Overview
The UC3706DWG4 is a dual output driver integrated circuit produced by Texas Instruments. It is part of the UC3706 family, which is designed to interface between low-level control functions and high-power switching devices, particularly power MOSFETs. This device is fabricated using a high-speed Schottky process, enabling fast and high-current switching capabilities. The UC3706DWG4 is optimized for use in various high-power applications, including power MOSFET drive circuits and bipolar transistor drive circuits.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Output Current (per output) | - | - | 1.5A | A |
| Rise Time (10% to 90%) | 20 | 40 | 60 | ns |
| Fall Time (90% to 10%) | 25 | 30 | 50 | ns |
| Supply Voltage Range | 5 | - | 40 | V |
| Operating Temperature Range | 0 | - | 70 | °C |
| Storage Temperature Range | -65 | - | 150 | °C |
| Thermal Shutdown Temperature | - | 155 | - | °C |
| Package Type | - | - | 16-SOIC | - |
Key Features
- Dual, 1.5A totem pole outputs capable of sourcing or sinking high current.
- High-speed operation with rise and fall times into 1000pF of 40ns.
- Parallel or push-pull operation with the ability to convert single-ended to push-pull signals.
- High-speed, power MOSFET compatible.
- Low cross-conduction current spike and internal deadband inhibit circuit.
- Analog, latched shutdown with a low quiescent current.
- Thermal shutdown protection.
- TTL compatible digital inputs with no external pull-up resistors required.
- Inhibit circuit to eliminate the need for deadband control.
Applications
- Power MOSFET drive circuits, including those using negative bias voltage and level shifting to ground-referenced PWMs.
- Power bipolar transistor drive circuits.
- Transformer coupled push-pull MOSFET drive circuits.
- Conversion of single output PWMs to high current push-pull configurations.
- Charge pump circuits.
Q & A
- What is the maximum output current per output of the UC3706DWG4?
The maximum output current per output is 1.5A.
- What is the typical rise time of the UC3706DWG4?
The typical rise time is 40ns.
- What is the operating temperature range of the UC3706DWG4?
The operating temperature range is from 0°C to 70°C.
- What type of package does the UC3706DWG4 come in?
The UC3706DWG4 comes in a 16-SOIC package.
- Does the UC3706DWG4 have thermal shutdown protection?
Yes, it has thermal shutdown protection that activates at approximately 155°C.
- Can the UC3706DWG4 be used with power MOSFETs?
Yes, it is designed to be compatible with power MOSFETs.
- What is the purpose of the inhibit circuit in the UC3706DWG4?
The inhibit circuit is used to eliminate the need for deadband control when driving relatively slow bipolar power transistors.
- Does the UC3706DWG4 require external pull-up resistors for its digital inputs?
No, the digital inputs are TTL compatible and do not require external pull-up resistors.
- Can the UC3706DWG4 be used in high-frequency inductive load applications?
Yes, but it is recommended to shunt the internal output diodes with high-speed external diodes for such applications.
- What is the storage temperature range for the UC3706DWG4?
The storage temperature range is from -65°C to 150°C.
