admin 发表于 2010-4-17 15:57:03

TC4423/24/25 Datasheet

http://www.microchip.com/stellent/images/mchpsiteimages/dwnfolder.gifTC4423/24/25 Datasheet


The TC4423/4424/4425 are higher output current versions of the new TC4426/4427/4428 buffer/drivers, which, in turn, are improved versions of the earlier TC426/427/428 series. All three families are pin-compatible. The TC4423/4424/4425 drivers are capable of giving reliable service in far more demanding electrical environments than their antecedents. Although primarily intended for driving power MOSFETs, the TC4423/4424/4425 drivers are equally well-suited to driving any other load (capacitive, resistive, or inductive) which requires a low impedance driver capable of high peak currents and fast switching times. For example, heavily loaded clock lines, coaxial cables, or piezoelectric transducers can all be driven from the TC4423/4424/4425. The only known limitation on loading is the total power dissipated in the driver must be kept within the maximum power dissipation limits of the package.

Parameter NameValue
PowerDual
Peak Output Current (mA)3000
Output Resistance (RH/RL)(Max. @ 25°C)5/5
Max. Supply Voltage (V)18
Input/Output Delay (td1, td2)1 (ns)75/75
ConfigurationInverting
DescriptionLow-Side MOSFET Drivers, 2.0A to 9.0A Peak Output Current
Operating Temp. Range (°C)-40 to 125

   Features
- Wide Operating Range: 4.5V to 18V
- High Capacitive Load Drive Capability: 1800pF in 25nsec
- Short Delay Times: <40nsec Typ.
- Matched Rise/Fall Times
- Low Supply Current
   With Logic ""1"Input...............3.5mA
   With Logic ""0"Input...............350
µA
- Low Output Impedance: 3.5 Ω Typ.
- Latch-Up Protected ..Will Withstand 1.5A Reverse Current
- Logic Input Will Withstand Negative Swing Up to 5V
- ESD Protected: 4kV
- Pinouts Same as TC1426/27/28;TC4426/27/28


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