BD1604MUV
带PWM亮度控制的4ch电荷泵白色LED驱动器
BD1604MUV
带PWM亮度控制的4ch电荷泵白色LED驱动器
BD1604MUV, BD1604MVV是小型LCD背光用4灯白色LED驱动器LSI。采用电荷泵型，可减少外接部件。
主要规格
特性：
Topology
Charge Pump
Vin(Min.)[V]
2.7
Vin(Max.)[V]
5.5
Total Output Current (Max.)[mA]
120
Per Channel Drive(Max.)[mA]
30
Number of Outputs
4
Vout(Max.)[V]
4.5
Switching Frequency (Max.)[MHz]
1
Dimming
PWM
Operating Temperature (Min.)[°C]
-30
Operating Temperature (Max.)[°C]
85
Package Size [mm]
3x3 (t=1)
特点：
・4 parallel LED driver is mounted.・The LED current can be controlled via an external resistance.
・Maximum current is 120mA (30mA x 4).
・LED1 to LED4 can be turned on or off via an external control pin.
・The relative current accuracy among LEDs (LED1 to LED4) is 3%.
・Automatically transition to each mode (1x, 1.5x, 2x).
・High efficiency (90% or more at maximum) is achieved.
・Output voltage protection
・Over current protection
・Thermal shutdown (TSD)
