US236H

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

4 of 6

www.unisonic.com.tw



ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Input Voltage, 5VSB (Note 1)

5.7

V

Other Pins

5.7

V

0.625

W

Junction Temperature

+150

°C

Storage Temperature Range

-65 ~ +150

°C

Notes: 1. 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.

2. Devices are ESD sensitive. Handling precaution recommended.



RECOMMENDED OPERATION CONDITIONS

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Input Voltage

4.5 ~ 5.5

V

Operating Ambient Temperature Range

-40 ~ +85

°C

Operating Junction Temperature Range (Note)

-40 ~ +125

°C

Note: The device is not guaranteed to function outside its operating conditions.



THERMAL DATA

PARAMETER

SYMBOL

RATINGS

UNIT

Junction to Ambient

160

°C/W

Junction to Case

45

°C/W



PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

SUPPLY INPUT 5VSB

Supply Input Voltage Range

4.5

5.5

V

Under Voltage Lockout

5VSB rising

4.3

4.5

V

UVLO Hysteresis

80

mV

Shutdown Current

0.01

1

uA

Quiescent Current

50

70

uA

Supply Input Voltage Range

4.5

5.5

V

Under Voltage Lockout

4.3

4.5

V

UVLO Hysteresis

80

mV

ENABLE CONTROL

High Level Threshold

1.4

V

Low Level Threshold

0.4

V

Enable Pin Input Current

-1

1

uA

Enable Delay

ramp up

0.15

1

ms

POWER SWITCH FOR 5VSB (Q2)

N-MOSFET ON Restiance

400

500

mΩ

Leakage Current

1

uA

Reverse Leakge Current

1

uA

N-MOSFET ON Restiance

80

100

mΩ

Leakage Current

1

uA

Reverse Leakge Current

1

uA