Overview
The UCC27322DGN is a high-speed, single-channel, low-side MOSFET driver produced by Texas Instruments. This component is part of the UCC2732x/UCC3732x family, known for delivering high peak drive currents. Although the UCC27322DGN is no longer in production, it remains relevant for existing designs and maintenance. The driver is designed to handle high dV/dt transitions, making it suitable for systems requiring significant Miller current.
Key Specifications
| Specification | Value |
|---|---|
| Package | 8-HVSSOP (DGN) |
| Pins | 8 |
| Operating Temperature Range | -40°C to 105°C |
| Peak Output Current (Source, Sink) | ±9 A |
| Supply Voltage | 4 V to 15 V |
| Input Type | Non-Inverting |
| Logic Voltage - VIL, VIH | 1.1 V, 2.7 V |
| Rise / Fall Time (Typ) | 20 ns |
| Propagation Delay Time (Typ) | 25 ns (falling), 35 ns (rising) |
| Thermal Resistance (θjc) | 4.7°C/W (PowerPAD package) |
Key Features
- Industry-standard pin-out with an additional 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.
- Fast rise and fall times of 20 ns with a 10-nF load.
- Available in thermally enhanced MSOP PowerPAD™ package.
- Pb-free finish (CU NIPDAU) on 8-pin SOIC and PDIP packages.
Applications
The UCC27322DGN is designed for high-speed applications that require driving large MOSFETs, particularly in systems with high dV/dt transitions. It is suitable for various power management and control systems, including but not limited to:
- Power supplies and DC-DC converters.
- Motor control and drive systems.
- High-frequency switching applications.
- Industrial control and automation systems.
Q & A
- What is the peak output current of the UCC27322DGN?
The peak output current of the UCC27322DGN is ±9 A. - What is the operating temperature range of the UCC27322DGN?
The operating temperature range is -40°C to 105°C. - What type of input does the UCC27322DGN have?
The UCC27322DGN has non-inverting inputs. - What is the typical rise and fall time of the UCC27322DGN?
The typical rise and fall time is 20 ns with a 10-nF load. - Is the UCC27322DGN still in production?
No, the UCC27322DGN is no longer in production. - What is the supply voltage range for the UCC27322DGN?
The supply voltage range is 4 V to 15 V. - What type of package does the UCC27322DGN come in?
The UCC27322DGN comes in an 8-HVSSOP (DGN) package. - What is the thermal resistance of the PowerPAD package?
The thermal resistance (θjc) of the PowerPAD package is 4.7°C/W. - Is the UCC27322DGN RoHS compliant?
Yes, the UCC27322DGN is RoHS compliant. - What are some typical applications for the UCC27322DGN?
Typical applications include power supplies, DC-DC converters, motor control systems, and high-frequency switching applications.
