LM10507

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM10507 Triple Buck + LDO Power Management Unit LM10507 SNVS999 – MAY 2014 1 Features 1 Three Highly Efficient Programmable Buck Regulators – Integrated FETs with Low RDS-ON – Bucks Operate with their Phases Shifted to Reduce the Input Current Ripple and Capacitor Size – Programmable Output Voltage via the SPI Interface – Over and Under-Voltage-Lockout – Automatic Internal Soft Start with Power-On Reset – Current Overload and Thermal Shutdown Protection – PFM Mode for High Efficiency at Light Load Conditions Low-Dropout Regulator 2.5 V, 250mA Hardware ENABLE and PWR_OK Terminal Fast Start-up for All Voltage Rails in about 3.5ms to PWR_OK Fast Turn-off / Active Discharge on Regulator Outputs Programmable Buck Regulators: – Buck 1: 0.9 - 3.4 V; 1.6A – Buck 2: 0.9 - 3.4 V; 1A – Buck 3: 0.865 - 1.5 V; 1A – ±3% Feedback Voltage Accuracy – Up to 95% efficient Buck Regulators – 2MHz Switching Frequency for Smaller Inductor Size – 2.8 x 2.8 mm, 0.4 mm pitch, 34-bump µSMD Package 2 Applications Solid-State Drives 3 Description The LM10507 is an advanced PMU containing three configurable, high-efficiency buck regulators for supplying variable voltages. The device is ideal for supporting ASIC and SOC designs for Solid-State and Flash drives. LM10507 operates cooperatively with ASIC to optimize the supply voltage for low power conditions and power saving modes via SPI interface. It al...