LM21212-2 Datasheet | Texas Instruments

Product Folder Order Now Technical Documents Tools & Software Support & munity 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-k Hz 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 munications - 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 narrow duty-cycle capability, and it can be pensated to be stable with any type of output capacitance, providing maximum flexibility and ease of...