鈥?Low Output Impedance: 6鈩?/div>
鈥?Pinout Equivalent of DS0026 and MMH0026
鈥?Latch-Up Resistant: Withstands > 500mA
Reverse Current
鈥?ESD Protected: 2kV
TC426
6 V
DD
5 OUT B
8 NC
7 OUT A
2, 4
7, 5
TC427
6 V
DD
5 OUT B
8 NC
7 OUT A
Noninverting
2
7
TC428
6 V
DD
5 OUT B
4
5
Complementary
NC = No internal connection
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 25mV 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 voltage.
Input current is a low 1碌A(chǔ), making direct interface
to CMOS/bipolar switch-mode power supply control
ICs possible, 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
bipolar DS0026 device. This is important in DC-to-DC
converter applications with power efficiency constraints
and high-frequency switch-mode power supply
applications. Quiescent 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/
TC1427/TC1428,
TC4426/TC4427/TC4428
and
TC4426A/TC4427A/TC4428A.
Applications
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Switch Mode Power Supplies
Pulse Transformer Drive
Clock Line Driver
Coax Cable Driver
Device Selection Table
Part
Number
TC426COA
TC426CPA
TC426EOA
TC426EPA
TC426IJA
TC426MJA
TC427COA
TC427CPA
TC427EOA
TC427EPA
TC427IJA
TC427MJA
TC428COA
TC428CPA
TC428EOA
TC428EPA
TC428IJA
TC428MJA
Package
8-Pin SOIC
8-Pin PDIP
8-Pin SOIC
8-Pin PDIP
8-Pin CERDIP
8-Pin CERDIP
8-Pin SOIC
8-Pin PDIP
8-Pin SOIC
8-Pin PDIP
8-Pin CERDIP
8-Pin CERDIP
8-Pin SOIC
8-Pin PDIP
8-Pin SOIC
8-Pin PDIP
8-Pin CERDIP
8-Pin CERDIP
Configuration
Inverting
Inverting
Inverting
Inverting
Inverting
Inverting
Noninverting
Noninverting
Noninverting
Noninverting
Noninverting
Noninverting
Complementary
Complementary
Complementary
Complementary
Complementary
Complementary
Temp.
Range
0擄C to +70擄C
0擄C to +70擄C
-40擄C to +85擄C
-40擄C to +85擄C
-25擄C to +85擄C
-55擄C to +125擄C
0擄C to +70擄C
0擄C to +70擄C
-40擄C to +85擄C
-40擄C to +85擄C
-25擄C to +85擄C
-55擄C to +125擄C
0擄C to +70擄C
0擄C to +70擄C
-40擄C to +85擄C
-40擄C to +85擄C
-25擄C to +85擄C
-55擄C to +125擄C
錚?/div>
2002 Microchip Technology Inc.
DS21415B-page 1
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