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TC1428

更新时间： 2024-11-17 22:49:55
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美国微芯 - MICROCHIP 驱动器
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14页 455K
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1.2A Dual High-Speed MOSFET Drivers

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TC1428 数据手册

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TC1426/TC1427/TC1428  
M
1.2A Dual High-Speed MOSFET Drivers  
Features  
Package Type  
8-Pin PDIP/SOIC  
• Low Cost  
NC  
1
8
NC  
OUT A IN A  
NC  
1
2
3
4
8
7
6
5
NC  
OUT A IN A  
• Latch-Up Protected: Will Withstand 500mA  
Reverse Output Current  
NC  
1
2
3
4
8
7
6
5
NC  
IN A  
2
3
7
6
OUT A  
TC1426CPA  
TC1427CPA  
TC1428CPA  
GND  
V
DD  
GND  
IN B  
V
DD  
GND  
IN B  
V
DD  
• ESD Protected ±2kV  
• High Peak Output Current: 1.2A  
• Wide Operating Range  
- 4.5V to 16V  
IN B  
4
5
OUT B  
OUT B  
OUT B  
2, 4  
7, 5  
2, 4  
7, 5  
2
4
7
5
Noninverting  
Inverting  
NC  
IN A  
GND  
1
2
3
8
7
6
NC  
NC  
IN A  
GND  
IN B  
1
2
3
4
8
7
6
5
NC  
NC  
1
4
8
7
6
5
NC  
• High Capacitive Load Drive Capability: 1000pF in  
38nsec  
OUT A  
OUT A  
OUT A  
TC1426COA  
TC1427COA  
TC1428COA  
V
V
V
DD  
DD  
DD  
IN B  
4
5
OUT B  
OUT B  
IN B  
OUT B  
• Low Delay Time: 75nsec Max  
2, 4  
7, 5  
2, 4  
Inverting  
NC = No connection  
7, 5  
2
7
5
• Logic Input Threshold Independent of Supply  
Voltage  
Noninverting  
4
• Output Voltage Swing to Within 25mV of Ground  
or VDD  
General Description  
• Low Output Impedance: 8Ω  
The TC1426/TC1427/TC1428 are a family of 1.2A dual  
high-speed drivers. CMOS fabrication is used for low  
power consumption and high efficiency.  
Applications  
• Power MOSFET Drivers  
• Switched Mode Power Supplies  
• Pulse Transformer Drive  
• Small Motor Controls  
These devices are fabricated using an epitaxial layer to  
effectively short out the intrinsic parasitic transistor  
responsible for CMOS latch-up. They incorporate a  
number of other design and process refinements to  
increase their long-term reliability.  
• Print Head Drive  
Device Selection Table  
The TC1426 is compatible with the bipolar DS0026, but  
only draws 1/5 of the quiescent current. The TC1426/  
TC1427/TC1428 are also compatible with the TC426/  
TC427/TC428, but with 1.2A peak output current rather  
than the 1.5A of the TC426/TC427/TC428 devices.  
Part Number  
Package  
Temp. Range  
TC1426COA  
TC1426CPA  
TC1427COA  
TC1427CPA  
TC1428COA  
TC1428CPA  
8-Pin SOIC  
8-Pin PDIP  
8-Pin SOIC  
8-Pin PDIP  
8-Pin SOIC  
8-Pin PDIP  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
Other compatible drivers are the TC4426/TC4427/  
TC4428 and the TC4426A/TC4427A/TC4428A. The  
TC4426/TC4427/TC4428 have the added feature that  
the inputs can withstand negative voltage up to 5V with  
diode protection circuits. The TC4426A/TC4427A/  
TC4428A have matched input to output leading edge  
and falling edge delays, tD1 and tD2, for processing  
short duration pulses in the 25 nanoseconds range. All  
of the above drivers are pin compatible.  
The high-input impedance TC1426/TC1427/TC1428  
drivers are CMOS/TTL input-compatible, do not require  
the speed-up needed by the bipolar devices, and can  
be directly driven by most PWM ICs.  
This family of devices is available in inverting and non-  
inverting versions. Specifications have been optimized  
to achieve low-cost and high-performance devices,  
well-suited for the high-volume manufacturer.  
2002 Microchip Technology Inc.  
DS21393B-page 1  
1234567...14

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