White LED Step-Up Converter
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This is a Boost LED driver designed drive white LED with constant current. It can drive 2 ~ 6 LED in a series connection from a single Li-Ion cell ensuring uniform brightness in small screen backlighting applications. The device also supports a single feedback of parallel connected multiple strings of LEDs for driving higher number of LEDs. It is available in SOT26, low profile TSOT26 and the extremely thin and small footprint U-DFN2020-6 Type C.
AEC Qualified |
No |
---|---|
Compliance (Only Automotive Supports PPAP) |
Standard |
Function |
PWM Boost LED Driver |
MinimumInput Voltage (V) |
2.7 V |
MaximumInput Voltage (V) |
5.5 V |
Maximum Output Voltage (V) |
26 V |
Number of Regulated Output Channels |
1 |
Maximum Output Current per Channel |
40 mA |
Typical Overcurrent Protection Current |
750 mA |
Switching Frequency (MHz) |
1.4 MHz |
Efficiency (%) |
84 % |
Quiescent Current (µA) |
0.5 mA |
Standby Quiescent Current (µA) |
1 µA |
SW RDS(ON) |
0.75 Ω |
Dimming |
PWM |
OVP |
Yes |
Soft Start |
Yes |
VFB |
100 V |
OperatingTemperatureRange (°C) |
-40 to 85 °C |
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