STEVAL-ISA052V1 STMicroelectronics, STEVAL-ISA052V1 Datasheet

STEVAL-ISA052V1

Manufacturer Part Number

STEVAL-ISA052V1

Description

KIT EVAL PM6675S HE CTLR 2A REG

Manufacturer

STMicroelectronics

Datasheets

1.PM6675STR.pdf (53 pages)

2.STEVAL-ISA052V1.pdf (4 pages)

Specifications of STEVAL-ISA052V1

Main Purpose

DC/DC, Step Down with LDO

Outputs And Type

2, Non-Isolated

Voltage - Output

1.5V, 0.6 ~ 3.3V

Current - Output

10A, 2A

Voltage - Input

4.5 ~ 28 V

Regulator Topology

Buck

Board Type

Fully Populated

Utilized Ic / Part

PM6675

Product

Power Management Modules

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Power - Output

Frequency - Switching

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

Other names

497-8426

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

STEVAL-ISA052V1

Manufacturer:

STMicroelectronics

Quantity:

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Features

■

Description

The STEVAL-ISA052V1 demonstration board is

based on the PM6675S device which consists of

a single high efficiency step-down controller and

an independent low drop-out (LDO) linear

regulator.

The constant on-time (COT) architecture assures

fast transient response supporting both

electrolytic and ceramic output capacitors. An

embedded integrator control loop compensates

the DC voltage error due to the output ripple.

Selectable low-consumption mode allows the

highest efficiency over a wide range of load

conditions. The low-noise mode sets the minimum

switching frequency to 33 kHz for audio-sensitive

November 2010

For further information contact your local STMicroelectronics sales office.

4.5 V to 28 V input voltage range

0.6 V, ±1 % voltage reference

1.5 V fixed output voltage

0.6 V to 3.3 V adjustable output voltage

1.237 V ±1 % reference voltage available

Very fast load transient response constant on-

time loop control

No-RSENSE current sensing using low-side

MOSFETs’ R

Negative current limit

Latched OVP, UVP and thermal shutdown

Fixed 3 ms soft-start

Selectable pulse-skipping at light load

Selectable no-audible (33 kHz) pulse-skip

mode

All ceramic output capacitors application

supported

Output voltage ripple compensation

Output soft-end

RoHS compliant

High efficiency step-down controller with embedded 2 A LDO

DS(on)

regulator demonstration board based on the PM6675S

Doc ID 18215 Rev 1

applications. The LDO linear regulator can sink

and source up to 2 Apk. Two fixed current limits

(±1 A and ±2 A) can be chosen.

An active soft-end is independently performed on

both the switching and the linear regulator outputs

when disabled.

STEVAL-ISA052V1

www.st.com

Data brief

1/4

Related parts for STEVAL-ISA052V1

STEVAL-ISA052V1 Summary of contents

Page 1

... Output voltage ripple compensation ■ Output soft-end ■ RoHS compliant Description The STEVAL-ISA052V1 demonstration board is based on the PM6675S device which consists of a single high efficiency step-down controller and an independent low drop-out (LDO) linear regulator. The constant on-time (COT) architecture assures fast transient response supporting both electrolytic and ceramic output capacitors ...

Page 2

... Circuit schematic 1 Circuit schematic Figure 1. Circuit schematic 2/4 Doc ID 18215 Rev 1 STEVAL-ISA052V1 ...

Page 3

... STEVAL-ISA052V1 2 Revision history Table 1. Document revision history Date 12-Nov-2010 Revision 1 Initial release. Doc ID 18215 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: © 2010 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com Doc ID 18215 Rev 1 STEVAL-ISA052V1 ...

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