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| AIC2359 Datasheet, PDF (4/11 Pages) Analog Intergrations Corporation – 1A Dual Synchronous Step-down DC/DC Converter | |||
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AIC2359
ï® ELECTRICAL CHARACTERISTICS
(VIN=3.6V, VOUT=2.5V, unless otherwise specified. Typical values are at TA=25ï°C)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Input Voltage Range
VIN
2.2
5.5
V
Reference Voltage
VREF
0.588 0.6 0.612 V
FB Input Current
IFB
VFB = 0.62V
-50
50
nA
Quiesecnt Current
IQ
IOUT = 0mA, VFB = VREF + 5%
65
85
uA
Shutdown Supply Current
ISHDN
0.1
1
uA
Enable High Input Voltage
VEN_H
1.5
VIN
V
Enable Low Input Voltage
Output Adjustment Range
Output Voltage Accuracy
VEN_L
VOUT (ÎV = IOUT x PRDS(ON))
ÎVOUT
0.4
V
VREF
VIN - ÎV V
-3
VOUT
3
%
P-Channel On-Resistance
PRDS(ON) IOUT=200mA
0.28 0.39 ï
N-Channel On-Resistance
P-Channel Current-Limit
Threshold
Oscillator Frequency
NRDS(ON) IOUT=200mA
fOSC IOUT=100mA
0.25 0.39 ï
1.3 1.6
A
1.2 1.5 1.8 MHz
Maximum Duty Cycle
Thermal Shutdown Tempera-
ture
dutyMAX
TSD
LX Leakage Current
ILX
VLX=0V or VLX=3.6V
100
%
150
°C
-1
1
uA
4
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