APW7000 Datasheet, PDF (6/18 Pages) Anpec Electronics Coropration – 1X/1.5X/2x Charge Pump White LED Driver

APW7000
Typical Operating Characteristics (Cont.)
LED Current vs. Temperature
22
4 LEDs at 20mA
VIN=3.3V
21
LED Current vs. Temperature
22
4 LEDs at 20mA
VIN=2.7V
21
20
20
19
19
18
18
17
-40 -20 0 20 40 60 80 100 120 140
Temperature (°C)
Quiescent Current vs. Temperature
400
in 1x mode
VIN=4V
350
300
250
200
-40 -20 0 20 40 60 80 100 120 140
Temperature (°C)
StartUp in 1x Mode
IIN (100mA/div)
4 LEDs at 20mA
VF=3.1V, VIN=4V
17
-40 -20 0 20 40 60 80 100 120 140
Temperature (°C)
Quiescent Current vs. Input Voltage
3
2.75
4 LEDs at 20mA
2.5
VF=3.3V
2.25
2
1.75
1.5
1.25
1
0.75
0.5
0.25
0
2.5 2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5
Input Voltage(V)
StartUp in 1.5x Mode
IIN (100mA/div)
4 LEDs at 20mA
VF=3.1V, VIN=3.3V
VOUT (2V/div)
ILED (10mA/div)
EN (5V/div)
TIME (0.1ms/div)
Copyright © ANPEC Electronics Corp.
6
Rev. A.2 - Feb., 2009
VOUT (2V/div)
EN (5V/div)
ILED (10mA/div)
TIME (0.1ms/div)
www.anpec.com.tw