TPS61253_15 datasheet(6/33 Pages) TI

6 / 33 page

TPS61253, TPS61254, TPS61256, TPS61258, TPS61259

SLVSAG8E – SEPTEMBER 2011 – REVISED MARCH 2015

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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

OUTPUT

2.3V

≤ VIN ≤ 4.85V, IOUT = 0mA

4.92

5.08

PWM operation. Open Loop

3.3V

≤ VIN ≤ 4.85V, 0mA ≤ IOUT ≤ 1000mA

4.85

5.2

PFM/PWM operation

Regulated DC output voltage

TPS61253

3.3V

≤ VIN ≤ 4.85V, 0mA ≤ IOUT ≤ 1500mA

PFM/PWM operation

4.75

5.2

Pulsed load test; Pulse width

≤ 20ms;

Duty cycle

≤ 10%

2.3V

≤ VIN ≤ 4.35V, IOUT = 0mA

4.43

4.5

4.57

PWM operation. Open Loop

Regulated DC output voltage

TPS61254

2.65V

≤ VIN ≤ 4.35V, 0mA ≤ IOUT ≤ 800mA

4.4

4.5

4.65

PFM/PWM operation

2.3V

≤ VIN ≤ 4.85V, IOUT = 0mA

4.92

5.08

PWM operation. Open Loop

Regulated DC output voltage

TPS61256

2.65V

≤ VIN ≤ 4.85V, 0mA ≤ IOUT ≤ 700mA

4.9

5.2

PFM/PWM operation

VOUT

2.3V

≤ VIN ≤ 4.15V, IOUT = 0mA

4.23

4.3

4.37

PWM operation. Open loop.

Regulated DC output voltage

TPS61257

2.65V

≤ VIN ≤ 4.15V, 0mA ≤ IOUT ≤ 800mA

4.2

4.3

4.45

PFM/PWM operation

2.3V

≤ VIN ≤ 4.35V, IOUT = 0mA

4.43

4.5

4.57

PWM operation. Open Loop

3.3V

≤ VIN ≤ 4.35V, 0mA ≤ IOUT ≤ 1500mA

Regulated DC output voltage

TPS61258

PFM/PWM operation

4.3

4.5

4.65

Pulsed load test; Pulse width

≤ 20ms;

Duty cycle

≤ 10%

2.3V

≤ VIN ≤ 4.85V, IOUT = 0mA

5.02

5.1

5.18

PWM operation. Open Loop

3.4V

≤ VIN ≤ 4.85V, 0mA ≤ IOUT ≤ 1500mA

Regulated DC output voltage

TPS61259

PFM/PWM operation

4.75

5.1

5.3

Pulsed load test; Pulse width

≤ 20ms;

Duty cycle

≤ 10%

Power-save mode output ripple

PFM operation, IOUT = 1mA

voltage

TPS61254

Standby mode output ripple

mVpk

EN = GND, BP = VIN, IOUT = 0mA

TPS61258

voltage

ΔVOUT

PWM mode output ripple voltage

PWM operation, IOUT = 200mA

Power-save mode output ripple

PFM operation, IOUT = 1mA

TPS61253

voltage

TPS61256

mVpk

Standby mode output ripple

TPS61259

EN = GND, BP = VIN, IOUT = 0mA

voltage

POWER SWITCH

High-side MOSFET on resistance

170

rDS(on)

Ω

Low-side MOSFET on resistance

100

Ilkg

Reverse leakage current into VOUT

EN = GND, BP = GND

3.5

µA

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