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PDF TC4403 Data sheet ( Hoja de datos )
| Número de pieza | TC4403 | |
| Descripción | Floating Load Driver | |
| Fabricantes | Microchip | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TC4403 (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
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M
TC4403
1.5A High-Speed, Floating Load Driver
Features
• Low Quiescent Current: 300µA Max
• Capacitive Inputs With 300mV Hysteresis
• Both Inputs Must Be Driven to Drive Load
• Low Output Leakage
• High Peak Current Capability
• Fast Output Rise Time
• Outputs Individually Testable
Applications
• Isolated Load Drivers
• Pulsers
• Safety Interlocks
Device Selection Table
Part Number
TC4403CPA
TC4403EPA
TC4403MJA
Package
8-Pin PDIP
8-Pin PDIP
8-Pin CERDIP
Temp. Range
0°C to +70°C
-40°C to +85°C
-55°C to +125°C
Package Type
8-Pin PDIP/CERDIP
NC 1
IN (VDD)
GND
2
3
IN (GND) 4
TC4403
8 NC
7 OUT (VDD)
6 VDD
5 OUT (GND)
General Description
The TC4403 is a modified version of the TC4425 driver,
intended to drive floating or isolated loads requiring
high-current pulses. The load is intended to be con-
nected between the outputs without other reference to
supply or ground. Then, only when both logic inputs
and the VDD input are energized, is power supplied to
the load. This construction allows the implementation
of a wide variety of redundant input controllers.
The low OFF-state output leakage and independence
of the two half-circuits permit a wide variety of testing
schemes to be utilized to assure functionality. The high
peak current capability, short internal delays, and fast
output rise and fall times ensure that sufficient power
will be available to the load when it is needed. The TTL
and CMOS compatible inputs allow operation from a
wide variety of input devices. The ability to swing the
inputs negative without affecting device performance
allows negative biases to be placed on the inputs for
greater safety. In addition, the capacitive nature of the
inputs allows the use of series resistors on the inputs
for extra noise suppression.
The TC4403 is built for outstanding ruggedness and
reliability in harsh applications. Input voltage excur-
sions above the supply voltage or below ground are
clamped internally without damaging the device. The
output stages are power MOSFETs with high-speed
body diodes to prevent damage to the driver from
inductive kickbacks.
2002 Microchip Technology Inc.
DS21417B-page 1
1 page  
TC4403
2.0 PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 2-1.
TABLE 2-1:
Pin No.
(8-Pin PDIP,
CERDIP)
1
2
3
4
5
6
7
8
PIN FUNCTION TABLE
Symbol
Description
NC
IN (VDD)
GND
IN (GND)
OUT (GND)
VDD
OUT (VDD)
NC
No connection.
Control input VDD, TTL/CMOS compatible logic input signal, controls OUT (VDD).
Ground.
Control Input GND, TTL/CMOS compatible logic input signal, controls OUT (GND).
Output GND, CMOS Pull Down Output.
Supply Input, 4.5V to 18V.
Output VDD, CMOS pull-up output.
No connection.
2002 Microchip Technology Inc.
DS21417B-page 5
5 Page 
TC4403
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.
DS21417B-page 11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet TC4403.PDF ] | |
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