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器件描述：Dual Non-Inverting Power Driver
器件厂商：TI [Texas Instruments]
厂商主页：http://www.ti.com/
文件大小：486.18KB
文件页数：13
PDF阅读：5962-0051401QEA.pdf (点击阅读器件资料)
摘要：
SLUS171A - MARCH 1997 - REVISED AUGUST 2001
BLOCK DIAGRAM
? 3.0A Peak Current Totem Pole
Output
? 5 to 35V Operation
? 25ns Rise and Fall Times
? 25ns Propagation Delays
? Thermal Shutdown and Under-
Voltage Protection
? High-Speed, Power MOSFET
Compatible
? Efficient High Frequency Operation
? Low Cross-Conduction Current
Spike
? Enable and Shutdown Functions
? Wide Input Voltage Range
? ESD Protection to 2kV
The UC1708 family of power drivers is made with a high-speed,
high-voltage, Schottky process to interface control functions and high-power
switching devices – particularly power MOSFETs. Operating over a 5 to 35
volt supply range, these devices contain two independent channels. The A
and B inputs are compatible with TTL and CMOS logic families, but can
withstand input voltages as high as VIN. Each output can source or sink up
to 3A as long as power dissipation limits are not exceeded.
Although each output can be activated independently with its own inputs,
they can be forced low in common through the action of either a digital high
signal at the Shutdown terminal or by forcing the Enable terminal low. The
Shutdown terminal will only force the outputs low, it will not effect the behav-
ior of the rest of the device. The Enable terminal effectively places the device
in under-voltage lockout, reducing power consumption by as much as 90%.
During under-voltage and disable (Enable terminal forced low) conditions,
the outputs are held in a self-biasing, low-voltage, state.
The UC3708 and UC2708 are available in plastic 8-pin MINI DIP and 16-pin
“bat-wing” DIP packages for commercial operation over a 0
o
Cto+70
o
C tem-
perature range and industrial temperature range of -25
o
Cto+85
o
C
respectively. For operation over a -55
o
C to +125
o
C temperature range, the
UC1708 is available in hermetically sealed 8-pin MINI CDIP, 16 pin CDIP
and 20 pin CLCC packages. Surface mount devices are also available.
UC1708
UC2708
UC3708
Dual Non-Inverting Power Driver
Note: Shutdown feature is not available in J or N packages only.
UDG-92024-1
FEATURES DESCRIPTION
application
INFO
available
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