Datasheet > FAN3121TMX_F085_12

FAN3121TMX_F085_12

更新时间： 2022-04-18 17:58:19

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
20页	1193K
描述
Single 9A High-Speed, Low-Side Gate Driver

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February 2012

FAN3121 / FAN3122_F085

Single 9A High-Speed, Low-Side Gate Driver

Features

Description

The FAN3121 and FAN3122 MOSFET drivers are

designed to drive N-channel enhancement MOSFETs in

low-side switching applications by providing high peak

current pulses. The drivers are available with either TTL

(FAN312xT) or CMOS (FAN312xC) input thresholds.

Internal circuitry provides an under-voltage lockout

function by holding the output low until the supply

voltage is within the operating range.

Qualified to AEC Q-100

4.5 to 18V Operating Range

11.4A Peak Sink at V_DD= 12V

9.7A Sink / 7.1A Source at V_OUT= 6V

Inverting Configuration (FAN3121) and

Non-Inverting Configuration (FAN3122)

Internal Resistors Turn Driver Off If No Inputs

23ns/19ns Typical Rise/Fall Times with 10nF Load

20ns Typical Propagation Delay Time

Choice of TTL or CMOS Input Thresholds

MillerDrive™ Technology

FAN312x drivers incorporate the MillerDrive™

architecture for the final output stage. This bipolar /

MOSFET combination provides the highest peak current

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

turn-off process.

The FAN3121 and FAN3122 drivers implement an

enable function on pin 3 (EN), previously unused in the

industry-standard pin-out. The pin is internally pulled up

to V_DDfor active HIGH logic and can be left open for

standard operation.

8-Lead SOIC Package

Rated from –40°C to +125°C

Applications

Synchronous Rectifier Circuits

High-Efficiency MOSFET Switching

Switch-Mode Power Supplies

DC-to-DC Converters

Motor Control

VDD

OUT

GND

OUT

GND

Figure 1. FAN3121 Pin Configuration

Figure 2. FAN3122 Pin Configuration

FAN3121 / FAN3122_F085 • Rev. 1.0.0

www.fairchildsemi.com

12 3 4 5 6 7...20

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