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NCV51411 Fiches technique(PDF) 2 Page - ON Semiconductor

No de pièce NCV51411
Description  1.5 A, 260 kHz, Low Voltage Buck Regulator with Synchronization Capability
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Fabricant  ONSEMI [ON Semiconductor]
Site Internet  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCV51411 Fiches technique(HTML) 2 Page - ON Semiconductor

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NCV51411
http://onsemi.com
2
SYNC
VFB
VSW
2
GND
SHDNB
NCV51411
1N4148
3.3 V
D3
15 mH
VIN
100 mF
100 mF
0.1 mF
Figure 1. Application Diagram, 4.5 V − 16 V to 3.3 V @ 1.0 A Converter
C1
C3
R1
R2
C4
0.1 mF
SYNC
Shutdown
L1
C2
4.5 V − 16 V
D1
205
127
1
3
7
6
8
4
5
1N5821
BOOST
U1
VC
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−8 Junction−to−Case, RqJC
SO−8 Junction−to−Ambient, RqJA
SO−16 Junction−to−Case, RqJC
SO−16 Junction−to−Ambient, RqJA (Note 3)
18−Lead DFN Junction−to−Ambient, RqJA (Note 3)
45
165
16
35
38
°C/W
°C/W
°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.
3. 4 layer board, 1 oz copper outer layers, 0.5 oz copper inner layers, 600 sqmm copper area
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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