ap3409 BCD Semiconductor Manufacturing Limited, ap3409 Datasheet - Page 7
ap3409
Manufacturer Part Number
ap3409
Description
3a, 4mhz High Efficiency Synchronous Buck Converter
Manufacturer
BCD Semiconductor Manufacturing Limited
Datasheet
1.AP3409.pdf
(12 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Typical Performance Characteristics
V
Jul. 2010 Rev. 1. 0
3A, 4MHz High Efficiency Synchronous Buck Converter
600
500
400
300
200
100
100
IN
Figure 4. Supply Current vs. Input Voltage
90
80
70
60
50
40
30
2.5
=V
Figure 6. Efficiency vs. Output Current
0
DD
3.0
=V
500
PVDD
3.5
1000
=3.3V, T
Output Current (mA)
Input Voltage (V)
4.0
1500
4.5
A
2000
=25℃, unless otherwise specified.
5.0
V
2500
OUT
V
=2.5V
FB
V
V
=0.75V
5.5
IN
IN
3000
=5.0V
=3.3V
6.0
3500
7
Figure 5. Supply Current vs. Ambient Temperature
700
600
500
400
300
200
100
140
120
100
80
60
-60
-60
Figure 7. PMOS ON Reisistance vs.
BCD Semiconductor Manufacturing Limited
-30
-30
Ambient Temperature
Preliminary Datasheet
0
0
Ambient Temperature (
Ambient Temperature (
30
30
60
60
O
o
C)
C )
90
90
AP3409
V
V
V
V
IN
FB
IN
FB
=3.3V
=0.75V
=3.3V
=0.75V
120
120
150
150