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NCV8843 데이터시트(Datasheet) 2 Page - ON Semiconductor

부품명 NCV8843
상세내용  1.5 A, 340 kHz, Buck Regulator with Synchronization Capability
PDF  15 Pages
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제조사  ONSEMI [ON Semiconductor]
홈페이지  http://www.onsemi.com
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NCV8843
http://onsemi.com
2
Figure 1. Application Diagram, 4.5 V − 16 V to 3.3 V @ 1.0 A Converter
D2
Vout (3.3 V)
Vin (7 V to 16 V)
D1
R2
127
R3
205
+
U1
NC
NC
NC
NC
SYNC
NC
NC
NC
Vsw
SHDNB
NC
Vfb
Vc
BOOST
Vin
GND
+
R6
10k
SHDNB
SYNC
C3
100
mF
L1
27
mH
C1
1
mF
NCV8843
C4
0.1
mF
C5
0.1
mF
C2
330
mF
MAXIMUM RATINGS*
Rating
Value
Unit
Peak Transient Voltage (31 V Load Dump @ VIN = 14 V)
45
V
Operating Junction Temperature Range, TJ
−40 to 150
°C
Lead Temperature Soldering:
Reflow: (Note 1)
240 peak
(Note 2)
°C
Storage Temperature Range, TS
−65 to +150
°C
ESD
(Human Body Model)
(Machine Model)
(Charge Device Model)
2.0
200
>1.0
kV
V
kV
Package Thermal Resistance
SO−16 Junction−to−Case, RqJC
SO−16 Junction−to−Ambient, RqJA
18−Lead DFN Junction−to−Ambient, RqJA
16
57
35
°C/W
°C/W
°C/W
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.
*The maximum package power dissipation must be observed.
1. 60 second maximum above 183
°C.
2. −5
°C/0°C allowable conditions.
MAXIMUM RATINGS (Voltages are with respect to GND)
Pin Name
VMax
VMIN
ISOURCE
ISINK
VIN (DC)*
40 V
−0.3 V
N/A
4.0 A
BOOST
40 V
−0.3 V
N/A
100 mA
VSW
40 V
−0.6 V/−1.0 V, t < 50 ns
4.0 A
10 mA
VC
7.0 V
−0.3 V
1.0 mA
1.0 mA
SHDNB
7.0 V
−0.3 V
1.0 mA
1.0 mA
SYNC
7.0 V
−0.3 V
1.0 mA
1.0 mA
VFB
7.0 V
−0.3 V
1.0 mA
1.0 mA
*See table above for load dump.




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