Overview
The UCC27424DR, produced by Texas Instruments, is a high-speed dual 4-A low-side MOSFET driver. This component is part of the UCC2742x family, which is designed to deliver large peak currents into capacitive loads, making it suitable for a variety of high-performance applications. The device features a unique BiPolar and CMOS true drive output stage, enabling high current drive capability at MOSFET Miller thresholds. It is available in several package options, including the thermally enhanced MSOP PowerPAD™ package, SOIC-8, and PDIP-8, ensuring flexibility and reliability in different design scenarios.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VDD) | 4 | 15 | V | |
| Output Current (IOUT) | ±4 | A | ||
| Rise Time (tr) | 20 | 40 | ns | |
| Fall Time (tf) | 15 | 40 | ns | |
| Propagation Delay Time (td1, td2) | 25, 35 | 40, 40 | ns | |
| Input Current (VIN) | -10 | 0 | 10 | μA |
| Operating Temperature Range | -40 | 125 | °C | |
| Output Resistance High (ROH) | 1.2 | 2.5 | Ω | |
| Output Resistance Low (ROL) | 0.7 | 1.2 | Ω |
Key Features
- Industry-standard pin-out
- Enable functions for each driver
- High current drive capability of ±4 A
- Unique BiPolar and CMOS true drive output stage providing high current at MOSFET Miller thresholds
- TTL/CMOS compatible inputs independent of supply voltage
- Typical rise and fall times of 20 ns and 15 ns respectively with a 1.8 nF load
- Typical propagation delay times of 25 ns and 35 ns for input falling and rising respectively
- Dual outputs can be paralleled for higher drive current
- Available in thermally enhanced MSOP PowerPAD™ package, SOIC-8, and PDIP-8
- Rated from –40°C to 125°C
- Enhanced noise immunity with wide hysteresis on input and enable thresholds
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 UCC27424DR?
The maximum output current of the UCC27424DR is ±4 A.
- What are the typical rise and fall times of the UCC27424DR with a 1.8 nF load?
The typical rise time is 20 ns and the typical fall time is 15 ns with a 1.8 nF load.
- What is the operating temperature range of the UCC27424DR?
The operating temperature range is from –40°C to 125°C.
- What types of packages are available for the UCC27424DR?
The device is available in thermally enhanced MSOP PowerPAD™, SOIC-8, and PDIP-8 packages.
- Can the dual outputs of the UCC27424DR be paralleled for higher drive current?
- What are the input and enable threshold characteristics of the UCC27424DR?
The inputs and enable pins have TTL/CMOS compatible thresholds with wide hysteresis, ensuring enhanced noise immunity.
- What is the supply voltage range for the UCC27424DR?
The supply voltage range is from 4 V to 15 V.
- How does the UCC27424DR minimize shoot-through current?
The device is designed to inherently minimize shoot-through current, ensuring efficient operation during MOSFET switching transitions.
- What are some common applications of the UCC27424DR?
Common applications include switch mode power supplies, DC/DC converters, motor controllers, line drivers, and Class D switching amplifiers.
- Are there any specific logic options available for the UCC27424DR?
