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The EMD2050 designed with high efficiency step up DC/DC converter for driving white LEDs. The device can drive up 3 white LEDs from a single Li-Ion battery or a DC power 2.5V to 5.5V. The EMD2050 uses current mode and pulse-width modulated (PWM) operation. It switches at 1.2MHz and allows using small inductor and both of input/output capacitors. An internal .
WLEDs supports (20mA for each channel): Up to 3S13P at VIN=3.7V Up to 3S18P at VIN=5.0V (Note: SÆ Series; PÆ Parallel) Low Quiescent Current: 55 μA Over Voltage Protection: 15V Inherently Matched LED Current Shutdown Current < 1μA Reference Voltage 0.235V Efficiency : 85% (Typ) at VIN=5.0V PWM Dimming Control In.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | EMD2055 |
Elite Semiconductor |
PWM Step-Up DC/DC Converter |
|
| 2 | EMD2080 |
Elite Semiconductor |
Constant Current LED Lighting Driver |
|
| 3 | EMD2081 |
ESMT |
Constant Current LED Lighting Driver |
|
| 4 | EMD2095 |
Elite Semiconductor |
PWM Step-Up DC/DC Converter |
|
| 5 | EMD2 |
Rohm |
General purpose (dual digital transistors) |
|
| 6 | EMD2 |
JCET |
Dual Digital Transistors |
|
| 7 | EMD2155 |
ESMT |
Non-isolated Linear AC LED Driver |
|
| 8 | EMD2160 |
ESMT |
300mA LASER Diode Driver |
|
| 9 | EMD2161 |
ESMT |
100mA LASER Diode Driver |
|
| 10 | EMD2181 |
ESMT |
Linear AC LED Driver |
|
| 11 | EMD2182 |
ESMT |
Linear AC LED Driver |
|
| 12 | EMD2183 |
ESMT |
Linear AC LED Driver |
|