TPS2145, TPS2147

TPS2155, TPS2157

SLVS333 − AUGUST 2001

2

www.ti.com

AVAILABLE OPTIONS

PACKAGE

PACKAGED DEVICES

TA

DESCRIPTION

PACKAGE

AND PIN

COUNT

ACTIVE LOW

(SWITCH)

ACTIVE HIGH

(SWITCH)

Adjustable LDO with LDO enable

TSSOP-14

TPS2145IPWP

TPS2155IPWP

3.3-V fixed LDO

MSOP-10

TPS2147IDGQ

TPS2157IDGQ

−40

°C to 85°C

3.3-V Fixed LDO with LDO enable and LDO output

switch

MSOP-8

TPS2148IDGN

TPS2158IDGN

3.3-V Fixed LDO, shared input with switches

MSOP-8

TPS2149IDGN

TPS2159IDGN

NOTE: All options available taped and reeled. Add an R suffix (e.g. TPS2145IPWPR)

1

2

3

4

5

6

7

14

13

12

11

10

9

8

OUT1

VIN/SWIN1

SWIN2

LDO_OUT

OUT2

NC

LDO_ADJ

OC1

OC2

LDO_EN

NC

GND

TPS2145, TPS2155

TSSOP (PWP) PACKAGE

(TOP VIEW)

1

2

3

4

5

10

9

8

7

6

OUT1

VIN/SWIN1

SWIN2

LDO_OUT

OUT2

OC1

OC2

GND

TPS2147, TPS2157

MSOP (DGQ) PACKAGE

(TOP VIEW)

† Pin 9 and 10 are active high for TPS2157.

NC − No internal connection

† Pin 13 and 14 are active high for TPS2155.

−0.3 V to 6 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

−0.3 V to 6 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

±10 mA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Internally limited

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Continuous total power dissipation

See Dissipation Rating Table

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

−40

°C to 110°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

−65

°C to 150°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Lead temperature soldering 1,6 mm (1/16 inch) from case for 10 seconds

260

°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Electrostatic discharge (ESD) protection: Human body model

2 kV

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Charged device model (CDM)

1 kV

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and

functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not

implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

‡ All voltages are with respect to GND.

DISSIPATION RATING TABLE

PACKAGE

TA ≤ 25°C

POWER RATING

DERATING FACTOR

ABOVE TA = 25°C

TA = 70°C

POWER RATING

TA = 85°C

POWER RATING

MSOP10

1293.1 mW

17.2 mW/

°C

517.2 mW

258.6 mW

PWP14

2000 mW

26.6 mW/

°C

800 mW

400 mW