Dual Output Off-Line Non-isolated Flyback Power Solution
AP3917B 12V/20mA+3.8V20mA EV3 Board User
’s Guide
AP3917B EV3 Page 12 of 17 06-21-2019
Rev 1.0 www.diodes.com
Fig.5-13, Output R&N 96/[email protected] 12V full load, 85V/60Hz
Fig.5-14, Output R&N 96/[email protected] and 12V full load,
115V/60Hz
Fig.5-15, Output R&N101/[email protected] and 12V full load,
230V/50Hz
Fig.5-16, Output R&N 101/[email protected] 12V full load,
265V/50Hz
5.2.4 Dynamic Response
The dynamic response output voltage was tested at the PCB terminal, and the bandwidth was limited to 20MHz. The loading is
set 0mA as low load and 20mA as high load, and last for 0.1s respectively. The ramp is set at 40mA/us.
Table 5-8, dynamic response
Conditions
Vin
Output voltage(V)
Figures
Vo1
Vo2
Max (V)
Min (V)
Max (V)
Min (V)
12V full load,
3.8V loading
0~100%
85V/60Hz
4.16
3.62
12.94
8.65
Fig. 27
115V/60Hz
4.10
3.65
12.87
8.52
-
230V/50Hz
4.06
3.65
12.87
8.71
-
264V/50Hz
4.10
3.65
12.94
8.31
Fig. 28
3.8V full load,
12V loading
0~100%
85V/60Hz
3.98
3.63
15.01
12.00
Fig. 29
115V/60Hz
3.95
3.63
15.01
11.94
-
230V/50Hz
4.02
3.63
15.01
11.94
-
264V/50Hz
4.02
3.63
15.07
11.94
Fig. 30