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TC426 Datasheet(PDF) 1 Page - TelCom Semiconductor, Inc

Part No. TC426
Description  1.5A DUAL HIGH-SPEED POWER MOSFET DRIVERS
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Maker  TELCOM [TelCom Semiconductor, Inc]
Homepage  http://www.telcom-semi.com
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TC426 Datasheet(HTML) 1 Page - TelCom Semiconductor, Inc

   
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4-169
TELCOM SEMICONDUCTOR, INC.
7
6
5
4
3
1
2
8
TC426
TC427
TC428
PIN CONFIGURATIONS (DIP and SOIC)
TC426
1
2
3
4
NC
5
6
7
8
OUT A
OUT B
NC
IN A
GND
IN B
VDD
NC = NO INTERNAL CONNECTION
2, 4
7, 5
INVERTING
TC427
1
2
3
4
NC
5
6
7
8
OUT A
OUT B
NC
IN A
GND
IN B
2, 4
7, 5
NONINVERTING
TC428
1
2
3
4
NC
5
6
7
8
OUT A
OUT B
NC
IN A
GND
IN B
27
45
VDD
VDD
COMPLEMENTARY
INPUT
V+
2.5mA
500
µA
INVERTING
OUTPUT
NONINVERTING
OUTPUT
(TC426)
(TC427)
TC426
TC427
TC428
1.5A DUAL HIGH-SPEED POWER MOSFET DRIVERS
FEATURES
s High-Speed Switching (CL = 1000pF) ........... 30nsec
s High Peak Output Current ................................. 1.5A
s High Output Voltage Swing .................. VDD – 25mV
GND + 25mV
s Low Input Current (Logic "0" or "1") ................ 1
µA
s TTL/CMOS Input Compatible
s Available in Inverting and Noninverting
Configurations
s Wide Operating Supply Voltage ............ 4.5V to 18V
s Current Consumption
— Inputs Low .................................................. 0.4mA
— Inputs High .................................................... 8mA
s Single Supply Operation
s Low Output Impedance ........................................ 6
s Pinout Equivalent of DS0026 and MMH0026
s Latch-Up Resistant: Withstands > 500mA
Reverse Current
s ESD Protected ......................................................2kV
FUNCTIONAL BLOCK DIAGRAM
Note: The TC428 has one inverting and one noninverting
driver. Ground any unused driver input.
TC426/7/8-7
10/11/96
GENERAL DESCRIPTION
The TC426/TC427/TC428 are dual CMOS high-speed
drivers. A TTL/CMOS input voltage level is translated into
a rail-to-rail output voltage level swing. The CMOS output
is within 25 mV of ground or positive supply.
The low impedance, high-current driver outputs swing
a 1000pF load 18V in 30nsec. The unique current and
voltage drive qualities make the TC426/TC427/TC428 ideal
power MOSFET drivers, line drivers, and DC-to-DC
converter building blocks.
Input logic signals may equal the power supply volt-
age. Input current is a low 1
µA, making direct interface to
CMOS/bipolar switch-mode power supply control ICs pos-
sible, as well as open-collector analog comparators.
Quiescent power supply current is 8mA maximum. The
TC426 requires 1/5 the current of the pin-compatible bipo-
lar DS0026 device. This is important in DC-to-DC con-
verter applications with power efficiency constraints and
high-frequency switch-mode power supply applications. Qui-
escent current is typically 6mA when driving a 1000pF load
18V at 100kHz.
The inverting TC426 driver is pin-compatible with the
bipolar DS0026 and MMH0026 devices. The TC427 is
noninverting; the TC428 contains an inverting and non-
inverting driver.
Other pin compatible driver families are the TC1426/
27/28, TC4426/27/28, and TC4426A/27A/28A.
ORDERING INFORMATION
Temperature
Part No.
Package
Configuration
Range
TC426COA
8-Pin SOIC
Inverting
0
°C to +70°C
TC426CPA
8-Pin PDIP
Inverting
0
°C to +70°C
TC426EOA
8-Pin SOIC
Inverting
–40
°C to +85°C
TC426EPA
8-Pin SOIC
Complementary
–40
°C to +85°C
TC426IJA
8-Pin CerDIP
Inverting
–25
°C to +85°C
TC426MJA
8-Pin CerDIP
Inverting
–55
°C to +125°C
TC427COA
8-Pin SOIC
Noninverting
0
°C to +70°C
TC427CPA
8-Pin PDIP
Noninverting
0
°C to +70°C
TC427EOA
8-Pin SOIC
Noninverting
–40
°C to +85°C
TC427EPA
8-Pin SOIC
Complementary
–40
°C to +85°C
TC427IJA
8-Pin CerDIP
Noninverting
–25
°C to +85°C
TC427MJA
8-Pin CerDIP
Noninverting
–55
°C to +125°C
TC428COA
8-Pin SOIC
Complementary
0
°C to +70°C
TC428CPA
8-Pin PDIP
Complementary
0
°C to +70°C
TC428EOA
8-Pin SOIC
Complementary
–40
°C to +85°C
TC428EPA
8-Pin SOIC
Complementary
–40
°C to +85°C
TC428IJA
8-Pin CerDIP
Complementary
–25
°C to +85°C
TC428MJA
8-Pin CerDIP
Complementary
–55
°C to +125°C


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