US201XXG-AF5-R datasheet(5/7 Pages) UTC

5 / 7 page

US201/A/B/C

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

5 of 7

www.unisonic.com.tw

QW-R502-302.E

ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN TYP MAX UNIT

ENABLE INPUT

Low

VIL

VIN=2V~5.5V, Switch OFF

0.8

CTL Threshold

High

VIH

VIN=2V~5.5V, Switch ON

2.0

CTL Input Current

II(CTL)

VCTL=0V~5.5V

0.01

µA

UNDER VOLTAGE LOCK

US201/ US201A

1.3

Under-Voltage Lockout

VUVLO

VIN increasing

US201B/ US201C

2.5

Under-Voltage Hysteresis

∆VUVLO

VIN decreasing

0.1

SUPPLY CURRENT

ISW(ON)

Switch on, VOUT=OPEN

µA

Supply Current

ISW(OFF)

Switch off, VOUT=OPEN

0.1

µA

Output Leakage Current

IO(LEAK)

VCTL=0V, RLOAD=0Ω

0.5

µA

CURRENT LIMIT

US201

0.6

0.8

1.1

US201A

1.1

1.5

1.9

US201B

1.3

1.7

2.1

Current Limit

ILIMIT

US201C

1.5

2.0

2.4

US201

0.8

US201A

1.0

US201B

1.0

Short Circuit Fold-Back Current

ISC(FB)

VOUT=0V, measured prior

to thermal shutdown

US201C

1.3

POWER SWITCH

IOUT= 500mA

US201

110

mΩ

Switch ON Resistance

RDS(ON)

IOUT=1.0A

US201A/B/C

110

mΩ

Output Turn-ON Rise Time

tON(RISE)

10% ~ 90% of VOUT rising

400

µs

OVER CURRENT FLAG

FLAG OFF Current

(OFF)

FLG

V=5V

0.01

µA

FLAG Output Resistance

FLG

ISINK=1mA

400

Ω

FLAG Delay Time

From fault condition to FLG assertion

THERMAL SHUTDOWN

Thermal Shutdown Protection

TSD

130

℃

Thermal Shutdown Hysteresis

∆TSD

℃

US201XXG-AF5-R Datasheet(PDF) 5 Page - Unisonic Technologies

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