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