Description
Datasheet LED driver series for LCD back light White LED driver for medium sized and large sized LCD back light BD9470AEFVBD9470AFM *General Des.
BD9470AEFV and BD9470AFM are high efficiency driver for white LED.
Features
* 6ch LED constant current driver
* LED maximum output current 250mA
* Individual PWM dimming modulation allowed for
LEDs
* ±2% LED current accuracy (when each LED is set
to 130mA)
* Built-in LED feedback voltage automatic adjustment
circuit according to LED current
* Built-i
Applications
* LED driver for TV, monitor and LCD back light
* Package
HSOP-M28 HTSSOP-B28
W (Typ. ) x D(Typ. ) x H(Max. ) 18.50mm x 9.90mm x 2.41mm
9.70mm x 6.40mm x 1.00mm
Figure 1. HSOP-M28
Figure 2. HTSSOP-B28
GND VCC
STB
FAIL
FAIL STB
OVP
LSP
LED6
UVLO
LED5
LED1
LED4
LED2
LED_GND
LED3