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參數(shù)資料
| 型號(hào)： | FAN53418 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Synchronous DC-DC MOSFET Driver |
| 中文描述： | 同步的DC - DC MOSFET驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 1/11頁(yè) |
| 文件大?。?/td> | 256K |
| 代理商： | FAN53418 |
www.fairchildsemi.com
REV. 1.0.0 6/11/03
Features
Drives N-channel High-Side and Low-Side MOSFETs in
a synchronous buck configuration
Internal Adaptive “Shoot-Through” Protection
High Switching Frequency (> 500kHz)
– 30ns Output Rise/Fall Times w/3000pF load
– 20ns Propagation Delay
12V High-Side and 12V Low-Side Drive
OD input for Output Disable – allows for synchronization
with PWM controller
SOIC-8 Package
Applications
Multi-phase VRM/VRD regulators for Microprocessor
Power
High Current/High Frequency DC/DC Converters
High Power Modular Power Supplies
General Description
The FAN53418 is a high frequency, dual MOSFET driver
specifically designed to drive two power N-Channel
MOSFETs in a synchronous rectified buck converter.
These drivers combined with a FAN53168 Multi-Phase Buck
PWM controller and power MOSFETs form a complete core
voltage regulator solution for advanced microprocessors.
The FAN53418 drives both the upper and lower gates in a
synchronous rectifier to +12V. The upper gate drive imple-
ments bootstrapping with only an external capacitor and
diode required. This reduces implementation complexity
and allows the use of higher performance, cost effective,
N-Channel MOSFETs.
The output drivers in the FAN53418 have the capacity to
efficiently switch power MOSFETs at frequencies over
500kHz. Each driver is capable of driving a 3000pF load
with a ~20ns propagation delay and ~30ns transition time.
Adaptive shoot-through protection is integrated to prevent
both MOSFETs from conducting simultaneously. Addition-
ally an Output Disable function is included to synchronize
the driver with the PWM controller. The FAN53418 is
rated for operation from 0°C to +85°C and is available in a
low-cost SOIC-8 package.
FAN53418
Synchronous DC-DC MOSFET Driver
Basic Application
Figure 1. Basic Application Circuit
FAN54318
1
2
4
3
8
7
5
6
DRVH
BST
IN
SW
PGND
DRVL
VCC
OD
D1
C
BST
Q2
C
VCC
L1
C
VIN
Q1
+12V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FAN53418 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| FAN53418M | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Synchronous DC-DC MOSFET Driver |
| FAN53418MX | 功能描述:功率驅(qū)動(dòng)器IC DC-DC MOSFET Driver Synchronous 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 |
| FAN5341AUMPX | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| FAN5341UMPX | 功能描述:功率驅(qū)動(dòng)器IC Asynchronous Series Boost LED Driver 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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