TTL input, single non-inverting output, peak 11.4A sink, 10.6A source current Low-Side Gate Driver

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Overview

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.
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 VDD for active HIGH logic and can be left open for standard operation.
The FAN3121/22 is available in a 3x3mm 8-lead thermally-enhanced MLP package or an 8-lead SOIC package.

  • AC-DC Merchant Power Supply - Servers & Workstations
  • Industry-Standard Pin-out with Enable Input
  • 4.5 to 18V Operating Range
  • 11.4A Peak Sink at VDD = 12V
  • 9.7A Sink / 7.1A Source at VOUT = 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
  • Available in Thermally Enhanced 3x3mm 8-Lead MLP or 8-Lead SOIC Package (Pb-Free Finish)
  • Rated from –40°C to +125°C

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Reference Price

FAN3122TMPX

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Active

CAD Model

Pb

A

H

P

WDFN-8

1

260

REEL

3000

Y

MOSFET

1

Single

Non-Isolated

-

18

23

19

11.4

10.6

23

23

-

$0.7465

More Details

FAN3122TMX

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Active

CAD Model

Pb

A

H

P

SOIC-8

1

260

REEL

2500

Y

MOSFET

1

Single

Non-Isolated

-

18

23

19

11.4

10.6

23

23

-

$0.7568

More Details

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