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| AME5144 Datasheet, PDF (12/15 Pages) AMETHERM Circuit Protection Thermistors – High Efficiency, 37V Step-Up Converter for 2 to 10 White LEDs | |||
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AME
AME5144
High Efficiency, 37V Step-Up
Converter for 2 to 10 White LEDs
V CTRL
IIN
ILED
VOUT
310
308
306
304
302
300
298
296
294
292
290
2.6
Ctrl Step Response
20ms /div
VFB vs VIN
1V/ div
VCTRL
100 mA/div
V IN
50mA/div
10V /div
V OUT
I LED
Direct-PWM Dimming Response
2 V/ div
32kHZ 50%
Duty cycle
20 m V /div
AC -coupled
500 mV/div
AC -coupled
10m A/div
10µs/div
TA= -40OC
TA=85OC
TA=25OC
3.6
4.6
5.6
VIN(V)
12
Rev. D.01
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