TPS61040

TPS61041

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SLVS413F – OCTOBER 2002 – REVISED DECEMBER 2010

RECOMMENDED OPERATING CONDITIONS

MIN

TYP

MAX

UNIT

Input voltage range

1.8

6

V

Output voltage range

28

V

L

2.2

10

mH

f

1

MHz

4.7

mF

1

mF

Operating ambient temperature

–40

85

°C

Operating junction temperature

–40

125

°C

(1)

See application section for further information.

ELECTRICAL CHARACTERISTICS

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

SUPPLY CURRENT

Input voltage range

1.8

6

V

Operating quiescent current

28

50

mA

Shutdown current

EN = GND

0.1

1

mA

Under-voltage lockout threshold

1.5

1.7

V

ENABLE

EN high level input voltage

1.3

V

EN low level input voltage

0.4

V

EN input leakage current

0.1

1

mA

POWER SWITCH AND CURRENT LIMIT

Vsw

Maximum switch voltage

30

V

Minimum off time

250

400

550

ns

Maximum on time

4

6

7.5

ms

MOSFET on-resistance

600

1000

m

Ω

MOSFET on-resistance

750

1250

m

Ω

MOSFET leakage current

1

10

mA

MOSFET current limit

TPS61040

350

400

450

mA

MOSFET current limit

TPS61041

215

250

285

mA

OUTPUT

Adjustable output voltage range

28

V

Internal voltage reference

1.233

V

Feedback input bias current

1

mA

Feedback trip point voltage

1.8 V

1.208

1.233

1.258

V

1.8 V

0.05

%/V

0.15

%/mA

(1)

The line and load regulation depend on the external component selection. See the application section for further information.

Copyright © 2002–2010, Texas Instruments Incorporated

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