Overview
The UCC27324DG4, produced by Texas Instruments, is a high-speed dual-MOSFET driver belonging to the UCC2732x and UCC3732x family. This component is designed to deliver 4-A source and 4-A sink peak current, making it highly effective for driving MOSFETs, particularly at the Miller Plateau Region. The device features a unique Bi-CMOS output architecture, combining bipolar and MOSFET transistors to ensure efficient current sourcing and sinking even at low supply voltages. Although the UCC27324 is currently obsolete and not recommended for new designs, it remains a significant component in existing systems and legacy designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOIC-8 (D), MSOP-PowerPAD (DGN) | |
| Operating Temperature Range | -40 to 125 | °C |
| Supply Voltage (VDD) | 4.5 to 15 | V |
| Peak Output Current | ±4 A | |
| Rise/Fall Times @ 1.8nF load | 20ns / 15ns | |
| Rise/Fall Propagation Delay | 35ns / 25ns | |
| Input Thresholds (VIN_H, VIN_L) | 1.6-2.5 V, 0.8-1.5 V | |
| Output Resistance High/Low | 0.6-1.5 Ω, 0.4-1 Ω | |
| Junction Operating Temperature | -55 to 150 | °C |
Key Features
- Bi-CMOS Output Architecture
- ±4 A Drive Current at the Miller Plateau Region
- Constant-Current Even at Low Supply Voltages
- Outputs Paralleled for Higher Drive Current
- Available in MSOP-PowerPAD™ Package
- TTL/CMOS Inputs Independent of Supply Voltage
- Industry-Standard Pin-Out
- Excellent Noise Immunity with Wide Input Hysteresis
Applications
- Switch-Mode Power Supplies
- DC-DC Converters
- Solar Inverters
- Motor Control
- Uninterruptible Power Supplies (UPS)
Q & A
- What is the UCC27324DG4 used for? The UCC27324DG4 is used as a high-speed dual-MOSFET driver to drive MOSFETs in various power management applications.
- What are the key features of the UCC27324DG4? Key features include Bi-CMOS output architecture, ±4 A drive current, constant current at low supply voltages, and TTL/CMOS inputs independent of supply voltage.
- What are the available packages for the UCC27324DG4? The component is available in SOIC-8 (D) and MSOP-PowerPAD (DGN) packages.
- What is the operating temperature range of the UCC27324DG4? The operating temperature range is -40°C to 125°C.
- What is the supply voltage range for the UCC27324DG4? The supply voltage range is 4.5V to 15V.
- Can the outputs of the UCC27324DG4 be paralleled? Yes, the outputs can be paralleled for higher drive current.
- What are some common applications of the UCC27324DG4? Common applications include switch-mode power supplies, DC-DC converters, solar inverters, motor control, and UPS systems.
- Why is the UCC27324DG4 obsolete? The UCC27324DG4 is obsolete and not recommended for new designs, but it may still be used in existing or legacy systems.
- What is the significance of the Miller Plateau Region in the context of the UCC27324DG4? The Miller Plateau Region is where the UCC27324DG4 delivers its peak current, which is crucial for efficient MOSFET switching.
- How does the Bi-CMOS output architecture benefit the UCC27324DG4? The Bi-CMOS output architecture allows for efficient current sourcing and sinking at low supply voltages, enhancing the overall performance of the driver.
