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LM21212-2

Texas Instruments

Voltage-Mode Synchronous Buck Regulator

Product Folder Order Now Technical Documents Tools & Software Support & Community LM21212-2 SNVS715B – MARCH 2011 –...


Texas Instruments

LM21212-2

File Download Download LM21212-2 Datasheet


Description
Product Folder Order Now Technical Documents Tools & Software Support & Community LM21212-2 SNVS715B – MARCH 2011 – REVISED JUNE 2019 LM21212-2 2.95-V to 5.5-V, 12-A, Voltage-Mode Synchronous Buck Regulator With Adjustable Frequency 1 Features 1 Integrated 7-mΩ High Side and 4.3-mΩ Low-Side FET Switches 300-kHz to 1.55-MHz Resistor-Adjustable Frequency Adjustable Output Voltage from 0.6 V to VIN (100% Duty Cycle Capable), ±1% Reference Input Voltage Range 2.95 V to 5.5 V Startup Into Prebiased Loads Output Voltage Tracking Capability Wide Bandwidth Voltage Loop Error Amplifier Adjustable Soft-Start With External Capacitor Precision Enable Pin With Hysteresis Integrated OVP, OCP, OTP, UVLO, and Power- Good Thermally Enhanced 20-Pin HTSSOP Exposed Pad Package Create a custom design using the LM21212-2 with the WEBENCH® Power Designer 2 Applications Broadband, Networking and Wireless Communications High-Performance FPGAs, ASICs and Microprocessors Simple to Design, High Efficiency Point of Load Regulation from a 5-V or 3.3-V Bus 3 Description The LM21212-2 is a monolithic synchronous buck regulator that is capable of delivering up to 12 A of continuous output current while producing an output voltage down to 0.6 V with outstanding efficiency. The device is optimized to work over an input voltage range of 2.95 V to 5.5 V, making it suitable for a wide variety of low voltage systems. The voltage mode control loop provides high noise immunity and...




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