Overview
The UCC27424MDGNREP from Texas Instruments is a high-speed, dual-channel MOSFET gate driver designed to drive N-channel MOSFETs in various high-performance applications. This component is part of the UCC27424 family, which is known for its high current-drive capability and unique bipolar and CMOS True-Drive output stage. The driver is particularly suited for applications requiring high current at MOSFET Miller thresholds and efficient current sourcing and sinking at low supply voltages.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 4.5 to 15 | V |
| Output Current (Peak) | ±4 A | A |
| Rise Time (Typical) | 20 ns | ns |
| Fall Time (Typical) | 15 ns | ns |
| Propagation Delay Time (Typical) | 25 ns (Falling), 35 ns (Rising) | ns |
| Input Compatibility | TTL-/CMOS-Compatible | - |
| Package Type | Thermally-Enhanced MSOP PowerPAD™ | - |
| Thermal Resistance (θJC) | 4.7°C/W | °C/W |
Key Features
- High Current-Drive Capability: Delivers ±4 A of peak current, particularly at the Miller plateau region during MOSFET switching transitions.
- Unique Output Stage: Bipolar and CMOS True-Drive output stage provides high current at low supply voltages and minimizes shoot-through current.
- Enable Functions: ENBA and ENBB enable functions for each driver, allowing better control over the operation of the driver applications.
- Industry-Standard Pinout: Compatible with standard pinouts, with enable functions implemented on previously unused pins.
- Fast Switching Times: Typical rise and fall times of 20 ns and 15 ns, respectively, with a 1.8-nF load.
- Thermally-Enhanced Package: Available in MSOP PowerPAD™ package, which reduces thermal resistance to improve long-term reliability.
- Dual Outputs: Outputs can be paralleled for higher drive current.
Applications
- Switch-Mode Power Supplies: Ideal for high-efficiency power supply designs.
- DC/DC Converters: Suitable for various DC/DC converter applications requiring high-speed switching.
- Motor Controllers: Used in motor control systems that demand high current drive capabilities.
- Line Drivers: Applicable in line driver applications where fast switching and high current drive are necessary.
- Class-D Switching Amplifiers: Employed in Class-D amplifier designs for efficient audio amplification.
- Defense, Aerospace, and Medical Applications: Supports controlled baseline, one assembly/test site, one fabrication site, extended product life cycle, and extended product-change notification.
Q & A
- What is the peak output current of the UCC27424MDGNREP?
The peak output current is ±4 A.
- What is the typical rise and fall time of the UCC27424MDGNREP?
The typical rise time is 20 ns, and the typical fall time is 15 ns with a 1.8-nF load.
- What is the supply voltage range for the UCC27424MDGNREP?
The supply voltage range is from 4.5 V to 15 V.
- What type of package is the UCC27424MDGNREP available in?
The component is available in a thermally-enhanced MSOP PowerPAD™ package.
- Does the UCC27424MDGNREP support enable functions?
- What are the typical propagation delay times for the UCC27424MDGNREP?
The typical propagation delay times are 25 ns for input falling and 35 ns for input rising.
- Can the outputs of the UCC27424MDGNREP be paralleled?
- What are some common applications of the UCC27424MDGNREP?
- Is the UCC27424MDGNREP suitable for defense, aerospace, and medical applications?
- What is the thermal resistance (θJC) of the UCC27424MDGNREP package?
