UC4107

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

3 of 4

www.unisonic.com.tw

QW-R125-055.b



PARAMETER

SYMBOL

RATINGS

UNIT

-0.3 ~ 45

V

CS, GATE1, GATE2, CREG, OVP to GND

-0.3 ~ 6

V

-1 ~ 3

V

0.53

W

Junction Temperature

+150

°C

Storage Temperature Range

-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.



RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Input Voltage

4.5 ~ +40

V

Junction Temperature Range

-40 ~ +125

°C

Ambient Temperature Range

-40 ~ +85

°C



THERMAL DATA

PARAMETER

SYMBOL

RATINGS

UNIT

Junction to Ambient

188

°С/W



ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP MAX UNIT

CREG UVLO_ON

4

4.3

4.6

V

CREG UVLO_OFF

4.2

V

10

μA

GATE2 Stand Still

1.5

mA

Internal Reference Voltage

5

V

Internal Reference Voltage

4.9

V

CS Threshold Voltage

215

240

265

mV

CS Pin Leakage Current

1

μA

OVP High Level

1.71

1.9

2.09

V

OVP Low Level

1.44

1.6

1.76

V

OVP Pin Leakage Current

1

μA

GATE1 Duty Off-Time

1.5

μs

UGATE1 Drive Sink

2

Ω

LGATE1 Drive Source

1.25

Ω

GATE1 Default Pull Down Resistor

90

kΩ

ISN Threshold

123.5 130 136.5

mV

ISN Hysteresis

10

15

20

%

ISN Pin Leakage Current

1

μA

UGATE2 Drive Sink

2

Ω

LGATE2 Drive Source

1.25

Ω

GATE2 Default Pull Down Resistor

90

kΩ

Thermal Shutdown Temperature

140

155

170

°C

Thermal Shutdown Hysteresis

35

°C