TPS65073RSLT datasheet(7/93 Pages) TI

Part #	TPS65073RSLT

Description	Single Chip Power Solution for Battery Powered Systems

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Manufacturer	TI [Texas Instruments]

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TPS65070, TPS65072, TPS65073

TPS650731, TPS650732

www.ti.com

SLVS950B – JULY 2009 – REVISED DECEMBER 2009

DCDC3 CONVERTER (continued)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Internal resistor divider, I2C

Fixed output voltage range

0.725

3.3

V

selectable (Default setting)

For DEFDCDC3 = LOW

1.0

Default output voltage for TPS65070

For DEFDCDC3 = HIGH

1.2

For DEFDCDC3 = LOW

1.2

Default output voltage for TPS65072

V

Vout

For DEFDCDC3 = HIGH

1.4

For DEFDCDC3 = LOW

1.2

Default output voltage for TPS65073, TPS650731, TPS650732

For DEFDCDC3 = HIGH

1.35

DC output voltage accuracy; PFM mode (1)

–2%

3%

VINDCDC3 = 2.8 V to 6.3 V;

0 mA

≤ IO ≤ 1.5 A

DC output voltage accuracy; PWM mode (1)

–1.5%

1.5%

Vout

DC output voltage accuracy with resistor divider at DEFDCDC3; PFM

–2%

3%

VINDCDC3 = VDCDC3 +0.3 V (min

2.8 V) to 6.3 V; 0 mA

≤ IO ≤ 1.5A

Vout

DC output voltage accuracy with resistor divider at DEFDCDC3; PWM

–1%

1%

ΔVOUT

Power save mode ripple voltage

IOUT = 1 mA, PFM mode

(2)

40

mVpp

Time from active EN to Start

tStart

Start-up time

170

μs

switching

Time to ramp from 5% to 95% of

tRamp

VOUT ramp up time

250

μs

VOUT

Vo -

power good threshold

rising voltage

5%

Vo -

power good threshold

falling voltage

10%

RDIS

Internal discharge resistor at L3

–35%

250

35%

Ω

(1)

Output voltage specification does not include tolerance of external voltage programming resistors. Output voltage in PFM mode is

scaled to +1% of nominal value.

(2)

Configuration L= 2.2

μH, COUT = 10 μF

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Product Folder Link(s): TPS65070 TPS65072 TPS65073 TPS650731, TPS650732

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