TPS65073TRSLRQ1 datasheet(6/90 Pages) TI1

Part #	TPS65073TRSLRQ1

Description	Single Chip Power Solution for Battery Powered Systems

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Manufacturer	TI1 [Texas Instruments]

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6 / 90 page

TPS65070-Q1, TPS65072-Q1, TPS65073-Q1, TPS650732-Q1

SLVSAP7 – JANUARY 2011

www.ti.com

DCDC2 CONVERTER (continued)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

For DEFDCDC2 = LOW

1.8

Default output voltage for TPS65070, TPS650732

For DEFDCDC2 = HIGH

3.3

For DEFDCDC2 = LOW

1.8

Vout

Default output voltage for TPS65072

V

For DEFDCDC2 = HIGH

2.5

For DEFDCDC2 = LOW

1.2

Default output voltage for TPS65073, TPS650731

For DEFDCDC2 = HIGH

1.8

DC output voltage accuracy; PFM mode (1)

–2%

3%

VINDCDC2 = 2.8 V to 6.3 V;

–1.5

0 mA

≤ IO ≤ 1.5 A

DC output voltage accuracy; PWM mode (1)

1.5%

%

Vout

DC output voltage accuracy with resistor divider at DEFDCDC2; PFM

–2%

3%

VINDCDC2 = VDCDC2 +0.3 V (min

2.8 V) to 6.3 V; 0 mA

≤ IO ≤ 1.5A

DC output voltage accuracy with resistor divider at DEFDCDC2; 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

ms

switching

Time to ramp from 5% to 95% of

tRamp

VOUT ramp up time

250

ms

VOUT

Vo -

power good threshold

rising voltage

5%

Vo -

power good threshold

falling voltage

10%

RDIS

Internal discharge resistor at L2

–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 mH, COUT = 10 mF

DCDC3 CONVERTER

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VVINDCDC

Input voltage range

Connected to SYS pin

2.8

6.3

V

3

TPS65072

600

IO

Maximum output current

Vin > 2.8 V

mA

TPS65070, TPS65073, TPS650731,

1500

TPS650732

VINDCDC3 = 2.8 V

150

300

RDS(ON)

High side MOSFET on-resistance

m

Ω

VINDCDC3 = 3.5 V

120

200

ILH

High side MOSFET leakage current

VINDCDC3 = 6.3 V

2

mA

VINDCDC3 = 2.8 V

200

300

RDS(ON)

Low side MOSFET on-resistance

m

Ω

VINDCDC3 = 3.5 V

160

180

ILL

Low side MOSFET leakage current

VDS = 6.3 V

1

mA

TPS65072

0.8

1.1

1.5

ILIMF

Forward current limit

2.8 V < VINDCDC3 < 6.3 V

A

TPS65070/73/731/732

2.1

2.4

3.5

fS

Oscillator frequency

1.95

2.35

2.55

MHz

Vout

Adjustable output voltage range

External resistor divider

0.6

Vin

V

Vref

Reference voltage

600

mV

Internal resistor divider, I2C

Vout

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

Vout

Default output voltage for TPS65072

V

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;

Vout

0 mA

≤ IO ≤ 1.5 A

DC output voltage accuracy; PWM mode (1)

–1.5%

1.5%

(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.

6

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Product Folder Link(s) :TPS65070-Q1 TPS65072-Q1 TPS65073-Q1 TPS650732-Q1

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