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FAN3227

更新时间： 2024-11-25 04:18:07

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		驱动器栅极栅极驱动
页数	文件大小	规格书
24页	1302K
描述
Dual 2A High-Speed, Low-Side Gate Drivers

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FAN3227 数据手册

May 2008

FAN3226 / FAN3227 / FAN3228 / FAN3229

Dual 2A High-Speed, Low-Side Gate Drivers

Features

Description

The FAN3226-29 family of dual 2A gate drivers is

designed to drive N-channel enhancement-mode

MOSFETs in low-side switching applications by

providing high peak current pulses during the short

switching intervals. The driver is available with either

TTL or CMOS input thresholds. Internal circuitry

provides an under-voltage lockout function by holding

the output low until the supply voltage is within the

operating range. In addition, the drivers feature

matched internal propagation delays between A and B

channels for applications requiring dual gate drives with

critical timing, such as synchronous rectifiers. This

enables connecting two drivers in parallel to effectively

double the current capability driving a single MOSFET.

Industry-Standard Pinouts

4.5 to 18V Operating Range

3A Peak Sink/Source at V_DD= 12V

2.4A Sink / 1.6A Source at V_OUT= 6V

Choice of TTL or CMOS Input Thresholds

Four Versions of Dual Independent Drivers:

Dual Inverting + Enable (FAN3226)

Dual Non-Inverting + Enable (FAN3227)

Dual Inputs in Two Pin Configurations:

Standard (FAN3228)

Alternate (FAN3229) for compatibility with TI

Internal Resistors Turn Driver Off If No Inputs

The FAN322X drivers incorporate MillerDrive™

architecture for the final output stage. This bipolar-

MOSFET combination provides high current during the

Miller plateau stage of the MOSFET turn-on / turn-off

process to minimize switching loss, while providing rail-

to-rail voltage swing and reverse current capability.

MillerDrive™ Technology

12ns / 9ns Typical Rise/Fall Times with 1nF Load

Typical Propagation Delay Under 20ns Matched

within 1ns to the Other Channel

The FAN3226 offers two inverting drivers and the

FAN3227 offers two non-inverting drivers. Each device

has dual independent enable pins that default to ON if

not connected. In the FAN3228 and FAN3229, each

channel has dual inputs of opposite polarity, which

allows configuration as non-inverting or inverting with an

optional enable function using the second input. If one

or both inputs are left unconnected, internal resistors

bias the inputs such that the output is pulled low to hold

the power MOSFET off.

Double Current Capability by Paralleling Channels

8-Lead 3x3mm MLP or 8-Lead SOIC Package

Rated from –40°C to +125°C Ambient

Applications

Switch-Mode Power Supplies

High-Efficiency MOSFET Switching

Synchronous Rectifier Circuits

DC-to-DC Converters

Motor Control

Servers

FAN3226

FAN3227

FAN3228

FAN3229

Figure 1. Pin Configurations

www.fairchildsemi.com

FAN3226 / FAN3227 / FAN3228 / FAN3229 • Rev. 1.0.3

12 3 4 5 6 7...24

中文翻译

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与FAN3227相关器件

型号	品牌	获取价格	描述	数据表
FAN3227_10	FAIRCHILD	获取价格	Dual 2A High-Speed, Low-Side Gate Drivers
FAN3227C	FAIRCHILD	获取价格	Application Review and Comparative Evaluation of Low-Side Gate Drivers
FAN3227CMPX	FAIRCHILD	获取价格	Dual 2A High-Speed, Low-Side Gate Drivers
FAN3227CMPX	ONSEMI	获取价格	Dual 2-A High-Speed, Low-Side Gate Drivers
FAN3227CMX	FAIRCHILD	获取价格	Dual 2A High-Speed, Low-Side Gate Drivers
FAN3227CMX	ONSEMI	获取价格	Dual 2-A High-Speed, Low-Side Gate Drivers
FAN3227CMX_12	FAIRCHILD	获取价格	Dual 2A High-Speed, Low-Side Gate Drivers
FAN3227CMX-F085	ONSEMI	获取价格	Dual 2-A High-Speed, Low-Side Gate Drivers
FAN3227T	FAIRCHILD	获取价格	Application Review and Comparative Evaluation of Low-Side Gate Drivers
FAN3227TMPX	FAIRCHILD	获取价格	Dual 2A High-Speed, Low-Side Gate Drivers

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