UVLO1

Comp

+

-

+

-

Thermal

Shutdown

2.5V

+

-

Current

Sense

Reference

Vref

Vref

ENA_1

10kW

ENA_1

120ms

Delay

0.95xVref

VSENSE1

0.95xVref

VSENSE2

RisingEdge

Deglitch

ENA_1

ENA_2

Current

Sense

+

-

ENA_2

ENA_2

FB2

Vref

VIN1(2Pins)

GND

EN1

EN2

VIN2 (2Pins)

VSENSE1

(seeNoteA)

PG1

MR

RESET

VSENSE2

(seeNoteA)

VIN1

PG1

Comp

RisingEdge

Deglitch

PG2

PG2

Comp

VOUT1 (2Pins)

VOUT2 (2Pins)

2.5V

UVLO2

Comp

+

-

+

-

10kW

TPS70445, TPS70448

TPS70451, TPS70458

TPS70402

www.ti.com

SLVS307F – SEPTEMBER 2000 – REVISED APRIL 2010

DEVICE INFORMATION

Fixed Voltage Version

A.

For most applications, VSENSE1 and VSENSE2 should be externally connected to VOUT1 and VOUT2, respectively, as

close as possible to the device. For other implementations, refer to SENSE terminal connection discussion in the

Application Information section.

Copyright © 2000–2010, Texas Instruments Incorporated

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