US202AHL-AF5-R datasheet(3/5 Pages) UTC

3 / 5 page

US202/A

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

3 of 5

www.unisonic.com.tw

QW-R502-445.F



ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

VIN

Chip Enable

VCE

-0.3 ~ 6

Power Dissipation (TA = 25°C)

0.25

Junction Temperature

-20 ~ +100

°C

Storage Temperature

TSTG

-65 ~ +150

°C

Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.



ELECTRICAL CHARACTERISTICS

(VIN = 5V, CIN = COUT = 1μF, TA = 25°C, unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP MAX UNIT

Input Voltage Range

VIN

2.7

5.5

Output NMOSFET RDS(ON)

RDS(ON)

IL=1A

100

mΩ

Supply Current

VIN=5V

µA

Output Turn-On Rising Time

RL= 10Ω, 90% Settling

400

µS

US202

1.1

1.5

2.0

Current Limit Threshold

ILIMIT

US202A

2.1

2.5

3.2

Short-Circuit Fold Back Current

ISC(FB)

VOUT = 0V, measured prior to

thermal shutdown

1.0

EN Input High Threshold

VIH

2.0

EN Input Low Threshold

VIL

0.8

Shutdown Supply Current

IOFF

EN = “0”

0.1

1.0

µA

Output Leakage Current

II(LEAK)

EN = “0”, VOUT = 0V

0.5

µA

VIN Under Voltage Lockout

UVLO

1.2

1.8

VIN Under Voltage Hysteresis

100

Thermal Limit

TSD

130

°C

Thermal Limit Hysteresis

∆TSD

°C

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