AME, Inc.
AME5104
n
Characterization Curve
Switch vs Saturation Voltage
1.4
V
IN
=12V
5.5
5.4
V
IN
=12V
V
OUT
=5V
150KHz,3A PWM
DC/DC Buck Converter
Switch Current Limit
Saturation Voltage(V)
V
OUT
=5V
Switch Current Limit(A)
1
2
3
1.3
1.2
1.1
1.0
0.9
0.8
0.7
5.3
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
0
4.4
-40
-25
0
25
75
125
Switch Current(A)
Junction Temperature(℃)
IQ vs. Temperature
5.2
5.1
5.0
V
IN
=12V
V
FB
=12V
V
OUT
=5V
Shutdown Quiescent Current
180
160
140
V
EN
=5V
V
OUT
=5V
Current(uA)
120
100
80
60
40
IQ(mA)
4.9
4.8
4.7
4.6
20
4.5
-40
-25
0
25
75
125
0
0
10
20
30
40
50
Temperature(℃)
Supply Voltage(V)
Normalized Output Voltage
2.0
12
EN Pin Current(Sinking)
V
I N
=36V
V
OUT
=5V
V
FB
=GND
Output Voltage Change(%)
1.5
1.0
0.5
0
-0.5
-1.0
V
IN
=12V
V
OUT
=5V
I
LOAD
=200mA
10
Current(uA)
8
6
4
2
-1.5
-2.0
-40
0
-25
0
25
75
125
155
0
5
10
15
20
25
30
Junction Temperature(℃)
EN Pin Voltage(V)
Rev.C.02
9
AME [ ANALOG MICROELECTRONICS ]
