NCV4276B(2010) Ver la hoja de datos (PDF) - ON Semiconductor
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NCV4276B Datasheet PDF : 12 Pages
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NCV4276B
PIN FUNCTION DESCRIPTION
Pin No. Symbol
Description
1
I
Input; Battery Supply Input Voltage.
2
INH
Inhibit; Set low−to inhibit.
3
GND
Ground; Pin 3 internally connected to heatsink.
4
VA
Voltage Adjust Input; use an external voltage divider to set the output voltage
5
Q
Output: Bypass with a capacitor to GND. See Figures NO TAG to 3 and Regulator Stability Considerations sec-
tion.
MAXIMUM RATINGS*
Rating
Symbol
Min
Max
Unit
Input Voltage
Input Peak Transient Voltage
Inhibit INH Voltage
Voltage Adjust Input VA
Output Voltage
Ground Current
Input Voltage Operating Range
VI
−42
45
V
VI
−
45
V
VINH
−42
45
V
VVA
−0.3
10
V
VQ
−1.0
40
V
Iq
−
100
mA
VI
VQ + 0.5 V or 4.5 V
40
V
(Note 1)
ESD Susceptibility
(Human Body Model)
−
4.0
−
kV
(Machine Model)
−
250
−
V
Junction Temperature
TJ
−40
150
°C
Storage Temperature
Tstg
−50
150
°C
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.
*During the voltage range which exceeds the maximum tested voltage of I, operation is assured, but not specified. Wider limits may apply. Thermal
dissipation must be observed closely.
LEAD TEMPERATURE SOLDERING REFLOW (Note 2)
Lead Temperature Soldering
Reflow (SMD styles only), Leaded, 60−150 s above 183, 30 s max at peak
Reflow (SMD styles only), Lead Free, 60−150 s above 217, 40 s max at peak
Wave Solder (through hole styles only), 12 sec max
TSLD
°C
−
240
−
265
−
310
THERMAL CHARACTERISTICS
Characteristic
Test Conditions (Typical Value)
Unit
Min Pad Board (Note 3)
1, Pad Board (Note 4)
Junction−to−Tab (psi−JLx, yJLx)
4.2
Junction−to−Ambient (RqJA, qJA)
100.9
1. Minimum VI = 4.5 V or (VQ + 0.5 V), whichever is higher.
2. Per IPC / JEDEC J−STD−020C.
3. 1 oz. copper, 0.26 inch2 (168 mm2) copper area, 0.062″ thick FR4.
4. 1 oz. copper, 1.14 inch2 (736 mm2) copper area, 0.062″ thick FR4.
4.7
C/W
46.8
C/W
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