USR1101

Preliminary

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

4 of 5

www.unisonic.com.tw

QW-R103-062.b



ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

16

V

0.625

W

Storage Temperature

-65~150

°C

Junction Temperature

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.



THERMAL DATA

PARAMETER

SYMBOL

RATINGS

UNIT

Junction to Ambient

160

°С/W



PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

5±5%,12±10%

V

Ambient Temperature

0~70

°C

Junction Temperature

0~125

°C

JEDEC 51-3 thermal measurement standard.

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



PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX UNIT

Nominal Supply Current

UGATE and LGATE Open

6

15

mA

Power-On Reset

POR Threshold

4.1

4.5

V

Hysteresis

0.35

0.5

V

Switcher Reference

Reference Voltage

0.784

0.8

0.816

V

Oscillator

Free Running Frequency

250

300

350

kHz

Ramp Amplitude

1.5

Dead Time

100

ns

Protection

FB Under-Voltage Trip

FB Falling

70

75

80

%

OC Current Source

40

45

μA

Soft-Start Interval

2.5

ms