BM531Q11
1ch Buck Type (Quasi-Resonant Control) White LED Driver for Large LCD Included 250V MOSFET
BM531Q11
1ch Buck Type (Quasi-Resonant Control) White LED Driver for Large LCD Included 250V MOSFET
BM531Q11是白色LED用高效率驱动器，适用于大屏幕液晶驱动器。BM531Q11内置了可向光源（LED串联连接的阵列）提供适当电压的准谐振方式DCDC转换器。内置250V耐压MOSFET，通过外接开关用电流检测电阻，可实现高自由度的电源设计。
主要规格
特性：
Topology
Buck
Vin(Min.)[V]
9
Vin(Max.)[V]
35
Number of Outputs
1
Switching Frequency (Max.)[MHz]
0.44
Integrated Switching FET
Yes
Dimming
DC / PWM
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
105
Package Size [mm]
9.27x6.35 (t=5.33)
特点：
- Quasi-resonant switching mode
- Built-in 250V MOSFET
- Maximum frequency 400kHz
- VCC pin: under voltage protection
- SOURCE pin: Leading-Edge-Blanking function
- PWM and ADIM dimming operating
- FAIL signal output (ADIM pin)
