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參數(shù)資料
| 型號(hào)： | NCP5351 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | 4 A Synchronous Buck Power MOSFET Driver |
| 中文描述： | 4同步降壓功率MOSFET驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 1/14頁(yè) |
| 文件大小： | 184K |
| 代理商： | NCP5351 |
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Semiconductor Components Industries, LLC, 2004
June, 2004 Rev. 9
1
Publication Order Number:
NCP5351/D
NCP5351
4 A Synchronous Buck
Power MOSFET Driver
The NCP5351 is a dual MOSFET gate driver optimized to drive the
gates of both highside and lowside Power MOSFETs in a
Synchronous Buck converter. The NCP5351 is an excellent
companion to multiphase controllers that do not have integrated gate
drivers, such as ON Semiconductor’s CS5323, CS5305 or CS5307.
This architecture provides a power supply designer the flexibility to
locate the gate drivers close to the MOSFETs.
The 4.0 A drive capability makes the NCP5351 ideal for minimizing
switching losses in MOSFETs with large input capacitance. Optimized
internal, adaptive nonoverlap circuitry further reduces switching
losses by preventing simultaneous conduction of both MOSFETs.
The floating top driver design can accommodate MOSFET drain
voltages as high as 25 V. Both gate outputs can be driven low, and
supply current reduced to less than 25 A, by applying a low logic
level to the Enable (EN) pin. An undervoltage lockout function
ensures that both driver outputs are low when the supply voltage is
low, and a thermal shutdown function provides the IC with
overtemperature protection.
The NCP5351 is pintopin compatible with the SC1205 and is
available in a standard SO8 package and thermally enhanced
QFN10.
Features
4.0 A Peak Drive Current
Rise and Fall Times < 15 ns Typical into 6000 pF
Propagation Delay from Inputs to Outputs < 20 ns
Adaptive Nonoverlap Time Optimized for Large Power MOSFETs
Floating Top Driver Accommodates Applications Up to 25 V
Undervoltage Lockout to Prevent Switching when the Input
Voltage is Low
Thermal Shutdown Protection Against Overtemperature
< 1.0 mA Quiescent Current Enabled
25 A Quiescent Current Disabled
Internal TG to DRN Pulldown Resistor Prevents HV SupplyInduced
Turn On of HighSide MOSFET
Device
Package
Shipping
ORDERING INFORMATION
SO8
98 Units/Rail
SO8
2500 Tape & Reel
NCP5351D
NCP5351DR2
A
L
Y
W
= Assembly Location
= Wafer Lot
= Year
= Work Week
MARKING
DIAGRAMS
PIN CONNECTIONS
SO8
D SUFFIX
CASE 751
EN
CO
1
8
V
S
BST
BG
TG
PGND
DRN
http://onsemi.com
5351
ALYW
1
8
1
8
QFN10
MN SUFFIX
CASE 485C
5351
ALYW
1
DRN
TG
N/C
BST
CO
GND
BG
N/C
V
S
EN
1
10
QFN10
SO8
1
10
QFN10
2500 Tape & Reel
NCP5351MNR2
For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| NCP5351D | 4 A Synchronous Buck Power MOSFET Driver |
| NCP5351DR2 | 4 A Synchronous Buck Power MOSFET Driver |
| NCP5355 | 12 V Synchronous Buck Power MOSFET Driver |
| NCP5355D | 12 V Synchronous Buck Power MOSFET Driver |
| NCP5355DR2 | 12 V Synchronous Buck Power MOSFET Driver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NCP5351/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4A Synchronous Buck Power Mosfet Driver |
| NCP5351D | 功能描述:功率驅(qū)動(dòng)器IC 5V 4A Dual MOSFET RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| NCP5351DG | 功能描述:功率驅(qū)動(dòng)器IC 5V 4A Dual MOSFET RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| NCP5351DR2 | 功能描述:功率驅(qū)動(dòng)器IC 5V 4A Dual MOSFET RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| NCP5351DR2G | 功能描述:功率驅(qū)動(dòng)器IC 5V 4A Dual MOSFET RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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