Overview
The UCC27424DGNR from Texas Instruments is a high-speed dual MOSFET driver, part of the UCC2742x family. This device is designed to deliver large peak currents into capacitive loads, making it suitable for various high-current drive applications. It features a unique BiPolar and CMOS hybrid output stage that provides high current at MOSFET Miller thresholds, ensuring efficient current sourcing and sinking even at low supply voltages. The UCC27424DGNR is available in a thermally enhanced MSOP PowerPAD™ package, which significantly reduces thermal resistance to improve long-term reliability.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage | 4 V to 15 V |
| Output Current Capability | ±4 A |
| Rise Time (Typical) | 20 ns with 1.8 nF load |
| Fall Time (Typical) | 15 ns with 1.8 nF load |
| Propagation Delay Time (Typical) | 25 ns (input falling), 35 ns (input rising) |
| Operating Temperature Range | –40°C to 125°C |
| Package Type | Thermally Enhanced MSOP PowerPAD™ (DGN) |
| Input Compatibility | TTL/CMOS compatible inputs |
Key Features
- Industry-standard pin-out
- Enable functions for each driver (ENBA and ENBB)
- High current drive capability of ±4 A
- Unique BiPolar and CMOS True Drive output stage for high current at MOSFET Miller thresholds
- TTL/CMOS compatible inputs independent of supply voltage
- Dual outputs can be paralleled for higher drive current
- Available in thermally enhanced MSOP PowerPAD™ package
- Rated from –40°C to 125°C
Applications
- Switch Mode Power Supplies
- DC/DC Converters
- Motor Controllers
- Line Drivers
- Class D Switching Amplifiers
Q & A
- What is the maximum output current of the UCC27424DGNR?
The UCC27424DGNR can deliver up to ±4 A of peak current. - What is the typical rise and fall time of the UCC27424DGNR with a 1.8 nF load?
The typical rise time is 20 ns, and the typical fall time is 15 ns. - What is the operating temperature range of the UCC27424DGNR?
The operating temperature range is from –40°C to 125°C. - What types of logic options are available for the UCC2742x family?
The UCC2742x family offers dual-inverting, dual-noninverting, and one-inverting and one-noninverting driver options. - Can the dual outputs of the UCC27424DGNR be paralleled?
Yes, the dual outputs can be paralleled for higher drive current. - What is the purpose of the enable functions (ENBA and ENBB) in the UCC27424DGNR?
The enable functions provide better control over the operation of each driver channel, allowing the drivers to be enabled or disabled as needed. - What type of package is the UCC27424DGNR available in?
The UCC27424DGNR is available in a thermally enhanced MSOP PowerPAD™ package. - Are the inputs of the UCC27424DGNR TTL/CMOS compatible?
Yes, the inputs are TTL/CMOS compatible and independent of the supply voltage. - How does the unique BiPolar and CMOS hybrid output stage benefit the UCC27424DGNR?
The hybrid output stage provides high current at MOSFET Miller thresholds, ensuring efficient current sourcing and sinking even at low supply voltages. - What are some common applications of the UCC27424DGNR?
Common applications include switch mode power supplies, DC/DC converters, motor controllers, line drivers, and Class D switching amplifiers.
