TPS70345PWPR datasheet(6/46 Pages) TI

Part #	TPS70345PWPR

Description	DUAL-OUTPUT, LOW DROPOUT VOLTAGE REGULATORS WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS

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Manufacturer	TI [Texas Instruments]

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TPS70345, TPS70348

TPS70351, TPS70358

TPS70302

SLVS285H – AUGUST 2000 – REVISED APRIL 2010

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ELECTRICAL CHARACTERISTICS (continued)

Over recommended operating junction temperature range (TJ = –40°C to +125°C), VIN1 or VIN2 = VOUTX(nom) + 1V, IOUTX = 1mA,

EN = 0V, COUT1 = 22mF, and COUT2 = 47mF (unless otherwise noted).

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

PG Terminal

Minimum input voltage for valid PG

I(PG) = 300 mA,

V(PG1) ≤ 0.8 V

1.0

1.3

V

Trip threshold voltage

VO decreasing

92

95

98

%VOUT

Hysteresis voltage

Measured at VO

0.5

%VOUT

tr(PG1)

Rising edge deglitch

30

ms

Output low voltage

VIN = 2.7 V,

I(PG) = 1 mA

0.15

0.4

V

Leakage current

V(PG1) = 6 V

1

mA

EN Terminal

High-level EN input voltage

2

V

Low-level EN input voltage

0.7

V

Input current (EN)

–1

1

mA

SEQ Terminal

High-level SEQ input voltage

2

V

Low-level SEQ input voltage

0.7

V

SEQ pull-up current source

6

mA

MR1/MR2 Terminal

High-level input voltage

2

V

Low-level input voltage

0.7

V

Pull-up current source

6

mA

VOUT2 Terminal

VOUT2 UV comparator: positive-going

input threshold voltage at VOUT1 UV

80

83

86

%VOUT

comparator

%VOUT,

VOUT2 UV comparator: hysteresis

3

mV

VOUT2 UV comparator: falling edge

VSENSE2 decreasing below threshold

140

ms

deglitch

Peak output current

2 ms pulse width

3

A

Discharge transistor current

VOUT2 = 1.5 V

7.5

mA

6

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