ame5252 AME, Inc., ame5252 Datasheet - Page 13

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

AME5252
Rev.A.01
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
-40
V
V
I
V
V
I
OUT
LOAD
IN
OUT
Oscillator Frequency vs Temperature
IN
OUT
=3.6V
=3.6V
=800mA
=1.8V
=1.8V
=50mA to 600mA
-15
Start-UP form Shutdown
AME
+10
Temperature(
Load Step
20 S/Div
50 S/Div
+35
+60
o
C)
+85
+110
200mV /Div
500mV/Div
500mA/Div
5V /Div
I
EN
V
1V/Div
V
I
I
500mA/Div
SW
OUT
L
OUT
OUT
Dual Synchronous, 600mA, 1.5MHz
C
100
95
90
85
80
75
70
65
60
55
50
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
2
2
V
V
I
LOAD
Oscillator Frequency vs Supply Voltage
Step-Down DC/DC Converter
IN
OUT
=3.6V
=1.8V
=50mA
Efficiency vs Input voltage
Pluse Skipping Mode
3
3
Supply
Input Voltage(V)
1 S/Div
Voltage(V)
4
I
4
OUT
I
=600mA
OUT
I
OUT
=100mA
=10mA
5
5
6
6
10mV/Div
I
200mA/Div
V
V
5V /Div
SW
SW
OUT
13