Datasheet 搜索 > FET驱动器 > Microchip（微芯） > TC4424AVMF713 数据手册 > TC4424AVMF713 产品手册 1/22 页
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TC4424AVMF713 产品手册 - Microchip（微芯）
制造商:
Microchip（微芯）
分类:
FET驱动器
封装:
DFN-8
描述:
低边 MOSFET 灌:4.5A 拉:4.5A
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TC4424AVMF713数据手册
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© 2007 Microchip Technology Inc. DS21998B-page 1
TC4423A/TC4424A/TC4425A
Features
• High Peak Output Current: 4.5A (typical)
• Wide Input Supply Voltage Operating Range:
- 4.5V to 18V
• High Capacitive Load Drive Capability:
- 1800 pF in 12 ns
• Short Delay Times: 40 ns (typical)
• Matched Rise/Fall Times
• Low Supply Current:
- With Logic ‘1’ Input – 1.0 mA (maximum)
- With Logic ‘0’ Input – 150 µA (maximum)
• Low Output Impedance: 2.5Ω (typical)
• Latch-Up Protected: Will Withstand 1.5A Reverse
Current
• Logic Input Will Withstand Negative Swing Up To
5V
• Pin compatible with the TC4423/TC4424/TC4425
and TC4426A/TC4427A/TC4428A devices
• Space-saving 8-Pin 150 mil body SOIC and 8-Pin
6x5 DFN Packages
Applications
• Switch Mode Power Supplies
• Pulse Transformer Drive
• Line Drivers
• Direct Drive of Small DC Motors
General Description
The TC4423A/TC4424A/TC4425A devices are a family
of dual-output 3A buffers/MOSFET drivers. These
devices are improved versions of the earlier TC4423/
TC4424/TC4425 dual-output 3A driver family. This
improved version features higher peak output current
drive capability, lower shoot-throught current, matched
rise/fall times and propagation delay times. The
TC4423A/TC4424A/TC4425A devices are pin-
compatible with the existing TC4423/TC4424/TC4425
family. An 8-pin SOIC package option has been added
to the family. The 8-pin DFN package option offers
increased power dissipation capability for driving
heavier capacitive or resistive loads.
The TC4423A/TC4424A/TC4425A MOSFET drivers
can easily charge and discharge 1800 pF gate
capacitance in under 20 ns, provide low enough
impedances in both the on and off states to ensure the
MOSFET’s intended state will not be affected, even by
large transients.
The TC4423A/TC4424A/TC4425A inputs may be
driven directly from either TTL or CMOS (2.4V to 18V).
In addition, the 300 mV of built-in hysteresis provides
noise immunity and allows the device to be driven from
slow rising or falling waveforms.
The TC4423A/TC4424A/TC4425A dual-output 3A
MOSFET driver family is offerd with a -40
o
C to +125
o
C
temperature rating, making it useful in any wide
temperature range application.
Package Types
NC
IN A
GND
IN B
2
3
4
5
6
7
8
1
1
2
3
4
NC
5
6
7
8
OUT A
OUT B
NC
IN A
GND
IN B
V
DD
TC4423A
TC4424A
Note 1: Exposed pad of the DFN package is electrically isolated.
2: Duplicate pins must both be connected for proper operation
.
TC4423A TC4424A
NC
OUT A
OUT B
V
DD
TC4423A
TC4424A
TC4425A
NC
OUT A
OUT B
V
DD
TC4425A
TC4425A
NC
OUT A
OUT B
V
DD
TC4423A TC4424A
NC
OUT A
OUT B
V
DD
TC4425A
NC
OUT A
OUT B
V
DD
8-Pin PDIP/SOIC
8-Pin 6x5 DFN
(1
)
1
2
3
4
5
6
7
8
16
13
12
11
10
9
NC
IN A
NC
GND
GND
NC
IN B
NC
NC
OUT A
V
DD
V
DD
OUT B
OUT B
NC
OUT A
15
14
TC4423A
TC4424A
TC4425A
16-Pin SOIC (Wide
)
NC
OUT A
V
DD
V
DD
OUT B
OUT B
NC
OUT A
OUT A
V
DD
V
DD
OUT B
OUT B
NC
OUT A
TC4423A TC4424A TC4425A
NC
3A Dual High-Speed Power MOSFET Drivers
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