Diodes AP3581A/B/C - Manual (Page 10)

Data Sheet
Single Phase Synchronous Buck PWM Controller AP3581A/B/C
Oct. 2011 Rev. 1. 0 BCD Semiconductor Manufacturing Limited
10
Typical Performance Characteristics (Continued)
Figure 18. Over Current Protection Figure 19. Over Voltage Protection
(V
IN
=12V, V
OUT
=1.2V to 0V, I
OUT
=0A) (V
IN
=12V, V
OUT
=1.2V, I
OUT
=20A)
V
OUT
1V/div
V
COMP
0.5V/div
V
PHASE
10V/div
I
L
10A/div
V
FB
1V/div
V
LGATE
10V/div
V
UGATE
20V/div
I
L
10A/div
Time 10ms/div
Time 80 µs/div