STEVAL-ISA093V1 STMicroelectronics, STEVAL-ISA093V1 Datasheet

STEVAL-ISA093V1

Manufacturer Part Number

STEVAL-ISA093V1

Description

Power Management IC Development Tools 3A Step Down L7981 Demonstration board

Manufacturer

STMicroelectronics

Type

Power Driversr

Datasheet

1.STEVAL-ISA093V1.pdf (4 pages)

Specifications of STEVAL-ISA093V1

Product Category

Power Management IC Development Tools

Product

Demonstration Boards

Tool Is For Evaluation Of

L7981

Input Voltage

4.5 V to 28 V

Output Voltage

0.6 V

Output Current

3 A

Available stocks

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Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

STEVAL-ISA093V1

Manufacturer:

STMicroelectronics

Quantity:

Company:

BOSTOCK HK LIMITED

Part Number:

STEVAL-ISA093V1

Manufacturer:

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Features

■

Description

The STEVAL-ISA093V1 is a step-down switching

power supply based on STMicroelectronics’

L7981 switching regulator in a QFN package.

The L7981 features an embedded power

MOSFET and is capable of delivering up to 3 A of

current to the load, depending on the application

conditions.

The input voltage can range from 4.5 V to 28 V,

while the output voltage can be set from 0.6 V to

Requiring a minimum number of external

components, the device includes an internal 250

kHz switching frequency oscillator that can be

externally adjusted up to 1 MHz.

December 2011

For further information contact your local STMicroelectronics sales office.

3 A DC output current

4.5 V to 28 V input voltage

Output voltage adjustable from 0.6 V

250 kHz switching frequency, programmable

up to 1 MHz

Internal soft-start and enable

Low dropout operation: 100% duty cycle

Voltage feed-forward

Zero load current operation

Overcurrent and thermal protection

RoHS compliant

3 A step-down switching power supply demonstration board

Doc ID 022618 Rev 1

based on the L7981 (QFN)

STEVAL-ISA093V1

www.st.com

Data brief

1/4

Related parts for STEVAL-ISA093V1

STEVAL-ISA093V1 Summary of contents

Page 1

... Overcurrent and thermal protection ■ RoHS compliant Description The STEVAL-ISA093V1 is a step-down switching power supply based on STMicroelectronics’ L7981 switching regulator in a QFN package. The L7981 features an embedded power MOSFET and is capable of delivering current to the load, depending on the application conditions ...

Page 2

... Schematic diagram 1 Schematic diagram Figure 1. STEVAL-ISA093V1 circuit schematic 2/4 Doc ID 022618 Rev 1 STEVAL-ISA093V1 ...

Page 3

... STEVAL-ISA093V1 2 Revision history Table 1. Document revision history Date 23-Dec-2011 Revision 1 Initial release. Doc ID 022618 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 022618 Rev 1 STEVAL-ISA093V1 ...

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