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PDF TC4421 Data sheet ( Hoja de datos )
| Número de pieza | TC4421 | |
| Descripción | (TC4421 / TC4422) 9A HIGH-SPEED MOSFET DRIVERS | |
| Fabricantes | Microchip Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TC4421 (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
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M TC4421/TC4422
9A High-Speed MOSFET Drivers
Features
• Tough CMOS Construction
• High Peak Output Current: 9A
• High Continuous Output Current: 2A Max
• Fast Rise and Fall Times:
- 30nsec with 4,700pF Load
- 180nsec with 47,000pF Load
• Short Internal Delays: 30nsec Typ.
• Low Output Impedance: 1.4Ω Typ.
Applications
• Line Drivers for Extra-Heavily-Loaded Lines
• Pulse Generators
• Driving the Largest MOSFETs and IGBTs
• Local Power ON/OFF Switch
• Motor and Solenoid Driver
Device Selection Table
Part Number
TC4421CAT
TC4421CPA
TC4421EPA
TC4421MJA
TC4422CAT
TC4422CPA
TC4422EPA
TC4422MJA
Package
5-Pin TO-220
8-Pin PDIP
8-Pin PDIP
8-Pin CERDIP
5-Pin TO-220
8-Pin PDIP
8-Pin PDIP
8-Pin CERDIP
Temp. Range
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-55°C to +125°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-55°C to +125°C
Functional Block Diagram
300mV
Package Type
TO-220-5
8-Pin PDIP/CERDIP
TC4421
TC4422
VDD 1
INPUT 2
NC 3
GND 4
Tab is
Common
to VDD
TC4421
TC4422
8 VDD
7 OUTPUT
6 OUTPUT
5 GND
NC = No connection
NOTE: Duplicate pins must both be connected for proper operation.
General Description
The TC4421/TC4422 are high current buffer/drivers
capable of driving large MOSFETs and IGBTs.
They are essentially immune to any form of upset
except direct overvoltage or over-dissipation – they
cannot be latched under any conditions within their
power and voltage ratings; they are not subject to
damage or improper operation when up to 5V of ground
bounce is present on their ground terminals; they can
accept, without either damage or logic upset, more
than 1A inductive current of either polarity being forced
back into their outputs. In addition, all terminals are fully
protected against up to 4kV of electrostatic discharge.
The TC4421/TC4422 inputs may be driven directly
from either TTL or CMOS (3V to 18V). In addition,
300mV of hysteresis is built into the input, providing
noise immunity and allowing the device to be driven
from slowly rising or falling waveforms.
Inverting
VDD
Output
Input
GND
4.7V
Effective
Input
C = 25pF
Noninverting
TC4421/TC4422
Inverting/Noninverting
2002 Microchip Technology Inc.
DS21420B-page 1
1 page  
TC4421/TC4422
3.0 APPLICATIONS INFORMATION
FIGURE 3-1:
SWITCHING TIME TEST CIRCUITS
VDD = 18V
0.1µF
1
0.1µF
8
0.1µF
Input
26
TC4421
7
45
Output
CL = 10,000pF
+5V
Input
0V
+18V
Output
0V
10% tD1 tF
90%
10%
Input: 100kHz,
square wave,
tRISE = tFALL ≤ 10nsec
90%
tD2
tR
90%
10%
2002 Microchip Technology Inc.
DS21420B-page 5
5 Page 
TC4421/TC4422
Sales and Support
Data Sheets
Products supported by a preliminary Data Sheet may have an errata sheet describing minor operational differences and recom-
mended workarounds. To determine if an errata sheet exists for a particular device, please contact one of the following:
1. Your local Microchip sales office
2. The Microchip Corporate Literature Center U.S. FAX: (480) 792-7277
3. The Microchip Worldwide Site (www.microchip.com)
Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using.
New Customer Notification System
Register on our web site (www.microchip.com/cn) to receive the most current information on our products.
2002 Microchip Technology Inc.
DS21420B-page 11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet TC4421.PDF ] | |
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