(PDF) UC2708 Datasheet PDF | etcTI





UC2708 Datasheet PDF

Part Number UC2708
Description DUAL NON-INVERTING POWER DRIVER
Manufacture etcTI
Total Page 20 Pages
PDF Download Download UC2708 Datasheet PDF

Features: Datasheet pdf www.ti.com UC1708 UC2708 UC3708 SLUS171 C – MARCH 1997 – REVISED SEPTEMBER 2007 DUAL NON-INVERTING POWER DRIVER F EATURES 1 • 3.0A Peak Current Totem P ole Output • 5 to 35V Operation • 2 5ns Rise and Fall Times • 25ns Propag ation Delays • Thermal Shutdown and U nder-Voltage Protection • High-Speed , Power MOSFET Compatible • Efficient High Frequency Operation • Low Cross -Conduction Current Spike • Enable an d Shutdown Functions • Wide Input Vol tage Range • ESD Protection to 2kV D ESCRIPTION The UC1708 family of power d rivers is made with a high-speed, high- voltage, Schottky process to interface control functions and high-power switch ing devices – particularly power MOSF ETs. Operating over a 5 V to 35 V suppl y range, these devices contain two inde pendent channels. The A and B inputs ar e compatible with TTL and CMOS logic fa milies, but can withstand input voltage s as high as VIN. Each output can sourc e or sink up to 3 A as long as power dissipation limits are not exceeded. Although each out.

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UC2708 datasheet
www.ti.com
UC1708
UC2708
UC3708
SLUS171C – MARCH 1997 – REVISED SEPTEMBER 2007
DUAL NON-INVERTING POWER DRIVER
FEATURES
1
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
DESCRIPTION
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 V to 35 V
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 3 A
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 behavior 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°C to 70°C temperature range and industrial temperature range of –25°C to 85°C
respectively. For operation over a –55°C to 125°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.
BLOCK DIAGRAM
Enable
Logic Gnd
5.6 V
Reg
Internal
Bias
Thermal
Shutdown
VIN
Output A
Input A
Pwr Gnd A
Input B
Shutdown
NOTE: Shutdown feature is not available in J or N packages only.
Output B
Pwr Gnd B
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 1997–2007, Texas Instruments Incorporated

UC2708 datasheet
UC1708
UC2708
UC3708
SLUS171C – MARCH 1997 – REVISED SEPTEMBER 2007
CONNECTION DIAGRAMS
DIL-8 (Top View)
J Or N Package
Enable
Input A
Gnd
Input B
NC
Output A
VIN
Output B
DIL-16 (Top View)
JE Or NE Package
NC
Input A
Enable
Logic Gnd
Logic Gnd
Shutdown
Input B
NC
Pwr Gnd A
Output A
VIN
Logic Gnd
Logic Gnd
VIN
Output B
Pwr Gnd B
Note: In JE package, Pin 4 is Logic Ground.
Pins 5, 12, and 13 are no connect.
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SOIC-16 (Top View)
DW Package
NC
Input A
Enable
Logic Gnd
NC
Shutdown
Input B
NC
CLCC-20 (Top View)
L Package
Pwr Gnd A
Output A
VIN
NC
NC
VIN
Output B
Pwr Gnd B
ENABLE 4
LOGIC GND 5
NC 6
NC 7
SHUTDOWN 8
3 2 1 20 19
18 VIN
17 NC
16 NC
15 NC
14 VIN
9 10 11 12 13
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Copyright © 1997–2007, Texas Instruments Incorporated
Product Folder Link(s): UC1708 UC2708 UC3708




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