MC34844AEP Datasheet, PDF (27/62 Pages) Freescale Semiconductor, Inc – 10 Channel LED Backlight Driver with Integrated Power Supply

FUNCTIONAL DEVICE OPERATION
TYPICAL PERFORMANCE CURVES (TA=25°C)
MC34844
3.12
3.10
3.08
3.06
3.04
3.02
3.00
I2C Mode
SM_Bus Mode
2.98
15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Vin, volts
Figure 13. Bias Current vs Input Voltage (Sleep Mode)
COMP
VOUT
Vin=24V
Load=16 LEDs, 50mA/channel
VLED = 47V, ±1V
34844
27
INDUC TOR
CURRENT
Figure 14. Boost Soft Start
Analog Integrated Circuit Device Data
Freescale Semiconductor