Overview
The UC3708NE 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 to 35 volts and features high-speed, high-voltage Schottky process technology. It is part of the UC1708 family, which includes the UC1708, UC2708, and UC3708 models, each with different temperature range specifications.
The UC3708NE is available in a 16-pin bat-wing DIP package and is suitable for commercial operation over a temperature range of 0°C to 70°C. It offers efficient high-frequency operation, low cross-conduction current spikes, and fast rise and fall times of 25ns.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage, VIN | 35 | V |
| Output Current (Each Output, Source or Sink) | 0.5 (Steady-State), 3 (Peak Transient) | 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 45 ns | ns |
| Fall Time Delay (TPHL) | 25 to 45 ns | ns |
| Thermal Shutdown | 155 | °C |
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 UC3708NE is suitable for various high-power switching applications, including but not limited to:
- Power MOSFET drivers in high-frequency switching circuits
- Motor control and drive systems
- High-power DC-DC converters
- Industrial control systems requiring high reliability and efficiency
- Aerospace and military applications due to its hermetically sealed package options
Q & A
- What is the operating voltage range of the UC3708NE?
The UC3708NE operates over a supply voltage range of 5 to 35 volts.
- What is the peak output current of the UC3708NE?
The UC3708NE can source or sink up to 3A of peak transient current.
- What are the rise and fall times of the UC3708NE?
The rise and fall times are typically 25ns.
- Does the UC3708NE have thermal shutdown protection?
- What types of packages are available for the UC3708NE?
The UC3708NE is available in a 16-pin bat-wing DIP package.
- What is the temperature range for the UC3708NE?
The UC3708NE operates over a temperature range of 0°C to 70°C.
- Does the UC3708NE have ESD protection?
- Can the UC3708NE be used with TTL and CMOS logic families?
- What is the purpose of the Enable and Shutdown inputs on the UC3708NE?
The Enable terminal places the device in under-voltage lockout, reducing power consumption, while the Shutdown terminal forces the outputs low.
- Is the UC3708NE suitable for high-frequency applications?
