L3012

Preliminary

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

3 of 5

www.unisonic.com.tw

QW-R125-025. b



PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

40

V

Switch Voltage

V

Comp Voltage

-0.3~6

V

SENSE Voltage

V

Input Voltage

4.5~40

V

Junction Temperature

150

°C

Operating Temperature

-40 ~ +125

°C

Storage Temperature

-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.



PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX UNIT

Supply Voltage

6

36

V

Operating Current

2.2

4

mA

Upper Switch Leakage

0

5

μA

Current Limit

1.7

2

3

A

Maximum Duty Cycle

94

96

%

Oscillator Frequency

250

280

320

kHz

COMP Clamp Voltage

Open without load

1.6

2

2.2

V

Switch Transistor on Resistance

0.15

0.5

Ω

Sampling Voltage Threshold

100

mV

Thermal Shutdown Threshold

TSD

160

°C

Thermal Shutdown Hysteresis

TSD-hys

30

°C