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NCP1522 Fiches technique(PDF) 3 Page - ON Semiconductor

No de pièce NCP1522
Description  3.0 MHz, 600 mA, High−Efficiency, Low Quiescent Current, Adjustable Output Voltage Step−Down Converter
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Fabricant  ONSEMI [ON Semiconductor]
Site Internet  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP1522 Fiches technique(HTML) 3 Page - ON Semiconductor

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NCP1522
http://onsemi.com
3
PIN FUNCTION DESCRIPTION
Pin No.
Symbol
Function
Description
1
VIN
Analog Input
Power Supply Input for Analog VCC.
2
GND
Analog/Power Ground
Ground connection for the NFET Power Stage and the Analog Sections of the IC.
3
EN
Digital Input
Enable for Switching Regulator. This pin is active high. Do not float this pin.
4
FB
Analog Input
Feedback voltage from the output of the power supply. This is the input to the
error amplifier.
5
LX
Analog Output
Connection from Power MOSFETs to the Inductor. For one option, an output
discharge circuit sinks current from this pin.
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Minimum Voltage All Pins
Vmin
−0.3
V
Maximum Voltage All Pins (Note 1)
Vmax
7.0
V
Maximum Voltage Enable, FB, LX
Vmax
VIN + 0.3
V
Thermal Resistance, Junction −to−Air
RqJA
200
_C/W
Operating Ambient Temperature Range
TA
−40 to 85
_C
Storage Temperature Range
Tstg
−55 to 150
_C
Junction Operating Temperature
Tj
−40 to 125
_C
Latch−up Current Maximum Rating (TA = 85°C) (Note 2)
Lu
+/−100
mA
ESD Withstand Voltage (Note 3)
Human Body Model
Machine Model
Vesd
2.0
200
kV
V
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. According to JEDEC standard JESD22−A108B.
2. Latchup current maximum rating per JEDEC standard: JESD78.
3. This device series contains ESD protection and exceeds the following tests:
Human Body Model (HBM) per JEDEC standard: JESD22−A114.
Machine Model (MM) per JEDEC standard: JESD22−A115.


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