Overview
The UCC27201ADR, produced by Texas Instruments, is a high-frequency N-channel MOSFET driver designed for high-side and low-side applications. This component is part of the UCC2720xA series and is particularly suited for use in power conversion systems such as half-bridge, full-bridge, and active clamp forward converters. Its market positioning targets engineers and designers working on power management solutions in industrial, automotive, and consumer electronics. The UCC27201ADR stands out for its 120V bootstrap diode, independent high-side/low-side driver inputs, and enhanced ESD protection, making it a robust choice for demanding environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 8 - 17 | V | |
| Peak Output Current | 3 | A | Source/Sink |
| Rise Time | 8 | ns | Typical |
| Fall Time | 7 | ns | Typical |
| High-Side Voltage (Max) | 120 | V | Bootstrap |
| Input Logic Threshold | TTL | Compatible | |
| Operating Temperature | -40 to 140 | °C | |
| Package | 8-SOIC |
Key Features
- Integrated 120V bootstrap diode for high-side driving.
- Independent high-side and low-side driver inputs for flexible control.
- Enhanced ESD protection for improved reliability in noisy environments.
- Undervoltage lockout (UVLO) for both high-side and low-side drivers.
- TTL-compatible input thresholds for easy integration.
Applications
The UCC27201ADR is widely used in power management applications, including half-bridge and full-bridge converters, active clamp forward converters, and dual-switch forward converters. Its robust design makes it suitable for industrial automation, automotive systems, and consumer electronics, where efficient and reliable power conversion is critical. The component's ability to handle high voltages and its fast switching characteristics are particularly advantageous in motor control and inverter systems.
Q & A
1. What is the maximum supply voltage for the UCC27201ADR?
The maximum supply voltage is 17V.
2. What is the peak output current capability?
The UCC27201ADR can source and sink up to 3A.
3. Is the UCC27201ADR compatible with TTL logic?
Yes, it has TTL-compatible input thresholds.
4. What is the purpose of the integrated bootstrap diode?
The bootstrap diode enables high-side driving without the need for an external diode.
5. What is the operating temperature range?
It operates from -40°C to 140°C.
6. What are the typical rise and fall times?
The rise time is 8ns, and the fall time is 7ns.
7. Does the UCC27201ADR have UVLO protection?
Yes, it includes undervoltage lockout for both high-side and low-side drivers.
8. What package options are available?
It is available in an 8-SOIC package.
9. Can it handle negative voltages?
Yes, the high-side pin can tolerate up to -18V.
10. What are the primary applications of this driver?
It is used in half-bridge, full-bridge, and active clamp forward converters.
