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VIN

COMP

GND

EN

ENR

C1+

C1−

DRV

FB2

REF

FB4

BASE

SW

SW

FB1

SUP

C2+

C2−/MODE

OUT3

FB3

PG

PGND

PGND

GND

TPS65140

D1

System Power

Good

Q1

BCP68

D2

D3

R3

R4

R5

R6

C5

R2

R1

2.7 V to 5.8 V

C3

22

µF

C13

10 nF

L1

4.2

µH

C1

0.22

µF

C12

0.22

µF

C6

0.22

µF

C11

100 nF

C9

1

µF

3.3 V

C9

4.7

µF

C1

0.22

µF

C4

22

µF

C7

0.22

µF

R7

33 k

Ω

Up to 30 V/20 mA

Up to 15 V/350 mA

Up to 12 V/20 mA

TPS65140

TPS65145

SLVS497B – SEPTEMBER 2003 – REVISED MARCH 2004

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam

during storage or handling to prevent electrostatic damage to the MOS gates.

TYPICAL APPLICATION CIRCUIT

ORDERING INFORMATION

LINEAR REGULATOR

MINIMUM SWITCH

PACKAGE

OUTPUT VOLTAGE

CURRENT LIMIT

TSSOP

QFN

MARKING

3.3 V

1.6 A

TPS65140PWP

TPS65140RGE

TPS65140

-40

°C to 85°C

3.3 V

0.96 A

TPS65145PWP

TPS65145RGE

TPS65145

(1)

The PWP and RGE packages are available taped and reeled. Add an R suffix to the device type (TPS65100PWPR) to order the device

taped and reeled. The PWPR package has quantities of 2000 devices per reel, and the the RGER package has 3000 devices per reel.

Without the suffix, the PWP package only, is shipped in tubes with 60 devices per tube.

2