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TelCom Semiconductor - CMOS POWER MOSFET DRIVER

Numéro de référence TC429
Description CMOS POWER MOSFET DRIVER
Fabricant TelCom Semiconductor 
Logo TelCom Semiconductor 





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TC429 fiche technique
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TC429
6A SINGLE HIGH-SPEED, CMOS POWER MOSFET DRIVER
FEATURES
s High Peak Output Current .................................. 6A
s Wide Operating Range ............................. 7V to 18V
s High-Impedance CMOS Logic Input
s Logic Input Threshold Independent of
Supply Voltage
s Low Supply Current
— With Logic 1 Input ................................ 5mA Max
— With Logic 0 Input ............................. 0.5mA Max
s Output Voltage Swing Within 25 mV of Ground
or VDD
s Short Delay Time .................................. 75nsec Max
s High Capacitive Load Drive Capability
— tRISE, tFALL = 35nsec Max With CLOAD = 2500pF
APPLICATIONS
s Switch-Mode Power Supplies
s CCD Drivers
s Pulse Transformer Drive
s Class D Switching Amplifiers
PIN CONFIGURATION
VDD 1
INPUT 2
8 VDD
7 OUTPUT
NC 3
6 OUTPUT
GND 4
TC429
5 GND
NC = NO INTERNAL CONNECTION
NOTE: Duplicate pins must both be connected for proper operation.
TYPICAL APPLICATION
GENERAL DESCRIPTION
The TC429 is a high-speed, single CMOS-level transla-
tor and driver. Designed specifically to drive highly capaci-
tive power MOSFET gates, the TC429 features 2.5output
impedance and 6A peak output current drive.
A 2500pF capacitive load will be driven 18V in 25nsec.
Delay time through the device is 60nsec. The rapid switching
times with large capacitive loads minimize MOSFET transi-
tion power loss.
A TTL/CMOS input logic level is translated into an
output voltage swing that equals the supply and will swing
to within 25mV of ground or VDD. Input voltage swing may
equal the supply. Logic input current is under 10µA, making
direct interface to CMOS/bipolar switch-mode power supply
controllers easy. Input "speed-up" capacitors are not
required.
The CMOS design minimizes quiescent power supply
current. With a logic 1 input, power supply current is 5mA
maximum and decreases to 0.5mA for logic 0 inputs.
For dual devices, see the TC426/TC427/TC428
data sheet.
For noninverting applications, or applications requiring
latch-up protection, see the TC4420/TC4429 data sheet.
ORDERING INFORMATION
Part No.
TC429CPA
TC429EPA
TC429MJA
Package
8-Pin Plastic DIP
8-Pin Plastic DIP
8-Pin CerDIP
Temperature
Range
0°C to +70°C
– 40°C to +85°C
– 55°C to +125°C
1,8
VDD
2
3
4
5
6
300mV
6,7
OUTPUT
7
2
INPUT
GND
4,5
EFFECTIVE
INPUT
C = 38pF
TELCOM SEMICONDUCTOR, INC.
TC429
8
TC429-4 10/11/96
4-175

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