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TC4429CPA 参数 Datasheet PDF下载

TC4429CPA图片预览
型号: TC4429CPA
PDF下载: 下载PDF文件 查看货源
内容描述: 6A高速MOSFET驱动器 [6A High-Speed MOSFET Drivers]
分类和应用: 驱动器MOSFET驱动器驱动程序和接口接口集成电路光电二极管
文件页数/大小: 20 页 / 343 K
品牌: MICROCHIP [ MICROCHIP TECHNOLOGY ]
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TC4420/TC4429
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 (typ.)
• CMOS/TTL Compatible Input
• Low Supply Current With Logic ‘1’ Input:
- 450 µA (typ.)
• Low Output Impedance: 2.5Ω
• Output Voltage Swing to Within 25 mV of Ground
or V
DD
• Space-Saving 8-Pin SOIC and 8-Pin 6x5 DFN
Packages
General Description
The TC4420/TC4429 are 6A (peak), single-output
MOSFET drivers. The TC4429 is an inverting driver
(pin-compatible with the TC429), while the TC4420 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 that
can be driven as high as V
DD
+ 0.3V or as low as –5V
without upset or damage to the device. This eliminates
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. Propagational
delay time is only 55 ns (typ.) and the output rise and fall
times are only 25 ns (typ.) into 2500 pF across the
usable power supply range.
Unlike other drivers, the TC4420/TC4429 are virtually
latch-up proof. They replace three or more discrete
components, saving PCB area, parts and improving
overall system reliability.
Applications
Switch-Mode Power Supplies
Motor Controls
Pulse Transformer Driver
Class D Switching Amplifiers
Package Types
(1)
8-Pin CERDIP/
PDIP/SOIC
V
DD
INPUT
NC
GND
1
2
3
4
8
TC4420
V
DD
OUTPUT
OUTPUT
GND
TC4429
V
DD
OUTPUT
OUTPUT
GND
V
DD
1
INPUT 2
NC 3
GND 4
8-Pin DFN
(2)
8
TC4420 TC4429
V
DD
V
DD
5-Pin TO-220
Tab is
Common
to V
DD
TC4420
TC4429
7
6
5
TC4420
TC4429
7
6
5
OUTPUT OUTPUT
OUTPUT OUTPUT
GND
GND
TC4420
TC4429
Note 1:
2:
Duplicate pins must both be connected for proper operation.
Exposed pad of the DFN package is electrically isolated.
2004 Microchip Technology Inc.
INPUT
GND
V
DD
GND
OUTPUT
DS21419C-page 1