Overview
The UCC27322DRG4, 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 applications requiring extreme Miller current due to high dV/dt transitions. It features an industry-standard pinout with the addition of an enable function, enhancing control over the driver's operation. The UCC27322DRG4 is available in thermally enhanced MSOP PowerPAD and SOIC packages, ensuring improved thermal performance and long-term reliability.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VDD) | 4 | - | 15 | V |
| Peak Output Current | - | - | 9 | A |
| Input Threshold (VIN_H) | 1.6 | 2.2 | 2.5 | V |
| Input Threshold (VIN_L) | 0.8 | 1.2 | 1.5 | V |
| Rise Time (tR) | 20 | - | 70 | ns |
| Fall Time (tF) | 20 | - | 30 | ns |
| Propagation Delay Time (tD1, tD2) | 25 | - | 70 | ns |
| Operating Temperature Range | -40 | - | 105 | °C |
| Junction-to-Ambient Thermal Resistance (RθJA) | - | - | 56.6 | °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.
- Typical rise and fall times of 20 ns with a 10-nF load.
- Enable (ENBL) function for better control over the driver's operation.
- Available in thermally enhanced MSOP PowerPAD and SOIC packages.
- Latch-up and ESD protection circuitries included.
- Industry-standard pinout with minimal external circuit requirements.
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 UCC27322DRG4?
The peak output current of the UCC27322DRG4 is 9 A.
- What are the typical rise and fall times of the UCC27322DRG4?
The typical rise and fall times are 20 ns each with a 10-nF load.
- What is the operating temperature range of the UCC27322DRG4?
The operating temperature range is from -40°C to +105°C.
- What packages are available for the UCC27322DRG4?
The device is available in MSOP PowerPAD and SOIC packages.
- Does the UCC27322DRG4 have an enable function?
- What are the input threshold voltages for the UCC27322DRG4?
The input threshold voltages are 1.6 V to 2.5 V for logic 1 and 0.8 V to 1.5 V for logic 0.
- What is the junction-to-ambient thermal resistance of the UCC27322DRG4 in the SOIC package?
The junction-to-ambient thermal resistance is approximately 56.6 °C/W.
- Is the UCC27322DRG4 RoHS compliant?
- What are some common applications for the UCC27322DRG4?
- Does the UCC27322DRG4 have built-in protection features?
