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| L3012_15 Datasheet, PDF (3/5 Pages) Unisonic Technologies – LINEAR INTEGRATED CIRCUIT | |||
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L3012
LINEAR INTEGRATED CIRCUIT
ï® ABSOLUTE MAXIMUM RATING (TA=25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
Switch Voltage
VIN
40
V
VSW
-1~VIN+1
V
Comp Voltage
SENSE Voltage
VCOMP
-0.3~6
V
VSENSE
-0.3~VIN
V
Input Voltage
Junction Temperature
VIN
4.5~40
V
TJ
150
°C
Operating Temperature
Storage Temperature
TOPR
-40 ~ +125
°C
TSTG
-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.
ï® ELECTRICAL CHARACTERISTICS (TA=25°C, unless otherwise specified, VIN=12V, IOUT=700mA)
PARAMETER
Supply Voltage
Operating Current
Upper Switch Leakage
Current Limit
Maximum Duty Cycle
Oscillator Frequency
COMP Clamp Voltage
Switch Transistor on Resistance
Sampling Voltage Threshold
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
SYMBOL
VIN
IIN
IL
ILIM
DMAX
fOSC
VCOMP
RON
VIN-VSENSE
TSD
TSD-hys
TEST CONDITIONS
VCC=4/40V (Switch Off)
VSW=40V
VIN=SENSE=12V
3LED, VIN=9V
Open without load
1LED, IOUT=1A
Drop voltage between VIN and SENSE
MIN TYP MAX UNIT
6
36 V
2.2 5 mA
0
5 μA
1.7 2
3
A
94 96 %
250 280 350 kHz
2.6
V
0.15 0.5 â¦
100
mV
160
°C
30
°C
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 5
QW-R125-025.D
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