4-Channel Charge Pump White LED Driver with PWM Brightness Control - BD1604MUV | ROHM Semiconductor - ROHM Co., Ltd. - global
4-Channel Charge Pump White LED Driver with PWM Brightness Control - BD1604MUV
BD1604MUV and BD1604MVV is a 4 white LED driver for small LCD backlight. At the charge pump type, the number of external devices is minimized.
Number of Outputs
Switch Current Limit(Typ.)[A]
Auto Luminous Control
Operating Temperature (Min.)[°C]
Operating Temperature (Max.)[°C]
Features:・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)