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NCP1523FCT2G Datasheet(PDF) 4 Page - ON Semiconductor

Part # NCP1523FCT2G
Description  3 MHz, 600 mA, High?묮fficiency, Adjustable Output Voltage Stepdown Converter
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP1523FCT2G Datasheet(HTML) 4 Page - ON Semiconductor

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NCP1523
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4
ELECTRICAL CHARACTERISTICS
(Typical values are referenced to TA = +25°C, Minimum and Maximum values are referenced −40°C to +85°C ambient temperature,
unless otherwise noted, operating conditions VIN = 3.6 V, VOUT = 1.8 V unless otherwise noted)
Symbol
Rating
Min
Typ
Max
Unit
VIN
Input Voltage Range
2.7
5.5
V
VUVLO
Under voltage Lockout (VIN Falling)
2.4
V
Iq
Quiescent Current
PFM no load
60
95
mA
ISTB
Standby Current, EN Low
0.3
1.2
mA
FOSC
Oscillator Frequency
2.400
3
3.600
MHz
ILIM
Peak Inductor Current
1200
mA
VREF
Feedback Reference Voltage
0.6
V
VFBtol
FB Pin Tolerance Overtemperature
−3
3
%
DVFB
Reference Voltage Line Regulation
0.1
%
VOUT
Output Voltage Accuracy (Note 5)
−3%
Vnom
+3%
V
VOUT
Minimum Output Voltage
0.9
V
VOUT
Maximum Output Voltage
2.3
V
DVOUT
Output Voltage Line Regulation (VIN = 2.7 – 5.5)
IO = 100 mA
0.1
%
VLOA-
DREG
Voltage Load Regulation
(IO = 150 mA to 300 mA)
(IO = 150 mA to 600 mA)
0.0005
0.001
%/mA
%/mA
Duty Cycle
100
%
RSWH
P−Channel On−Resistance
300
mW
RSWL
N−Channel On−Resistance
300
mW
ILeakH
P−Channel Leakage Current
0.05
mA
ILeakL
N−Channel Leakage Current
0.01
mA
VENH
Enable Pin High
1.2
V
VENL
Enable Pin Low
0.4
V
TSTART
Soft−Start Time
350
450
ms
5. The overall output voltage tolerance depends upon the accuracy of the external resistor (R1, R2).


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