Overview
The UC3708N is a dual non-inverting power driver from Texas Instruments, designed to interface control functions and high-power switching devices, particularly power MOSFETs. This device operates over a wide supply voltage range of 5 V to 35 V and features high-speed, high-voltage Schottky process technology. It is part of the UC1708 family, which includes the UC1708 and UC2708, but the UC3708N is specifically tailored for commercial operation with a temperature range of 0°C to 70°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage, VIN | 35 | V |
| Output Current (Each Output, Source or Sink) | 3 A (Peak), 0.5 A (Steady-State) | A |
| Output Voltage | –0.3 to (VIN + 0.3) | V |
| Enable and Shutdown Inputs | –0.3 to 6.2 | V |
| A and B Inputs | –0.3 to (VIN + 0.3) | V |
| Operating Junction Temperature | 150 | °C |
| Storage Temperature Range | –65 to 150 | °C |
| Lead Temperature (Soldering, 10 Seconds) | 300 | °C |
| Rise Time Delay (TPLH) | 25 to 40 ns | ns |
| Fall Time Delay (TPHL) | 25 to 40 ns | ns |
| Propagation Delays | 25 ns | ns |
Key Features
- High-Speed, Power MOSFET Compatible
- 3.0A Peak Current Totem Pole Output
- Efficient High Frequency Operation
- 5 to 35V Operation
- Low Cross-Conduction Current Spike
- 25ns Rise and Fall Times
- Enable and Shutdown Functions
- 25ns Propagation Delays
- Wide Input Voltage Range
- Thermal Shutdown and Under-Voltage Protection
- ESD Protection to 2kV
Applications
The UC3708N is suitable for various high-power switching applications, including but not limited to:
- Power MOSFET drivers
- High-frequency power supplies
- Motor control systems
- Industrial control systems
- Automotive systems requiring high reliability and temperature stability
Q & A
- What is the operating voltage range of the UC3708N?
The UC3708N operates over a supply voltage range of 5 V to 35 V.
- What is the peak output current of the UC3708N?
The UC3708N can source or sink up to 3 A of peak current.
- What are the key protection features of the UC3708N?
The device includes thermal shutdown, under-voltage protection, and ESD protection up to 2kV.
- What are the typical rise and fall times of the UC3708N?
The typical rise and fall times are 25 ns each.
- How does the enable function affect the device?
The enable terminal places the device in under-voltage lockout, reducing power consumption by up to 90% when forced low.
- What is the temperature range for the UC3708N?
The UC3708N operates over a temperature range of 0°C to 70°C.
- What types of packages are available for the UC3708N?
The UC3708N is available in plastic 8-pin MINI DIP and 16-pin bat-wing DIP packages.
- Is the shutdown feature available in all packages?
No, the shutdown feature is not available in J or N packages only.
- What is the storage temperature range for the UC3708N?
The storage temperature range is –65°C to 150°C.
- What is the lead temperature for soldering?
The lead temperature for soldering is 300°C for 10 seconds.
