STEVAL-ISA092V1 STMICROELECTRONICS [STMicroelectronics], STEVAL-ISA092V1 Datasheet

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STEVAL-ISA092V1

Manufacturer Part Number
STEVAL-ISA092V1
Description
2 A step-down switching demonstration board based on the L7980
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.STEVAL-ISA092V1.pdf (4 pages)

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Bonase Electronics (HK) Co., Limited Bonase Electronics (HK) Co., Limited
Part Number:
STEVAL-ISA092V1
Manufacturer:
STMicroelectronics
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Part Number:
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Features
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Description
The STEVAL-ISA092V1 is a step-down switching
power supply based on the L7980 in a QFN
package.
The L7980 is a step-down switching regulator with
embedded Power MOSFET, so it is able to deliver
up to 2 A 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 starting from
0.6 V to V
Requiring a minimum set 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.
2 A DC output current
4.5 V to 28 V input voltage
Output voltage: 3.3 V (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
IN
.
switching demonstration board based on the L7980
Doc ID 022620 Rev 1
STEVAL-ISA092V1
STEVAL-ISA092V1
2 A step-down
www.st.com
Data brief
1/4
4

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STEVAL-ISA092V1 Summary of contents

Page 1

... Overcurrent and thermal protection ■ RoHS compliant Description The STEVAL-ISA092V1 is a step-down switching power supply based on the L7980 in a QFN package. The L7980 is a step-down switching regulator with embedded Power MOSFET able to deliver current to the load depending on the application conditions ...

Page 2

... Circuit schematic 1 Circuit schematic Figure 1. Circuit schematic 2/4 Doc ID 022620 Rev 1 STEVAL-ISA092V1 ...

Page 3

... STEVAL-ISA092V1 2 Revision history Table 1. Document revision history Date 21-Dec-2011 Revision 1 Initial release. Doc ID 022620 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 022620 Rev 1 STEVAL-ISA092V1 ...

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