Overview
The UCC37321P, produced by Texas Instruments, is a high-speed, single-channel gate driver designed to drive large MOSFETs in various applications. This component is part of the UCC2732x/UCC3732x family, which offers high peak drive current and industry-standard pinouts. The UCC37321P features an inverting input, split outputs, and an enable function, making it suitable for systems requiring high dV/dt transitions and extreme Miller current.
Key Specifications
| Parameter | Value |
|---|---|
| Peak Drive Current | ±9 A |
| Input Type | Inverting |
| Output Configuration | Split outputs |
| Enable Function | Available |
| Rise and Fall Times | 20 ns (typical with 10-nF load) |
| Propagation Delay Times | 25 ns (input falling), 35 ns (input rising) |
| Supply Voltage | 4 V to 15 V |
| Operating Temperature | –40°C to +105°C |
| Package Options | PDIP (P), SOIC (D), HVSSOP (DGN) |
| Thermal Resistance (θjc) | 4.7°C/W (MSOP PowerPAD™ package) |
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
- Efficient constant current sourcing using a unique bipolar and CMOS output stage
- TTL/CMOS compatible inputs independent of supply voltage
- Pb-free finish (CU NIPDAU) on 8-pin SOIC and PDIP packages
- Available in thermally enhanced MSOP PowerPAD™ package
Applications
The UCC37321P is designed for applications that require high-speed and high-current drive capabilities, such as:
- Power factor correction (PFC) circuits
- DC-DC converters
- Motor control systems
- High-frequency switching applications
- Systems requiring extreme Miller current due to high dV/dt transitions
Q & A
- What is the peak drive current of the UCC37321P?
The peak drive current of the UCC37321P is ±9 A.
- What are the input and output configurations of the UCC37321P?
The UCC37321P has an inverting input and split outputs.
- What is the typical rise and fall time of the UCC37321P with a 10-nF load?
The typical rise and fall times are 20 ns each.
- What is the supply voltage range for the UCC37321P?
The supply voltage range is from 4 V to 15 V.
- What are the operating temperature limits for the UCC37321P?
The operating temperature range is from –40°C to +105°C.
- What package options are available for the UCC37321P?
The component is available in PDIP (P), SOIC (D), and HVSSOP (DGN) packages.
- Is the UCC37321P Pb-free?
- What is the thermal resistance (θjc) of the MSOP PowerPAD™ package?
The thermal resistance (θjc) is 4.7°C/W.
- Can the UCC37321P replace multiple components in a design?
- What types of applications is the UCC37321P suitable for?
The UCC37321P is suitable for applications such as power factor correction (PFC) circuits, DC-DC converters, motor control systems, and high-frequency switching applications.
