Overview
The UCC27201DR, produced by Texas Instruments, is a high-frequency half-bridge gate driver designed to drive two N-channel MOSFETs in high-side and low-side configurations. This device is part of the UCC2720x family, which includes a 120V bootstrap diode and independent inputs for maximum control flexibility. It is suitable for use in half-bridge, full-bridge, two-switch forward, and active clamp forward converters. The UCC27201DR features TTL-compatible input thresholds, making it versatile for various control systems.
Key Specifications
Parameter | Value | Unit |
---|---|---|
Package | SOIC (D) | - |
Pins | 8 | - |
Operating Temperature Range | -40 to 150 | °C |
Supply Voltage (VDD) | 8 to 17 | V |
High-Side Voltage (VHS) | -1 to 105 | V |
Output Current | 3A sink, 3A source | A |
Rise Time | 8ns | ns |
Fall Time | 7ns | ns |
Propagation Delay | 22ns | ns |
Delay Matching | 1ns | ns |
Undervoltage Lockout (UVLO) | 8V | V |
Key Features
- Drives two N-channel MOSFETs in high-side and low-side configuration.
- Negative voltage handling on high-side (–5V).
- Maximum boot voltage of 120V.
- Maximum VDD voltage of 20V.
- On-chip 0.65V VF, 0.65Ω RD bootstrap diode.
- 22ns propagation delay times.
- 3A sink and 3A source output currents.
- 8ns rise and 7ns fall time with 1000pF load.
- 1ns delay matching between turn-on and turn-off of each driver.
- Undervoltage lockout for high-side and low-side drivers.
- Specified from –40°C to 150°C operating temperature range.
Applications
The UCC27201DR is designed for use in various power conversion applications, including:
- Half-bridge converters.
- Full-bridge converters.
- Two-switch forward converters.
- Active clamp forward converters.
Its high-frequency capabilities and robust design make it suitable for demanding power management systems.
Q & A
- What is the UCC27201DR used for?
The UCC27201DR is a half-bridge gate driver used to drive two N-channel MOSFETs in high-side and low-side configurations.
- What are the key features of the UCC27201DR?
Key features include a maximum boot voltage of 120V, 3A sink and source output currents, 8ns rise and 7ns fall times, and 1ns delay matching.
- What is the operating temperature range of the UCC27201DR?
The operating temperature range is from –40°C to 150°C.
- What types of converters can the UCC27201DR be used in?
It can be used in half-bridge, full-bridge, two-switch forward, and active clamp forward converters.
- Does the UCC27201DR have undervoltage lockout (UVLO)?
Yes, it has UVLO for both high-side and low-side drivers.
- What is the input type of the UCC27201DR?
The UCC27201DR has TTL-compatible input thresholds.
- What is the package type of the UCC27201DR?
The package type is SOIC (D) with 8 pins.
- What is the maximum supply voltage (VDD) for the UCC27201DR?
The maximum supply voltage (VDD) is 20V.
- Does the UCC27201DR have an on-chip bootstrap diode?
Yes, it includes an on-chip 0.65V VF, 0.65Ω RD bootstrap diode.
- What is the propagation delay of the UCC27201DR?
The propagation delay is 22ns.