BL8545
Quiescent Current
vs. Supply Voltage
(VCE=0V)
Quiescent Current vs. Supply Voltage
(VCE=VIN,VFB=0.3V)
Quiescent Current(uA)
Quiescent Current(uA)
1.0
0.8
0.6
0.4
0.2
0.0
0
1
2
3
4
5
6
Supply Voltage(V)
120
100
80
60
40
20
0
0
1
2
3
4
5
6
Supply
Current(V)
FB Pin Voltage vs.Supply Voltage
FB Pin Voltage vs. Temperature
FB Pin Voltage(V)
0.200
0.180
0.160
0.140
0.120
2
3
4
Supply Voltage(V)
5
6
FB Pin Voltage(V)
0.220
0.220
0.200
0.180
0.160
0.140
0.120
-50
-25
0
25
50
75
100
Temperature(ºC)
Efficiency vs. Output Current
(4LEDs)
100
80
60
40
20
0
0
20
40
60
80
100
120
Output Current(mA)
VIN=2.5V
VIN=3V
VIN=6V
Maximum Output Currenr vs. Output Voltage
600
500
Efficiency(%)
Maximum Output
Currenr(mA)
400
300
200
100
0
4
8
12
16
Output Voltage(V)
Vin=3V
20
Vin=6V
24
Vin=2.5V
Switch Frequency vs. Supply Voltage
(4LEDs*100mA)
Switch Frequency(MHz)
4
3
2
1
0
2
3
4
Supply Voltage(V)
5
6
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