TPS65023-Q1 datasheet(3/53 Pages) TI1

Part #	TPS65023-Q1

Description	POWER MANAGEMENT IC FOR LI-ION POWERED SYSTEMS

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Manufacturer	TI1 [Texas Instruments]

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TPS65023-Q1

www.ti.com

SLVS927D

– MARCH 2009 – REVISED SEPTEMBER 2011

RECOMMENDED OPERATING CONDITIONS

over operating free-air temperature range (unless otherwise noted)

MIN

NOM

MAX

UNIT

Input voltage range step-down converters

VCC

2.5

6

V

(VINDCDC1, VINDCDC2, VINDCDC3)

Output voltage range for VDCDC1 step-down converter(1)

0.6

VINDCDC1

VO

Output voltage range for VDCDC2 step-down converter(1)

0.6

VINDCDC2

V

Output voltage range for VDCDC3 step-down converter(1)

0.6

VINDCDC3

VI

Input voltage range for LDOs (VINLDO1, VINLDO2)

1.5

6.5

V

VO

Output voltage range for LDOs (VLDO1, VLDO2)

1

VINLDO1-2

V

IO(DCDC1)

Output current at L1

1500

mA

Inductor at L1(2)

1.5

2.2

μH

CI(DCDC1)

Input capacitor at VINDCDC1 (2)

10

μF

CO(DCDC1)

Output capacitor at VDCDC1 (2)

10

22

μF

IO(DCDC2)

Output current at L2

1200

mA

Inductor at L2 (2)

1.5

2.2

μH

CI(DCDC2)

Input capacitor at VINDCDC2 (2)

10

μF

CO(DCDC2)

Output capacitor at VDCDC2 (2)

10

22

μF

IO(DCDC3)

Output current at L3

1000

mA

Inductor at L3 (2)

1.5

2.2

μH

CI(DCDC3)

Input capacitor at VINDCDC3(2)

10

μF

CO(DCDC3)

Output capacitor at VDCDC3 (2)

10

22

μF

CI(VCC)

Input capacitor at VCC (2)

1

μF

Ci(VINLDO)

Input capacitor at VINLDO (2)

1

μF

CO(VLDO1-2)

Output capacitor at VLDO1, VLDO2 (2)

2.2

μF

IO(VLDO1-2)

Output current at VLDO1, VLDO2

200

mA

CO(VRTC)

Output capacitor at VRTC (2)

4.7

μF

TA

Operating ambient temperature

–40

125

°C

TJ

Operating junction temperature

–40

125

°C

Resistor from VINDCDC3, VINDCDC2, VINDCDC1 to VCC used for filtering(3)

1

10

Ω

(1)

When using an external resistor divider at DEFDCDC3, DEFDCDC2, DEFDCDC1

(2)

See Applications Information section for more information.

(3)

Up to 3 mA can flow into VCC when all three converters are running in PWM. This resistor causes the UVLO threshold to be shifted

accordingly.

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