LM21215A

Product Folder Order Now Technical Documents Tools & Software Support & Community LM21215A SNOSB87D – MARCH 2011 – REVISED MAY 2019 LM21215A 2.95-V to 5.5-V,15-A, Voltage-Mode Synchronous Buck Converter With Frequency Synchronization 1 Features 1 High-Efficiency Synchronous DC/DC Converter – Input Voltage Range of 2.95 V to 5.5 V – Adjustable Output Voltage From 0.6 V to VIN – Output Current as High as 15 A Frequency Synchronization 300 kHz to 1.5 MHz Integrated 7-mΩ PMOS Buck Switch Supports 100% Duty Cycle for Low Dropout Voltage Integrated 4.3-mΩ NMOS Synchronous Rectifier Eliminates Schottky Diode Accurate ±1% Internal Voltage Reference Automatic Diode Emulation Mode for Improved Efficiency at Light Loads Monotonic Pre-Biased Startup Internal 0.5-ms or Externally Adjustable Soft Start Output Voltage Tracking Capability Ultra-Fast Line and Load Transient Response – Voltage-Mode PWM Control – Wide-Bandwidth Voltage Loop Error Amplifier Precision Enable with Hysteresis Integrated OVP, UVP, OCP, and UVLO Open-Drain Power Good Indicator Thermal Shutdown Protection With Hysteresis Thermally-Enhanced HTSSOP-20 Package Create a custom design using the LM21215A with the WEBENCH® Power Designer 2 Applications Telecommunications Infrastructure DSP and FPGA Core Voltage Supplies High Efficiency POL Conversion Embedded Computing, Servers and Storage Efficiency at 2.5 V, 500 kHz 100 98 EFFICIENCY (%) 96 94 92 90 0 VIN = 3.3V VIN = 4....