Preliminary Datasheet
Off-line Primary Side Regulation Controller for Dimmable LED Driver
AP1681
Typical Performance Characteristics (Continued)
2.2
940
920
2.0
Operating Current (
µ
A)
-20
0
20
40
60
o
Start-up Current (
µ
A)
900
880
1.8
860
1.6
840
820
1.4
-40
80
100
120
800
-40
-20
0
20
40
60
o
80
100
120
Ambient Temperature ( C)
Ambient Temperature ( C)
Figure 6. Start-up Current vs. Ambient Temperature
Figure 7. Operating Current vs. Ambient Temperature
1000
900
800
540
Current Sense Voltage (mV)
Operating Current (
µ
A)
520
700
600
500
400
300
200
100
0
500
480
460
0
5
10
15
20
25
30
20
22
24
26
28
30
Supply Voltage (V)
Supply Voltage (V)
Figure 8. Operating Current vs. Supply Voltage
Figure 9. Current Sense Voltage vs. Supply Voltage
Jul. 2011
Rev. 1. 2
8
BCD Semiconductor Manufacturing Limited
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
