA090V1 ...

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