Overview
The UCC37322DGNRG4 is a high-speed, single-channel gate driver from Texas Instruments, designed to drive large MOSFETs in various high-performance applications. This device is part of the UCC3732x family, which offers industry-standard pinouts with the addition of an enable function. The UCC37322DGNRG4 is particularly suited for systems requiring high dV/dt transitions and extreme Miller current, making it ideal for applications such as switch mode power supplies, DC-DC converters, motor controllers, and Class-D switching amplifiers.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | MSOP-PowerPAD (8 pins) | |
| Operating Temperature Range | –40°C to +105°C | °C |
| Supply Voltage (VDD) | 4 V to 15 V | V |
| Peak Output Current | ±9 A | A |
| Propagation Delay Time (IN to OUT) | 25 ns (rising), 35 ns (falling) | ns |
| Rise and Fall Times (with 10-nF load) | 20 ns (typical rise), 20-30 ns (typical fall) | ns |
| Input Voltage (IN) | –0.3 V to VDD + 0.3 V | V |
| Enable Voltage (ENBL) | –0.3 V to VDD + 0.3 V | V |
| Junction Operating Temperature (TJ) | –55°C to 150°C | °C |
| Thermal Resistance (RθJA) | 56.7 °C/W | °C/W |
Key Features
- Industry-standard pin-out with the addition of an enable function.
- High-peak current drive capability of ±9 A at the Miller plateau region using TrueDrive technology.
- Efficient constant current sourcing using a unique bipolar and CMOS output stage.
- TTL/CMOS compatible inputs independent of supply voltage.
- Typical propagation delay times of 25 ns (input falling) and 35 ns (input rising).
- Available in thermally enhanced MSOP PowerPAD™ package with 4.7°C/W θjc.
- Latch up and ESD protection circuitries included.
- Pb-Free finish on 8-pin SOIC and PDIP packages.
Applications
- Switch mode power supplies.
- DC-DC converters.
- Motor controllers.
- Class-D switching amplifiers.
- Line drivers.
- Pulse transformer drivers.
Q & A
- What is the peak output current of the UCC37322DGNRG4?
The peak output current is ±9 A.
- What are the typical propagation delay times for the UCC37322DGNRG4?
The typical propagation delay times are 25 ns (input falling) and 35 ns (input rising).
- What is the operating temperature range of the UCC37322DGNRG4?
The operating temperature range is –40°C to +105°C.
- What is the supply voltage range for the UCC37322DGNRG4?
The supply voltage range is 4 V to 15 V.
- Does the UCC37322DGNRG4 have an enable function?
- What type of output stage does the UCC37322DGNRG4 use?
The output stage is a unique hybrid of bipolar and CMOS transistors (TrueDrive).
- What are the typical rise and fall times of the UCC37322DGNRG4 with a 10-nF load?
The typical rise time is 20 ns, and the typical fall time is 20-30 ns.
- Is the UCC37322DGNRG4 Pb-Free?
- What are some common applications for the UCC37322DGNRG4?
- What is the thermal resistance (RθJA) of the UCC37322DGNRG4 in the MSOP PowerPAD package?
The thermal resistance (RθJA) is 56.7 °C/W.
