PIFE32251B-R47MS datasheet(22/96 Pages) TI1

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TPS65094

SWCS133C – SEPTEMBER 2015 – REVISED FEBRUARY 2019

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Specifications

Electrical Characteristics: LDOs (continued)

over recommended input voltage range, TA = –40°C to +85°C and TA = 25°C for typical values (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

(1)

The minimum value must be equal to or greater than 1.62 V.

LDOA2

VIN

Power input voltage

VOUT +

VDROP

(1)

1.8

1.98

VOUT

DC output voltage in normal

operating mode

LDOA2_VID[3:0] = 0000 (TPS650944 default)

0.7

LDOA2_VID[3:0] = 0001

0.75

LDOA2_VID[3:0] = 0010

0.8

LDOA2_VID[3:0] = 0011

0.85

LDOA2_VID[3:0] = 0100

0.9

LDOA2_VID[3:0] = 0101

0.95

LDOA2_VID[3:0] = 0110

LDOA2_VID[3:0] = 0111

1.05

LDOA2_VID[3:0] = 1000

1.1

LDOA2_VID[3:0] = 1001

1.15

LDOA2_VID[3:0] = 1010 (TPS650940,

TPS650941, and TPS650942 default)

1.2

LDOA2_VID[3:0] = 1011

1.25

LDOA2_VID[3:0] = 1100

1.3

LDOA2_VID[3:0] = 1101

1.35

LDOA2_VID[3:0] = 1110

1.4

LDOA2_VID[3:0] = 1111

1.5

VOUT

DC output voltage accuracy

IOUT = 0 to 600 mA

–2%

IOUT

DC output current

600

VDROP

Dropout voltage

VOUT = 0.99 × VOUT_NOM,

IOUT = 600 mA

350

ΔVOUT/ΔVIN

Line regulation

IOUT = 300 mA

–0.5%

0.5%

ΔVOUT/ΔIOUT

Load regulation

IOUT = 10 mA to 600 mA

–2%

IOCP

Overcurrent protection

Measured with output shorted to ground

0.65

1.25

VTH_PG

Power Good assertion threshold

in percentage of target VOUT

VOUT rising

108%

VOUT falling

92%

VTH_HYS_PG

Power Good deassertion

hysteresis

VOUT falling

Quiescent current

IOUT = 0 A

µA

PSRR

Power supply rejection ratio

f = 1 kHz, VIN = 1.8 V, VOUT = 1.2 V,

IOUT = 300 mA,

COUT = 2.2 µF to 4.7 µF

f = 10 kHz, VIN = 1.8 V, VOUT = 1.2 V,

IOUT = 300 mA,

COUT = 2.2 µF to 4.7 µF

COUT

External output capacitance

2.2

4.7

µF

ESR

100

mΩ

RDIS

Output auto-discharge resistance

LDOA2_DIS[1:0] = 01

LDOA2_DIS[1:0] = 10

180

LDOA2_DIS[1:0] = 11

475

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