UCD7230A Overview
The UCD7230A is one in the UCD7k family of digital control patible drivers for applications utilizing digital control techniques or applications requiring fast local peak current limit protection. The UCD7230A is a MOSFET gate driver specifically designed for synchronous buck applications. It is ideally suited to provide the bridge between digital controllers such as the UCD91xx or the UCD92xx and the power stage.
UCD7230A Key Features
- 2 Input from Digital Controller Sets Operating Frequency and Duty Cycle
- Up to 2-MHz Switching Frequency
- Fast Current Sense Circuit with Adjustable
- Digital Output Current Limit Flag
- Low Offset, Gain of 48, Differential Current Sense Amplifier
- 3.3-V, 10-mA Internal Regulator
- Dual TrueDrive™ High-Current Drivers
- 10-ns Typical Rise/Fall Times with 2.2-nF Loads
- 4.5-V to 15.5-V Supply Voltage Range
UCD7230A Applications
- Digitally-Controlled Synchronous-Buck Power Stages for Single and Multi-Phase Applications
- Especially Suited for Use with UCD91xx or UCD92xx Contollers
- High-Current Multi-Phase VRM/EVRD Regulators for Desktop, Server, Tele and Notebook Processors