Diodes AP3435 - Manual (Page 8)

Preliminary Datasheet
1.0MHz, 3.5A, Synchronous Step Down DC-DC Converter AP3435
Dec. 2012 Rev. 1. 0 BCD Semiconductor Manufacturing Limited
8
Typical Performance Characteristics (Continued)
Figure 12. Enable Threshold Voltage vs. Input Voltage Figure 13. Current Limit vs. Input Voltage
Figure 14. Case Temperature vs. Output Current Figure 15. Enable Waveform
(V
IN
=5V, V
EN
=0V to 5V, V
OUT
=3.3V, I
OUT
=3.5A)
V
EN
2V/div
V
OUT
1V/div
I
SW
2A/div
Time 400 μs/div
2.5 3.0 3.5 4.0 4.5 5.0 5.5
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
EN
Thresho
ld V
o
lt
a
ge (V)
Input Voltage (V)
H Level
L Level
2.5 3.0 3.5 4.0 4.5 5.0 5.5
3.2
3.4
3.6
3.8
4.0
4.2
4.4
4.6
Current Li
m
it
(
A
)
Input Voltage (V)
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
25
30
35
40
45
50
55
60
65
70
75
80
85
90
Case T
e
mp
erat
u
re
(
ο
C)
Output Current (A)
V
OUT
= 1.2V