TPS70758PWPG4 datasheet(6/40 Pages) TI1

No de pièce	TPS70758PWPG4

Description	Dual-Output, Low Dropout Voltage Regulators with Power-Up Sequencing for Split-Voltage DSP Systems

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Fabricant	TI1 [Texas Instruments]

Site Internet	http://www.ti.com

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TPS70745, TPS70748

TPS70751, TPS70758

TPS70702

SLVS291D – MAY 2000 – REVISED DECEMBER 2007

ELECTRICAL CHARACTERISTICS (continued)

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

EN = 0V, and CO = 33µF (unless otherwise noted).

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOUT1 Terminal

VOUT1 UV comparator: Positive-going

input threshold voltage of VOUT1 UV

80% VO

83% VO

86% VO

V

comparator

VOUT1 UV comparator: Hysteresis

0.5% VO

mV

VOUT1 UV comparator: Falling edge

VSENSE_1 decreasing below threshold

140

µs

deglitch

Dropout voltage(4)

IO = 250mA, TJ = +25°C

VIN1 = 3.2V

83

mV

Dropout voltage(4)

IO = 250mA,

VIN1 = 3.2V

140

mV

Peak output current(4)

2ms pulse width

750

mA

Discharge transistor current

VOUT1 = 1.5V

7.5

mA

VIN1 UVLO threshold

2.4

2.65

V

FB Terminal

Input current: TPS70702

FB = 1.8V

1

µA

(4)

Input voltage (VIN1 or VIN2) = VO(typ) – 100mV. For 1.5V, 1.8V and 2.5V regulators, the dropout voltage is limited by input voltage range.

The 3.3V regulator input is set to 3.2V to perform this test.

6

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