TC4420MJA【PDF 1/18 页】IC MOSFET DRIVER 6A HS 8CDIP

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TC4420M/TC4429M

6A High-Speed MOSFET Drivers

Features

? Latch-Up Protected: Will Withstand >1.5A

Reverse Output Current

? Logic Input: Will Withstand Negative Swing

Up To 5V

? ESD Protected: 4 kV

? Matched Rise and Fall Times:

- 25 ns (2500 pF load)

? High Peak Output Current: 6A

? Wide Input Supply Voltage Operating Range:

- 4.5V to 18V

? High Capacitive Load Drive Capability: 10,000 pF

? Short Delay Time: 55 ns (typical)

? CMOS/TTL-Compatible Input

? Low Supply Current With Logic ‘ 1 ’ Input:

- 450 μA (typical)

? Low Output Impedance: 2.5 ?

? Output Voltage Swing to Within 25 mV of Ground

or V DD

? Wide Operating Temperature Range:

- -55°C to +125°C

? See TC4420/TC4429 Data Sheet (DS21419) for

additional temperature range and package

offerings.

Applications

General Description

The TC4420M/TC4429M are 6A (peak), single-output

MOSFET drivers. The TC4429M is an inverting driver

(pin-compatible with the TC429M), while the TC4420M

is a non-inverting driver. These drivers are fabricated in

CMOS for lower power and more efficient operation

versus bipolar drivers.

Both devices have TTL/CMOS-compatible inputs,

which can be driven as high as V DD + 0.3V or as low as

-5V without upset or damage to the device. This elimi-

nates the need for external level-shifting circuitry and

its associated cost and size. The output swing is rail-to-

rail, ensuring better drive voltage margin, especially

during power-up/power-down sequencing. The propa-

gational delay time is only 55 ns (typical), while the out-

put rise and fall times are only 25 ns (typical) into

2500 pF across the usable power supply range.

Unlike other drivers, the TC4420M/TC4429M are virtu-

ally latch-up proof. They replace three or more discrete

components, saving PCB area and parts while

improving overall system reliability.

Package Types:

8-Pin CERDIP

TC4420M

Switch-mode Power Supplies

Motor Controls

Pulse Transformer Driver

Class D Switching Amplifiers

V DD 1

INPUT 2

NC 3

GND 4

8 V DD

7 OUTPUT

6 OUTPUT

5 GND

TC4429M

V DD 1

INPUT 2

NC 3

GND 4

8 V DD

7 OUTPUT

6 OUTPUT

5 GND

? 2005-2012 Microchip Technology Inc.

Note:

Duplicate pins must both be connected for

proper operation.

DS21933B-page 1

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