Overview
The UCC37321PG4, produced by Texas Instruments, is a high-speed, low-side MOSFET driver that belongs to the UCC2732x/UCC3732x family. This device is designed to deliver high peak drive current, making it suitable for driving large MOSFETs in applications requiring high dV/dt transitions. The UCC37321PG4 features an inverting input and includes an enable function, enhancing control over the driver's operation. It is available in thermally enhanced packages such as the MSOP PowerPAD™, which improves thermal performance and reliability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Output Current | ±9 A | A |
| Supply Voltage Range | 4 V to 15 V | V |
| Rise Time (Typical) | 20 ns | ns |
| Fall Time (Typical) | 20 ns | ns |
| Propagation Delay Time (Typical) | 25 ns (Input Falling), 35 ns (Input Rising) | ns |
| Operating Temperature Range | –40°C to +105°C | °C |
| Package Types | 8-pin SOIC, 8-pin MSOP PowerPAD™ | |
| Junction-to-Ambient Thermal Resistance (RθJA) | 56.6 °C/W (MSOP PowerPAD™) | °C/W |
Key Features
- 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.
- Industry-standard pinout with the addition of an enable function.
- Available in thermally enhanced MSOP PowerPAD™ package.
- Pb-Free finish on 8-pin SOIC and PDIP packages.
- Latch-up and ESD protection circuitries included.
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 UCC37321PG4?
The peak output current of the UCC37321PG4 is ±9 A.
- What is the supply voltage range for the UCC37321PG4?
The supply voltage range is from 4 V to 15 V.
- What are the typical rise and fall times of the UCC37321PG4?
The typical rise and fall times are both 20 ns with a 10-nF load.
- What is the operating temperature range of the UCC37321PG4?
The operating temperature range is from –40°C to +105°C.
- What packages are available for the UCC37321PG4?
The device is available in 8-pin SOIC and 8-pin MSOP PowerPAD™ packages.
- Does the UCC37321PG4 have an enable function?
- What type of input logic does the UCC37321PG4 support?
The UCC37321PG4 supports TTL/CMOS compatible inputs independent of supply voltage.
- What is the junction-to-ambient thermal resistance of the MSOP PowerPAD™ package?
The junction-to-ambient thermal resistance (RθJA) is 56.6 °C/W for the MSOP PowerPAD™ package.
- Are there any protection circuitries included in the UCC37321PG4?
- What are some common applications for the UCC37321PG4?
