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TC4426_13 PDF预览

TC4426_13

更新时间: 2024-11-12 12:27:19
品牌 Logo 应用领域
美国微芯 - MICROCHIP 驱动器
页数 文件大小 规格书
20页 356K
描述
1.5A Dual High-Speed Power MOSFET Drivers

TC4426_13 数据手册

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TC4426/TC4427/TC4428  
1.5A Dual High-Speed Power MOSFET Drivers  
General Description:  
Features:  
• High Peak Output Current – 1.5A  
• Wide Input Supply Voltage Operating Range:  
- 4.5V to 18V  
The TC4426/TC4427/TC4428 are improved versions  
of the earlier TC426/TC427/TC428 family of MOSFET  
drivers. The TC4426/TC4427/TC4428 devices have  
matched rise and fall times when charging and  
discharging the gate of a MOSFET.  
• High Capacitive Load Drive Capability – 1000 pF  
in 25 ns (typ.)  
These devices are highly latch-up resistant under any  
conditions within their power and voltage ratings. They  
are not subject to damage when up to 5V of noise spik-  
ing (of either polarity) occurs on the ground pin. They  
can accept, without damage or logic upset, up to  
500 mA of reverse current (of either polarity) being  
forced back into their outputs. All terminals are fully  
protected against Electrostatic Discharge (ESD) up to  
4 kV.  
• Short Delay Times – 40 ns (typ.)  
• Matched Rise and Fall Times  
• Low Supply Current:  
- With Logic ‘1’ Input – 4 mA  
- With Logic ‘0’ Input – 400 A  
• Low Output Impedance – 7  
• Latch-Up Protected: Will Withstand 0.5A Reverse  
Current  
The TC4426/TC4427/TC4428 MOSFET drivers can  
easily charge/discharge 1000 pF gate capacitances in  
under 30 ns. These devices 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.  
• Input Will Withstand Negative Inputs Up to 5V  
• ESD Protected – 4 kV  
• Pin-compatible with the TC426/TC427/TC428  
• Space-saving 8-Pin MSOP and 8-Pin 6x5 DFN  
Packages  
Other compatible drivers are the TC4426A/TC4427A/  
TC4428A family of devices. The TC4426A/TC4427A/  
TC4428A devices have matched leading and falling  
edge input-to-output delay times, in addition to the  
matched rise and fall times of the TC4426/TC4427/  
TC4428 devices.  
Applications:  
• Switch Mode Power Supplies  
• Line Drivers  
• Pulse Transformer Drive  
Package Types  
8-Pin MSOP/  
PDIP/SOIC TC4426 TC4427 TC4428  
8-Pin DFN(1) TC4426 TC4427 TC4428  
NC  
NC 1  
IN A 2  
GND 3  
IN B 4  
8
7
6
5
NC  
NC  
1
2
3
4
8
7
6
5
NC  
IN A  
GND  
IN B  
NC  
NC  
NC  
TC4426  
TC4427  
TC4428  
OUT A  
OUT A  
OUT A  
TC4426  
TC4427  
TC4428  
OUT A  
OUT A  
OUT A  
V
V
V
DD  
DD  
DD  
V
OUT B  
V
V
OUT B  
OUT B  
DD  
DD  
DD  
OUT B  
OUT B  
OUT B  
Note 1: Exposed pad of the DFN package is electrically isolated.  
2002-2012 Microchip Technology Inc.  
DS21422E-page 1  

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