AME, Inc.
PWM Control 3A Buck
Converter
AME5107
n Electrical Specifications
VIN = 12V, TA = 25oC,Unless otherwise specified.
Test Condition
Parameter
Input Voltage
Symbol
VIN
Min
Typ Max Units
3.6
18
V
V
Feedback Voltage
FB Pin Bias Current
Switch Current
VFB
IOUT=0.1A
0.782 0.8 0.818
IFB
IOUT=0.1A
0.1
0.5
mA
A
ISW
3.5
Current Consumption During
Power Off
ISSS
REGLINE
REGLOAD
fOSC
VEN=0V
10
2
mA
%
Output Voltage Line Regulation
Output Voltage Load Regulation
Oscillator Frequency
VIN=5V to 18V
IOUT=0.1A to 3A
4
0.2
350
0.5
%
Measure wave form at SW
pin
300
400 KHz
KHz
Measure wave form at SW
pin
Frequency of Current Limit or
Short Circuit Protect
fOSC1
VIH_EN
VIL_EN
IIH_EN
IIL_EN
10
Evaluate oscillation at SW
pin
Enable High (enabled)
Enable Low (shutdown)
EN High Input Current
EN Low Input Current
2.0
V
Evaluate oscillation stop at
SW pin
0.8
20
-10
90
mA
mA
OCSET Pin Bias Current
Soft Start Time
IOCSET
tSS
75
105
mA
0.3
2
5
mS
VIN=5V
VFB=0V
110
70
150
100
Internal MOSFET RDSON
RDSON
mW
VIN=12V
6
Rev.A.01
AME [ ANALOG MICROELECTRONICS ]
