STEVAL-ISA069V1 STMICROELECTRONICS [STMicroelectronics], STEVAL-ISA069V1 Datasheet

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STEVAL-ISA069V1

Manufacturer Part Number
STEVAL-ISA069V1
Description
3 A / 1.5 MHz step-down synchronous switching regulator based on the ST1S31 in DFN 3x3 package
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.STEVAL-ISA069V1.pdf (4 pages)

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Company:
Bonase Electronics (HK) Co., Limited Bonase Electronics (HK) Co., Limited
Part Number:
STEVAL-ISA069V1
Manufacturer:
STMicroelectronics
Quantity:
1
3 A / 1.5 MHz step-down synchronous switching regulator based on
Features
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Description
The STEVAL-ISA069V1 demonstration board is
based on the ST1S31, which is 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 Vin.
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
From 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 capacitors
Power Good (POR)
Cycle-by-cycle current limiting
Current foldback short-circuit protection
RoHS compliant
Doc ID 022882 Rev 1
the ST1S31 in DFN 3x3 package
STEVAL-ISA069V1
Data brief
www.st.com
1/4
4

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STEVAL-ISA069V1 Summary of contents

Page 1

... Cycle-by-cycle current limiting ■ Current foldback short-circuit protection ■ RoHS compliant Description The STEVAL-ISA069V1 demonstration board is based on the ST1S31, which is 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 up to Vin ...

Page 2

Schematic diagram 1 Schematic diagram Figure 1. Schematic diagram 2/4 Doc ID 022882 Rev 1 Document header RPN(s) ...

Page 3

Document header RPN(s) 2 Revision history Table 1. Document revision history Date 06-Apr-2012 Revision 1 Initial release. Doc ID 022882 Rev 1 Revision history Changes 3/4 ...

Page 4

Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any ...

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