User guide

Preliminary Datasheet
Off-line Primary Side Regulation Controller for Dimmable LED Driver AP1681
Jul. 2011 Rev. 1. 2 BCD Semiconductor Manufacturing Limited
10
Typical Performance Characteristics (Continued)
Figure 14. FB Input Leakage Current vs. Figure 15. Output Clamp Voltage vs.
Ambient Temperature Supply Voltage
Figure 16. RD Pin Voltage vs. Ambient Temperature
-40 -20 0 20 40 60 80 100 120
1.0
1.5
2.0
2.5
3.0
FB Input Leakage Current (µA)
Ambient Temperature (
o
C)
-40-200 20406080100120
1.45
1.50
1.55
1.60
1.65
1.70
RD Pin Voltage (V)
Ambient Temperature (
o
C)
20 22 24 26 28 30
10
11
12
13
14
15
Output Clamp Voltage (V)
Supply Voltage (V)