ame5252 AME, Inc., ame5252 Datasheet - Page 14

• Manufacturer Part Number: ame5252
• Description: Dual Synchronous, 600ma, 1.5mhz Step-down Dc/dc Converter
• Manufacturer: AME, Inc.

14
AME5252
0.616
0.612
0.608
0.604
0.596
0.592
0.588
0.584
0.600
0.70
0.65
0.60
0.55
0.50
0.45
0.40
0.35
0.30
0.25
0.20
100
90
80
70
60
50
40
30
20
10
-40
-50
1
V
V
-15
-25
AME
IN
IN
=4.2V
=3.6V
Efficiency vs Load Current
R
DS(ON)
V
V
+10
0
FB
IN
10
V
Temperature(
Temperature(
=2.7V
IN
vs Temperature
V
vs Temperature
=3.6V
IN
I
+25
OUT
=3.6V
+35
(mA)
+50
V
+60
IN
=2.7V
o
o
C)
C)
100
Main Switch
Synchronous Switch
+75
V
+85
IN
V
=4.2V
OUT
+100
=1.8V
+110
+125
1000
Dual Synchronous, 600mA, 1.5MHz
0.65
0.60
0.55
0.50
0.45
0.35
0.30
0.25
0.20
0.40
100
100
90
80
70
60
50
40
30
20
90
80
70
60
50
40
30
20
10
0
1
1
Step-Down DC/DC Converter
1
V
IN
=2.7V
2
Efficiency vs Load Current
Efficiency vs Load Current
R
DS(ON)
V
10
3
Input Voltage(V)
10
IN
V
=3.6V
IN
V
vs Input voltage
Synchronous
Main Switch
=2.7V
I
IN
OUT
I
=3.6V
OUT
Switch
V
4
(mA)
(mA)
IN
=4.2V
100
100
5
V
IN
=4.2V
V
V
OUT
OUT
6
=1.2V
=2.5V
1000
1000
7
Rev. A.01