ame5252 AME, Inc., ame5252 Datasheet - Page 15

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

AME5252
Rev.A.01
2.10
2.00
1.90
1.80
1.70
1.60
1.50
1.40
1.30
1.20
1.10
1.00
0.90
0.80
0.70
1.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
0.9
0.8
0.7
100
90
80
70
60
50
40
30
20
2.5
-40
1
-25
2.8
Current Limit vs Temperature
-10
AME
3.1
Efficiency vs Load Current
+5 +20 +35
3.4
Current Limit vs V
V
Channel 2
IN
Temperature(
10
Channel 1
=2.7V
Channel 2
Channel 1
3.7
I
OUT
V
V
4.0
IN
IN
(mA)
(V)
=4.2V
+50 +65
V
IN
4.3
=3.6V
o
C)
100
4.6
V
V
IN
+80 +95 +110 +125
OUT 1
OUT 2
V
V
V
V
OUT
IN
OUT1
OUT2
4.9
=1.2V
=1.2V
=3.6V
=1.5V
=1.2V
=1.2V
5.2
1000
5.5
Dual Synchronous, 600mA, 1.5MHz
C
1.844
1.834
1.824
1.814
1.804
1.794
1.784
1.774
2.10
2.00
1.90
1.80
1.70
1.60
1.50
1.40
1.30
1.20
1.10
1.00
0.90
0.80
0.70
2.10
2.00
1.90
1.80
1.70
1.60
1.50
1.40
1.30
1.20
1.10
1.00
0.90
0.80
0.70
-40
-40
Step-Down DC/DC Converter
1
-25 -10
-25
Channel 1
Output Voltage vs Load Current
Channel 2
Current Limit vs Temperature
Current Limit vs Temperature
-10
Channel 2
+5
+5 +20
Channel 1
Temperature(
10
Temperature(
+20 +35 +50 +65 +80 +95 +110 +125
I
OUT
+35 +50 +65 +80
(mA)
o
o
C)
C)
100
V
V
V
V
V
V
IN
OUT 1
OUT 2
IN
OUT 1
OUT 2
=3.3V
=5.0V
+95 +110 +125
=1.2V
=1.2V
=1.2V
=1.2V
1000
15