TPS2553DBVR datasheet(4/31 Pages) TI

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TPS2552

TPS2553, TPS2552-1, TPS2553-1

SLVS841C – NOVEMBER 2008 – REVISED SEPTEMBER 2009...................................................................................................................................... www.ti.com

ELECTRICAL CHARACTERISTICS (continued)

over recommended operating conditions, V/EN = 0 V, or VEN = VIN, RFAULT = 10 kΩ (unless otherwise noted)

PARAMETER

TEST CONDITIONS(1)

MIN

TYP

MAX

UNIT

SUPPLY CURRENT

IIN_off

Supply current, low-level output

VIN = 6.5 V, No load on OUT, VEN = 6.5 V or VEN = 0 V

0.1

µA

RILIM = 20 kΩ

120

140

µA

IIN_on

Supply current, high-level output

VIN = 6.5 V, No load on OUT

RILIM = 210 kΩ

100

120

µA

IREV

Reverse leakage current

VOUT = 6.5 V, VIN = 0 V

TJ = 25 °C

0.01

µA

UNDERVOLTAGE LOCKOUT

UVLO

Low-level input voltage, IN

VIN rising

2.35

2.45

Hysteresis, IN

TJ = 25 °C

FAULT FLAG

VOL

Output low voltage, FAULT

I/FAULT = 1 mA

180

Off-state leakage

V/FAULT = 6.5 V

µA

FAULT assertion or de-assertion due to overcurrent condition

7.5

FAULT deglitch

FAULT assertion or de-assertion due to reverse-voltage condition

THERMAL SHUTDOWN

Thermal shutdown threshold

155

°C

Thermal shutdown threshold in

135

°C

current-limit

Hysteresis

°C

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