ame5268 AME, Inc., ame5268 Datasheet - Page 15

• Manufacturer Part Number: ame5268
• Description: 3a, 28v, 340khz Synchronous Rectified Step-down Converter
• Manufacturer: AME, Inc.

Rev. A.01
AME5268
n Characterization Curve(For reference only)
400
390
380
370
360
350
340
330
320
310
300
290
280
270
260
100
90
80
70
60
50
40
30
20
10
-50
0
100
AME
-25
Efficiency vs. Output Current
Frequency vs. Temperature
Output Current (mA)
0
Temperature (
+25
1000
+50
o
C)
V
V
C
C
L = 10 H
+75
OUT
IN
IN
OUT
V
= 12V
= 20 F
IN
= 3.3V
= 44 F
= 12V
+100
10000
+125
i e
C
Rectified Step-Down Converter
3A, 28V, 340KHz Synchronous
100
90
80
70
60
50
40
30
20
10
0
1
2
3
4
100
V
V
I
C
1) EN = 5V/div
2) V
3) I
4) I
OUT
IN
OUT
SS
L
OUT
= 12V
= 0.1 F
= 3000mA
OUT
= 2A/div
= 5V
Efficiency vs. Output Current
= 2A/div
= 2V/div
Start-Up form EN
Output Current (mA)
4mS / div
1000
V
V
C
C
L = 15 H
OUT
I N
I N
OUT
= 12V
= 20 F
= 5V
= 44 F
10000
15