USR1101G-S08-R datasheet(4/6 Pages) UTC

4 / 6 page

USR1101

Preliminary

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

4 of 6

www.unisonic.com.tw

QW-R103-062.a

ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

VCC

Power Dissipation (TA=25°C) (Note 1)

0.625

Storage Temperature

TSTG

-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

θJA

160

°С/W

RECOMMENDED OPERATING CONDITIONS (Note 2)

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

VCC

5±5%,12±10%

Ambient Temperature

0~70

°C

Junction Temperature

0~125

°C

Notes: 1. θJA is measured in the natural convection at TA=25°C on a low effective thermal conductivity test board of

JEDEC 51-3 thermal measurement standard.

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

ELECTRICAL CHARACTERISTICS (VCC=5V/12V, TA=25°C, unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX UNIT

VCC Supply Current

Nominal Supply Current

ICC

UGATE and LGATE Open

Power-On Reset

POR Threshold

VCCRTH

VCC Rising

4.1

4.5

Hysteresis

VCCHYS

0.35

0.5

Switcher Reference

Reference Voltage

VREF

VCC=12V

0.784

0.8

0.816

Oscillator

Free Running Frequency

fOSC

VCC=12V

250

300

350

kHz

Ramp Amplitude

ΔVOSC

VCC=12V

1.5

VP-P

PWM Controller Gate Drivers (VCC=12V)

Dead Time

TDT

100

Protection

FB Under-Voltage Trip

ΔFBUVT

FB Falling

OC Current Source

IOC

μA

Soft-Start Interval

TSS

2.5

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