TPS650250RHBR datasheet(4/35 Pages) TI

Part #	TPS650250RHBR

Description	Power Management IC for Li-Ion Powered Systems

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Manufacturer	TI [Texas Instruments]

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ELECTRICAL CHARACTERISTICS

TPS650250

SLVS843 – DECEMBER 2008 ........................................................................................................................................................................................... www.ti.com

VINDCDC1 = VINDCDC2 = VINDCDC3 = VCC = VINLDO = 3.6V, TA = –40°C to 85°C, typical values are at TA = 25°C

(unless otherwise noted)

CONTROL SIGNALS: EN_DCDC1, EN_DCDC2, EN_DCDC3, EN_LDO, MODE, EN_VDD_ALIVE

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

High level input

VIH

1.45

VCC

V

voltage

Low level input

VIL

0

0.4

V

voltage

IH

Input bias current

0.01

0.1

µA

SUPPLY PINS: VCC, VINDCDC1, VINDCDC2, VINDCDC3

PFM All 3 DCDC converters enabled, zero load

135

170

and no switching, LDOs enabled

PFM All 3 DCDC converters enabled, zero load

and no switching, LDO1, LDO2 = OFF, Vdd_alive

75

100

= ON

Operating quiescent

I(qPFM)

VCC = 3.6V

µA

current

PFM DCDC1 and DCDC2 converters enabled,

zero load and no switching, LDO1, LDO2 = OFF,

55

80

Vdd_alive = ON

PFM DCDC1 converter enabled, zero load and no

40

60

switching, LDO1, LDO2 = OFF, Vdd_alive = ON

All 3 DCDC converters enabled & running in PWM,

2

LDOs off

Current into VCC;

PWM DCDC1 and DCDC2 converters enabled and

1.5

2.5

IVCC(PWM)

VCC = 3.6V

mA

PWM

running in PWM, LDOs off

PWM DCDC1 converter enabled and running in

0.85

2

PWM, LDOs off

All converters disabled, LDO1, LDO2 = OFF,

16

Vdd_alive = OFF

Iq

Quiescent current

VCC = 3.6V

µA

All converters disabled, LDO1, LDO2 = OFF,

26

Vdd_alive = ON

4

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