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PDF TC4428 Data sheet ( Hoja de datos )
| Número de pieza | TC4428 | |
| Descripción | (TC4426 - TC4428) 1.5A DUAL HIGH-SPEED POWER MOSFET DRIVERS | |
| Fabricantes | TelCom Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TC4428 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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1TC4426
TC4427
TC4428
1.5A DUAL HIGH-SPEED, POWER MOSFET DRIVERS
FEATURES
s High Peak Output Current ............................... 1.5A
s Wide Operating Range .......................... 4.5V to 18V
s High Capacitive Load
Drive Capability ........................ 1000 pF in 25 nsec
s Short Delay Time ................................ <40nsec Typ
s Consistent Delay Times With Changes in
Supply Voltage
s Low Supply Current
— With Logic “1” Input .................................... 4mA
— With Logic “0” Input ................................. 400µA
s Low Output Impedance ....................................... 7Ω
s Latch-Up Protected: Will Withstand >0.5A
Reverse Current ................................. Down to – 5V
s Input Will Withstand Negative Inputs
s ESD Protected .....................................................4kV
s Pinout Same as TC426/TC427/TC428
ORDERING INFORMATION
Part No.
TC4426COA
TC4426CPA
TC4426EOA
TC4426EPA
TC4426MJA
TC4427COA
TC4427CPA
TC4427EOA
TC4427EPA
TC4427MJA
TC4428COA
TC4428CPA
TC4428EOA
TC4428EPA
TC4428MJA
Package
8-Pin SOIC
8-Pin Plastic DIP
8-Pin SOIC
8-Pin Plastic DIP
8-Pin CerDIP
8-Pin SOIC
8-Pin Plastic DIP
8-Pin SOIC
8-Pin Plastic DIP
8-Pin CerDIP
8-Pin SOIC
8-Pin Plastic DIP
8-Pin SOIC
8-Pin Plastic DIP
8-Pin CerDIP
Temperature
Range
0°C to +70°C
0°C to +70°C
– 40°C to +85°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
– 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
– 40°C to +85°C
– 55°C to +125°C
GENERAL DESCRIPTION
The TC4426/4427/4428 are improved versions of the
earlier TC426/427/428 family of buffer/drivers (with which
they are pin compatible). They will not latch up under any
conditions within their power and voltage ratings. They are
not subject to damage when up to 5V of noise spiking (of
either polarity) occurs on the ground pin. They can accept,
without damage or logic upset, up to 500mA of reverse
current (of either polarity) being forced back into their
outputs. All terminals are fully protected against up to 4kV of
electrostatic discharge.
As MOSFET drivers, the TC4426/4427/4428 can easily
switch 1000 pF gate capacitances in under 30nsec, and
provide low enough impedances in both the ON and OFF
states to ensure the MOSFET's intended state will not be
affected, even by large transients.
Other compatible drivers are the TC4426A/27A/28A.
These drivers have matched input to output leading edge
and falling edge delays, tD1 and tD2, for processing short
duration pulses in the 25 nanoseconds range. They are pin
compatible with the TC4426/27/28.
FUNCTIONAL BLOCK DIAGRAM
INVERTING
OUTPUTS
VDD
INPUT
300 mV
NONINVERTING
OUTPUTS
4.7V TC4426/TC4427/TC4428
OUTPUT
GND
EFFECTIVE INPUT
C = 12 pF
NOTES: 1.TC4426 has 2 inverting drivers; TC4427 has 2 noninverting drivers.
2. TC4428 has one inverting and one noninverting driver.
3. Ground any unused driver input.
2
3
4
5
6
7
TELCOM SEMICONDUCTOR, INC.
TC4426/7/8-8 10/21/96
4-245
8
1 page  
1.5A DUAL HIGH-SPEED
POWER MOSFET DRIVERS
TYPICAL CHARACTERISTICS (Cont.)
Effect of Input Amplitude on Delay Time
60
CLOAD = 1000 pF
50 VDD = 10V
40
tD2
30
20 tD1
10
0 2 4 6 8 10
VDRIVE (V)
Quiescent Supply Current vs. Voltage
TA = +25°C
BOTH INPUTS = 1
1
BOTH INPUTS = 0
0.1
4
6
8 10 12 14 16 18
VDD
High-State Output Resistance
25
20
WORST CASE @ TJ = +150°C
15
TYP @ TA = +25°C
10
8
5
4 6 8 10 12 14 16
VDD
TELCOM SEMICONDUCTOR, INC.
18
TC4426
TC4427
TC4428
1
Propagation Delay Time vs. Temperature
60
VDD = 18V
50 VLOAD= 1000 pF
t D2
40
30 tD1
20
10
–55 –35 –15 5
25 45 65 85 105 125
TA (°C)
Quiescent Supply Current vs. Temperature
4.0
VDD = 18V
3.5
3.0
BOTH INPUTS = 1
2.5
2
3
4
5
2.0
–55 –35 –15 5
25 45 65 85 105 125
TA (°C)
Low-State Output Resistance
25
6
20
WORST CASE @ TJ = +150°C
15
TYP @ TA = +25°C
10
8
5
4 6 8 10 12 14 16 18
VDD
7
8
4-249
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet TC4428.PDF ] | |
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