AME5252 Datasheet, PDF (14/18 Pages) Analog Microelectronics – Dual Synchronous, 600mA, 1.5MHz Step-Down DC/DC Converter

AME
AME5252
Dual Synchronous, 600mA, 1.5MHz
Step-Down DC/DC Converter
0.616
0.612
0.608
0.604
0.600
V_FB vs Temperature
VIN= 3.6V
0.596
0.592
0.588
0.584
-40
-15
+10
+35
+60
+85 +110
Temperature(^oC)
R_DS(ON) vs Input voltage
0. 65
0. 60
0. 55
0. 50
Main Switch
0. 45
0.40
0. 35
Synchronous
0. 30
Switch
0. 25
0. 20
1
2
3
4
5
6
7
Input Voltage(V)
0. 70
0.65
0. 60
0.55
0. 50
0.45
0. 40
0.35
0. 30
0.25
0. 20
-50
R_DS(ON) vs Temperature
VIN=2.7V
V_IN=3.6V
VIN= 4.2V
Main Switch
Synchronous Switch
-25
0
+25
+50 +75 +100 +125
Temperature(^oC)
100
90
80
70
60
50
40
30
20
10
1
Efficiency vs Load Current
V IN=2.7 V
V _IN=4.2 V
VIN =3.6V
VOUT=1.8V
10
100
I_OUT (mA)
1000
Efficiency vs Load Current
100
90 _VIN=2.7V
80
70
60
V_IN= 4.2V
50
40
30
V IN= 3.6V
20
10
V_OUT= 2.5V
0
1
10
100
1000
IOUT (mA)
Efficiency vs Load Current
100
90
V_IN=2.7V
80
70
V_IN=4.2V
60
VIN=3.6V
50
40
30
V_OUT=1.2V
20
1
10
100
1000
IOUT(mA)
14
Rev. C.01