AME
1.5MHz, 600mA
Synchronous Buck Converter
AME5248A
nElectrical Specifications
VIN=3.6V, EN=VIN, TA = 25OC, unless otherwise noted
Test Condition
Parameter
Input Voltage
Symbol
Min Typ Max Units
VIN
2.5
-3
5.5
3
V
VIN=2.5 to 5.5V, VOUT=1.0V
0A < IOUT < 600mA
VIN=2.5 to 5.5V, VOUT=1.2V
-3
-3
-3
-3
-3
-3
-3
-3
3
3
3
3
3
3
3
3
0A < IOUT < 600mA
VIN=2.5 to 5.5V, VOUT=1.5V
0A < IOUT < 600mA
VIN=2.5 to 5.5V, VOUT=1.8V
Output Voltage Accuracy
(by every fixed output voltage)
0A < IOUT < 600mA
DVOUT
VIN=VOUT+DV to 5.5V (Note 1)
%
VOUT=2.5V, 0A <IOUT < 600mA
VIN=VOUT+DV to 5.5V (Note 1)
VOUT=2.7V, 0A <IOUT < 600mA
VIN=VOUT+DV to 5.5V (Note 1)
VOUT=2.8V, 0A <IOUT < 600mA
VIN=VOUT+DV to 5.5V (Note 1)
VOUT=3.3V, 0A <IOUT < 600mA
VIN=VOUT+DV to 5.5V (Note 1)
0A < IOUT < 600mA
Output Voltage Accuracy (Adj)
Adjustable Output Range
DVOUT
VIN-
0.2
VOUT
VFB
V
TA=25oC
0.490 0.5 0.510
0.488 0.5 0.512
Feedback Voltage
VFB
IFB
V
TA=-40oC to +85oC
Feedback Pin Bias Current
-50
50
nA
VFB=0.45V or VOUT=90%,
IOUT=0A
300
400
Quiescent Current
IQ
VFB=0.52V or VOUT=104%,
IOUT=0A
mA
20
35
Shutdown Current
ISHDN
DVFB
VEN=0V, VIN=4.2V
2.5≦VIN≦5.5V
0.1
1
Reference Voltage Line Regulation
Output Voltage Line Regulation
Output Voltage Load Regulation
0.4
0.4
%/V
%
REGLINE
REGLOAD
2.5≦VIN≦5.5V
IOUT=100mA to 600mA
0.5
Rev.A.01
7
AME [ ANALOG MICROELECTRONICS ]
