TPS65058RGERG4 datasheet(3/26 Pages) TI

No. de pieza	TPS65058RGERG4

Descripción Electrónicos	2.25 MHz Dual STEP DOWN CONVERTER WITH 3 LOW-INPUT VOLTAGE LDOs

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Fabricante Electrónico	TI [Texas Instruments]

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RECOMMENDED OPERATING CONDITIONS

TPS65058

www.ti.com................................................................................................................................................... SLVS851A – MAY 2008 – REVISED SEPTEMBER 2008

MIN

NOM

MAX

UNIT

VINDCDC1/2

Input voltage range for step-down converters

2.5

6

V

VDCDC1

Output voltage range for VDCDC1 step-down converter

3.3

V

VDCDC2

Output voltage range for VDCDC2 step-down converter (DEF_DCDC2 = 1/0)

1.8/1.2

V

VINLDO1,

Input voltage range for LDOs

1.5

6.5

V

VINLDO2/3

VLDO1

Output voltage range for LDO1 (DEF_LDO = 1/0)

3.3/3.3

V

VLDO2

Output voltage range for LDO2 (DEF_LDO = 1/0)

1.8/1.2

V

VLDO3

Output voltage for LDO3 (DEF_LDO = 1/0)

1.8/1.3

V

IOUTDCDC1

Output current at L1

600

mA

L1

Inductor at L1(1)

1.5

2.2

µH

CINDCDC1/2

Input capacitor at VINDCDC1/2

(1)

22

µF

COUTDCDC1

Output capacitor at VDCDC1

(1)

10

22

µF

IOUTDCDC2

Output current at L2

1000

mA

L2

Inductor at L2(1)

1.5

2.2

µH

COUTDCDC2

Output capacitor at VDCDC2

(1)

10

22

µF

CVCC

Input capacitor at VCC(1)

1

µF

Cin1-2

Input capacitor at VINLDO1, VINLDO2/3 (1)

2.2

µF

COUT1-2

Output capacitor at VLDO1-3 (1)

2.2

µF

ILDO1

Output current at LDO1

400

mA

ILDO2

Output current at LDO2

230

mA

ILDO3

Output current at LDO3

200

mA

TA

Operating ambient temperature range

–40

85

°C

TJ

Operating junction temperature range

–40

125

°C

RCC

Resistor from battery voltage to VCC used for filtering

(2)

1

10

Ω

(1)

See the Application Information section of this data sheet for more details.

(2)

Up to 2 mA can flow into VCC when both converters are running in PWM, this resistor causes the UVLO threshold to be shifted

accordingly.

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