Data sheet, Typical performance characteristics (continued) – Diodes AP3581A/B/C User Manual
Page 7
Data Sheet
Single Phase Synchronous Buck PWM Controller AP3581A/B/C
Oct. 2011 Rev. 1. 0 BCD Semiconductor Manufacturing Limited
7
-50
-25
0
25
50
75
100
125
150
240
250
260
270
280
290
300
310
320
330
340
350
360
For AP3581A
S
w
it
ching F
requ
ency
(
k
Hz
)
Temperature (
o
C)
-50
-25
0
25
50
75
100
125
150
0.50
0.52
0.54
0.56
0.58
0.60
0.62
0.64
0.66
0.68
0.70
F
eedbac
k Voltage (V
)
Temperature (
°
C)
For AP3581A
4
5
6
7
8
9
10
11
12
13
14
240
250
260
270
280
290
300
310
320
330
340
350
360
S
w
itc
h
ing F
requenc
y
(kHz
)
Input Voltage (V)
For AP3581A
4
5
6
7
8
9
10
11
12
13
14
0.50
0.52
0.54
0.56
0.58
0.60
0.62
0.64
0.66
0.68
0.70
Feed
back Voltage
(V)
Input Voltage (V)
For AP3581A
Typical Performance Characteristics (Continued)
Figure 6. Switching Frequency vs. Temperature Figure 7. Switching Frequency vs. Input Voltage
Figure 8. Feedback Voltage vs. Temperature Figure 9. Feedback Voltage vs. Input Voltage