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| AME5249 Datasheet, PDF (8/21 Pages) Analog Microelectronics – 1.5MHz, 600mA Synchronous Buck Converter | |||
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AME
AME5249
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)
Symbol
VIN
âVOUT
âVOUT
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
Adjustable Output Range
VOUT
Feedback Voltage
VFB
Feedback Pin Bias Current
IF B
Quiescent Current
IQ
Shutdown Current
Reference Voltage Line Regulation
Output Voltage Line Regulation
Output Voltage Load Regulation
ISHDN
âVFB
REGLINE
REGLOAD
TA=25oC
TA=-40oC to +85oC
VFB=0.5V or VOUT=90%,
IOUT=0A
VFB=0.62V or VOUT=103%,
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
0.588 0.6 0.612
V
0.585 0.6 0.615
-50
50 nA
300 400
µA
20 35
0.1 1
0.4
%/V
0.4
0.5
%
8
Rev.A.01
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