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ELECTRICAL CHARACTERISTICS

TPS61020

,, TPS61024,, TPS61025

TPS61026, TPS61027, TPS61028

TPS61029

SLVS451D – SEPTEMBER 2003 – REVISED FEBRUARY 2006

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

Minimum input voltage for start-up

0.9

1.2

V

Input voltage range, after start-up (TPS61020,

0.9

6.5

V

TPS61024, TPS61025, TPS61027, TPS61028)

Input voltage range, after start-up (TPS61026,

0.9

5.5

V

TPS61029)

TPS61020, TPS61028 and TPS61029 output

1.8

5.5

V

voltage range

TPS61020, TPS61028 and TPS61029 feedback

490

500

510

mV

voltage

f

Oscillator frequency

480

600

720

kHz

Switch current limit (TPS61020, TPS61024,

VOUT= 3.3 V

1200

1500

1800

mA

TPS61025, TPS61027)

Switch current limit (TPS61028)

VOUT= 3.3 V

800

mA

Switch current limit (TPS61026, TPS61029)

VOUT= 3.3 V

1500

1800

2100

mA

Start-up current limit

mA

SWN switch on resistance

VOUT= 3.3 V

260

m

Ω

SWP switch on resistance

VOUT= 3.3 V

290

m

Ω

Total accuracy (including line and load regulation)

±3%

Line regulation

0.6%

Load regulation

0.6%

VBAT

1

3

µA

Quiescent current

VOUT

25

45

µA

Shutdown current

0.1

1

µA

CONTROL STAGE

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

0.8

V

LBI voltage threshold

490

500

510

mV

LBI input hysteresis

10

mV

LBI input current

EN = VBAT or GND

0.01

0.1

µA

LBO output low voltage

0.04

0.4

V

LBO output leakage current

0.01

0.1

µA

EN, PS input low voltage

0.2

× VBAT

V

EN, PS input high voltage

0.8

× VBAT

V

EN, PS input current

Clamped on GND or VBAT

0.01

0.1

µA

Overtemperature protection

140

°C

Overtemperature hysteresis

20

°C

3

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