UCD7230 - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

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Part No

UCD7230
Manufacturer

TI
ChipWorker Part#

CW435518303
Description

Digital Power Compatible Synchronous Buck Driver
Documentation

Datasheet
Ships from

Moscow
Наличие

77 pcs In Stock
Estimated Price

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UCD7230 Specifications

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Attribute	Attribute Value

Part Number	UCD7230
Manufacturer	TI
ChipWorker Part#	CW435518303
Documentation	Datasheet
	expand all
Product Lifecycle Status
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

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Product Description

The UCD7230 is part of the UCD7K family of digital control compatible drivers for applications utilizing digital control techniques or applications requiring fast local peak current limit protection.
The UCD7230 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 UCD95xx and the power stage. With cycle-by-cycle current limit protection, the UCD7230 device protects the power stage from faulty input signals or excessive load currents.
The UCD7230 includes high-side and low-side gate drivers which utilize Texas Instrument’s TrueDrive output architecture. This architecture delivers rated current into the gate capacitance of a MOSFET during the Miller plateau region of the switching. Furthermore, the UCD7230 offers a low offset differential amplifier with a fixed gain of 48. This amplifier greatly simplifies the task of conditioning small current sense signals inherent in high efficiency buck converters.
The UCD7230 includes a 3.3-V, 10-mA linear regulator to provide power to digital controllers such as the UCD91xx. The UCD7230 is compatible with standard 3.3-V I/O ports of the UCD91xx, the TMS320TM family DSPs, µCs, or ASICs.
The UCD7230 is offered in PowerPAD™ HTSSOP or space-saving QFN packages. Package pin out has been carefully designed for optimal board layout
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-Phase Applications
Especially Suited for Use with UCD91xx or UCD95xx 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 TMS320TM DSP Family

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