AME5104 Datasheet, PDF (9/12 Pages) Analog Microelectronics – DC/DC Buck Converter

AME, Inc.
AME5104
n Characterization Curve
Switch vs Saturation Voltage
1.4
VIN=12 V
1.3
V OUT=5V
1.2
1.1
1.0
0.9
0.8
0.7
0
1
2
3
Switch Current(A)
5.2
5.1
5. 0
4. 9
4. 8
4.7
4.6
4.5
-40
IQ vs. Temperature
VIN=12V
V_FB=12V
V OUT=5V
-25
0
25
75
125
Temperature( )
Normalized Output Voltage
2 .0
VIN=12 V
1.5
VOUT= 5V
I LOAD=200m A
1 .0
0.5
0
-0.5
-1.0
-1.5
-2.0
-4 0
-25
0
25
75
125
155
Junction Temperature( )
Rev.C.02
150KHz,3A PWM
DC/DC Buck Converter
Switch Current Limit
5 .5
5 .4
VIN=12 V
VOUT=5V
5 .3
5 .2
5 .1
5.0
4 .9
4 .8
4 .7
4 .6
4 .5
4 .4
-4 0
-25
0
25
75
125
Junction Temperature( )
Shutdown Quiescent Current
180
160
VEN=5V
VOUT=5V
140
120
100
80
60
40
20
0
0
10
20
30
40
50
Supply Voltage(V)
EN Pin Current(Sinking)
12
VI N= 36V
VOUT = 5V
10
VFB= GND
8
6
4
2
0
0
5
10
15
20
25
30
EN Pin Voltage(V)
9