Overview
The UCC27201ADDAR is a high-frequency, half-bridge gate driver produced by Texas Instruments. This component is part of the UCC2720xA family, designed to drive two N-channel MOSFETs in high-side and low-side configurations. It features independent inputs for maximum control flexibility, making it suitable for various power conversion applications such as half-bridge, full-bridge, two-switch forward, and active clamp forward converters. The device includes an on-chip 120V bootstrap diode and enhanced ESD input structure, ensuring robust performance in noisy power supply environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | HSOIC (DDA) | |
| Pins | 8 | |
| Operating Temperature Range | -40 to 150 | °C |
| Maximum Boot Voltage | 120 | V |
| Maximum VDD Voltage | 20 | V |
| Output Current (Sink/Source) | 3 A | A |
| Rise Time | 8 ns | ns |
| Fall Time | 7 ns | ns |
| Propagation Delay | 22 ns | ns |
| Input Logic | TTL-compatible | |
| Negative Voltage Handling at HS Pin | -18 V | V |
| Under-Voltage Lockout (UVLO) | Yes, for both high-side and low-side drivers |
Key Features
- Drives two N-channel MOSFETs in high-side and low-side configuration
- Negative voltage handling on HS pin up to -18V
- Maximum boot voltage of 120V
- On-chip 0.65V VF, 0.65Ω RD bootstrap diode
- Fast rise and fall times (8ns rise, 7ns fall with 1000pF load)
- 1ns delay matching between turn-on and turn-off of each driver
- Undervoltage lockout for both high-side and low-side drivers
- Enhanced ESD input structure for improved performance in noisy environments
- TTL-compatible input thresholds for the UCC27201A version
Applications
- Power supplies for telecom, datacom, and merchant markets
- Half-bridge and full-bridge converters
- Two-switch forward converters
- Active-clamp forward converters
- High-voltage synchronous-buck converters
- Isolated bus architecture
- Class-D audio amplifiers
Q & A
- What is the maximum boot voltage of the UCC27201ADDAR?
The maximum boot voltage is 120V.
- What is the operating temperature range of the UCC27201ADDAR?
The operating temperature range is from -40°C to 150°C.
- What type of input logic does the UCC27201ADDAR use?
The UCC27201ADDAR uses TTL-compatible input thresholds.
- Does the UCC27201ADDAR have under-voltage lockout (UVLO) protection?
Yes, it has UVLO protection for both high-side and low-side drivers.
- What is the maximum negative voltage handling on the HS pin?
The maximum negative voltage handling on the HS pin is -18V.
- What is the typical rise and fall time of the UCC27201ADDAR with a 1000pF load?
The typical rise time is 8ns and the fall time is 7ns.
- What is the propagation delay of the UCC27201ADDAR?
The propagation delay is 22ns.
- Is the UCC27201ADDAR RoHS compliant?
Yes, the UCC27201ADDAR is RoHS compliant.
- What are some common applications of the UCC27201ADDAR?
Common applications include power supplies, half-bridge and full-bridge converters, two-switch forward converters, active-clamp forward converters, and high-voltage synchronous-buck converters.
- Is there an evaluation module available for the UCC27201ADDAR?
Yes, the UCC27201AEVM-328 evaluation module is available for the UCC27201A.
