Texas Instruments UCD7230A
The UCD7230A is one in the UCD7k family of digital control compatible 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.| Part No. | UCD7230A |
|---|---|
| Datasheet | UCD7230A Download |
| Manufacturer |  Texas Instruments |
| Description | Digital Control Compatible Synchronous Buck Gate Driver |
| Buy | Stock & Price |
FEATURES
1●2 Input from Digital Controller Sets Operating Frequency and Duty Cycle
● Up to 2-MHz Switching Frequency
● Dual Current Limit Protection with Independently Adjustable Thresholds
● Fast Current Sense Circuit with Adjustable Blanking Interval Prevents Catastrophic Current Levels
● 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
APPLICATIONS
● Digitally-Controlled Synchronous-Buck Power Stages for Single and Multi-PhaseAPPLICATIONS
● Especially Suited for Use with UCD91xx or UCD92xx Contollers● High-Current Multi-Phase VRM/EVRD Regulators for Desktop, Server, Telecom and Notebook Processors
● Digitally-Controlled Synchronous-Buck Power Supplies Using μCs or the TMS320™ DSP Family
DESCRIPTION
With cycle-by-cycle current limit protection, the UCD7230A device protects the power stage from faulty input signals or excessive load currents.
