Overview
The UCC27324P is a high-speed dual-MOSFET driver from Texas Instruments, designed to deliver 4-A source and 4-A sink peak current. This component is part of the UCC2732x and UCC3732x family, which features a unique Bi-CMOS output architecture. The UCC27324P is particularly effective in driving MOSFETs, especially during the Miller Plateau Region, where high current is crucial. It is available in various packages, including PDIP-8 and MSOP-PowerPAD, enhancing thermal performance and reliability.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Package | PDIP-8, MSOP-PowerPAD | - |
| Pins | 8 | - |
| Operating Temperature Range | -40°C to 125°C | - |
| Supply Voltage (VDD) | 4.5V to 15V | - |
| Peak Output Current | ±4 A | - |
| Rise/Fall Times @ 1.8nF load | 20ns/15ns | - |
| Input Thresholds | Logic 1: 1.6V to 2.5V, Logic 0: 0.8V to 1.5V | - |
| Output Resistance High/Low | High: 0.6Ω to 1.5Ω, Low: 0.4Ω to 1Ω | - |
| Junction-to-Ambient Thermal Resistance | PDIP: 55.5°C/W, MSOP-PowerPAD: 56.6°C/W | - |
Key Features
- Bi-CMOS Output Architecture: Combines bipolar and MOSFET transistors for efficient current sourcing and sinking at low supply voltages.
- ±4 A Drive Current at the Miller Plateau Region: Delivers high peak current to effectively drive MOSFETs.
- Constant-Current Even at Low Supply Voltages: Maintains current output even at lower supply voltages.
- Outputs Paralleled for Higher Drive Current: Allows for higher drive current by paralleling outputs.
- TTL/CMOS Inputs Independent of Supply Voltage: Input thresholds based on TTL and CMOS logic, independent of supply voltage.
- Industry-Standard Pin-Out: Compatible with standard pin configurations.
- Thermally Enhanced Packages: Available in MSOP-PowerPAD package to lower thermal resistance and improve reliability.
Applications
- Switch-Mode Power Supplies: Suitable for high-speed switching applications.
- DC-DC Converters: Ideal for efficient power conversion.
- Solar Inverters: Used in solar power systems for efficient energy conversion.
- Motor Control: Effective in motor control systems requiring high current drive.
- UPS (Uninterruptible Power Supplies): Used in UPS systems for reliable power delivery.
Q & A
- What is the peak output current of the UCC27324P?
The UCC27324P delivers ±4 A peak output current.
- What are the available packages for the UCC27324P?
The UCC27324P is available in PDIP-8 and MSOP-PowerPAD packages.
- What is the operating temperature range of the UCC27324P?
The operating temperature range is -40°C to 125°C.
- What is the supply voltage range for the UCC27324P?
The supply voltage range is 4.5V to 15V.
- What are the rise and fall times of the UCC27324P at a 1.8nF load?
The rise and fall times are 20ns and 15ns, respectively.
- What are the input threshold voltages for the UCC27324P?
The input threshold voltages are 1.6V to 2.5V for Logic 1 and 0.8V to 1.5V for Logic 0.
- What is the thermal resistance of the UCC27324P in PDIP and MSOP-PowerPAD packages?
The junction-to-ambient thermal resistance is 55.5°C/W for PDIP and 56.6°C/W for MSOP-PowerPAD.
- What are some common applications of the UCC27324P?
Common applications include switch-mode power supplies, DC-DC converters, solar inverters, motor control, and UPS systems.
- Does the UCC27324P support TTL and CMOS inputs?
Yes, the UCC27324P supports TTL and CMOS inputs independent of the supply voltage.
- Can the outputs of the UCC27324P be paralleled for higher drive current?
Yes, the outputs can be paralleled to achieve higher drive current.
