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UCD7230RGWR Datasheet(PDF) 1 Page - Texas Instruments |
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UCD7230RGWR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 33 page www.ti.com FEATURES APPLICATIONS DESCRIPTION Current Limit Logic ILIM CLF AGND 3V3 3V3 REG Drive and Dead-Time ControlLogic (D;1-D) UVLO I DLY + CS BIAS CS+ BST OUT1 SW PVDD OUT2 PGND Enable IO + 0.6 V POS NEG AO VDD + ILIM /10 48x Over Current IN SRE Blank UCD7230 DLY I LOAD PWM SRE V OUT I DLY V IN BIAS I MAX CLF UCD7230 SLUS741C – NOVEMBER 2006 – REVISED MARCH 2007 Digital Control Compatible Synchronous Buck Gate Drivers with Current Sense Conditioning Amplifier • Digitally-Controlled Synchronous-Buck Power • Input from Digital Controller Sets Operating Stages for Single and Multi-Phase Frequency and Duty Cycle Applications • Up to 2-MHz Switching Frequency • Especially Suited for Use with UCD91xx or • Dual Current Limit Protection with UCD95xx Contollers Independently Adjustable Thresholds • High-Current Multi-Phase VRM/EVRD • Fast Current Sense Circuit with Adjustable Regulators for Desktop, Server, Telecom and Blanking Interval Prevents Catastrophic Notebook Processors Current Levels • Digitally-Controlled Synchronous-Buck Power Supplies Using µCs or the TMS320TM DSP • Digital Output Current Limit Flag Family • Low Offset, Gain of 48, Differential Current Sense Amplifier • 3.3-V, 10-mA Internal Regulator The UCD7230 is part of the UCD7K family of digital • Dual TrueDrive™ High-Current Drivers control compatible drivers for applications utilizing • 10-ns Typical Rise/Fall Times with 2.2-nF digital control techniques or applications requiring Loads fast local peak current limit protection. • 4.5-V to 15.5-V Supply Voltage Range Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. TrueDrive, PowerPAD are trademarks of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2006–2007, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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