AAT2803 Datasheet, PDF (7/16 Pages) Advanced Analogic Technologies – Six-Channel White LED Backlight Charge Pump with Flash

AAT2803
Six-Channel White LED Backlight
Charge Pump with Flash
Typical Characteristics–Flash Driver Charge Pump Section
Output Ripple Voltage vs. Time
(I_OUT = 50mA @ V_IN = 3.5V)
Output Ripple Voltage vs. Time
(I_OUT = 100mA @ V_IN = 3.5V)
V_IN
(10mV/div)
V_IN
(10mV/div)
V_OUT
(10mV/div)
V_OUT
(20mV/div)
I_IN
(10mA/div)
I_IN
(10mA/div)
500ns/div
500ns/div
Supply Current vs. Supply Voltage
3.00
2.75
I_OUT = 0μA
C₃ = 1μF
2.50 _{VEN_FL = VIN}
2.25
2.00
1.75
1.50
1.25
1.00
2.5
3.0
3.5
4.0
4.5
5.0
Supply Voltage (V)
Oscillator Frequency vs. Supply Voltage
1.30
1.25
+25°C
1.20
+85°C
1.15
-40°C
1.10
2.7
3.2
3.7
4.2
4.7
Supply Voltage (V)
2803.2006.12.1.6
7