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ELECTRICAL CHARACTERISTICS

TPS62020

TPS62021

TPS62026

SLVS076C – JUNE 2003 – REVISED DECEMBER 2004

V

(1)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

SUPPLY CURRENT

Input voltage range

2.5

6.0

V

Operating quiescent current

18

35

µA

Shutdown supply current

EN = GND

0.1

1

µA

Under-voltage lockout threshold

1.5

2.3

V

ENABLE AND MODE

EN high level input voltage

1.4

V

EN low level input voltage

0.4

V

EN input bias current

EN = GND or VIN

0.01

1.0

µA

MODE high level input voltage

1.4

V

MODE low level input voltage

0.4

V

MODE input bias current

MODE = GND or VIN

0.01

1.0

µA

POWER SWITCH

P-channel MOSFET on-resistance

115

210

m

Ω

P-channel MOSFET on-resistance

145

270

m

Ω

P-channel leakage current

1

µA

N-channel MOSFET on-resistance

85

200

m

Ω

N-channel MOSFET on-resistance

115

280

m

Ω

N-channel leakage current

1

µA

P-channel current limit

0.9

1.1

1.3

A

Thermal shutdown

150

°C

OSCILLATOR

1

1.25

1.5

MHz

Oscillator frequency

625

kHz

OUTPUT

Adjustable output

TPS62020,

0.7

V

voltage range

TPS62021

Reference voltage

0.5

V

TPS62020,

0%

3%

Feedback voltage

TPS62021

V

–3%

3%

Adjustable

0%

3%

Fixed output voltage

TPS62026 3.3 V

V

–3%

3%

0

%/V

mA

0

%/mA

Leakage current into SW pin

0.1

1

µA

Reverse leakage current into pin SW

0.1

1

µA

f

Short circuit switching frequency

625

kHz

(1)

The line and load regulations are digitally controlled to assure an output voltage accuracy of

±3%.

3