TPS63030

TPS63031

www.ti.com

SLVS696B – OCTOBER 2008 – REVISED MARCH 2012

ELECTRICAL CHARACTERISTICS

over recommended free-air temperature range and over recommended input voltage range (typical at an ambient temperature

range of 25°C) (unless otherwise noted)

DC/DC STAGE

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Input voltage range

1.8

5.5

V

Minimum input voltage for startup

0°C

1.6

1.8

1.9

V

Minimum input voltage for startup

1.6

1.8

2.0

V

TPS63030 output voltage range

1.2

5.5

V

Minimum duty cycle in step down conversion

30%

40%

TPS63030 feedback voltage

495

500

505

mV

TPS63031 output voltage

3.267

3.3

3.333

V

TPS63030 feedback voltage

PS/SYNC = GND Referenced to 500mV

-3%

+6%

TPS63031 output voltage

PS/SYNC = GND Referenced to 3.3V

-3%

+6%

f

Oscillator frequency

2200

2400

2600

kHz

Frequency range for synchronization

2200

2400

2600

kHz

Average switch current limit

900

1000

1100

mA

High side switch on resistance

200

m

Ω

Low side switch on resistance

200

m

Ω

Maximum line regulation

0.5%

Maximum load regulation

0.5%

VIN and VINA

25

35

μA

Quiescent

current

VOUT

4

6

μA

TPS63031 FB input impedance

1

M

Ω

Shutdown current

0.1

0.9

μA

CONTROL STAGE

1.4

1.5

1.6

V

EN, PS/SYNC input low voltage

0.4

V

EN, PS/SYNC input high voltage

1.2

V

EN, PS/SYNC input current

Clamped on GND or VINA

0.01

0.1

μA

Overtemperature protection

140

°C

Overtemperature hysteresis

20

°C

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