TPS61253_16 datasheet(7/35 Pages) TI1

7 / 35 page

TPS61253, TPS61254, TPS61256, TPS61258, TPS61259, TPS612592

www.ti.com

SLVSAG8F – SEPTEMBER 2011 – REVISED MARCH 2016

Product Folder Links: TPS61253 TPS61254 TPS61256 TPS61258 TPS61259 TPS612592

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Electrical Characteristics (continued)

Minimum and maximum values are at VIN = 2.3V to 5.5V, EN = 1.8V, TA = –40°C to 85°C; Circuit of Parameter Measurement

Information section (unless otherwise noted). Typical values are at VIN = 3.6V, EN = 1.8V, TA = 25°C (unless otherwise

noted).

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

POWER SWITCH

rDS(on)

High-side MOSFET on resistance

170

Ω

Low-side MOSFET on resistance

100

Ilkg

Reverse leakage current into VOUT

EN = GND, BP = GND

3.5

µA

ILIM

Switch valley current limit

TPS61253

TPS61258

TPS61259

TPS612592

EN = VIN, BP = GND. Open Loop

3300

3620

3900

TPS61254

TPS61256

TPS61257

EN = VIN, BP = GND. Open Loop

1900

2150

2400

Pre-charge mode current limit

(linear mode)

EN = GND, BP = VIN

165

215

265

Overtemperature protection

140

°C

Overtemperature hysteresis

°C

OSCILLATOR

fOSC

Oscillator frequency

VIN = 3.6V VOUT = 4.5V

3.5

MHz

TIMING

Start-up time

TPS6125x

BP = GND, IOUT = 0mA.

Time from active EN to start switching

µs

TPS61253

TPS61254

TPS61256

TPS61258

TPS61259

TPS612592

BP = GND, IOUT = 0mA.

Time from active EN to VOUT

400

µs

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