LM10506

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM10506 SNVS729F – SEPTEMBER 2011 – REVISED AUGUST 2014 LM10506 Triple Buck + LDO Power Management Unit 1 Features 1 Three Highly Efficient Programmable Buck Regulators – Buck Regulator Outputs: – Buck 1: 1.1 V to 3.6 V; 1.3 A – Buck 2: 1.1 V to 3.6 V; 400 mA – Buck 3: 0.7 V to 1.335 V; 600 mA – ±3% Feedback Voltage Accuracy – Up to 95% Efficient Buck Regulators – 2MHz Switching Frequency for Smaller Inductor Size – Integrated FETs with Low RDSON – Bucks Operate With Their Phases Shifted to Reduce the Input Current Ripple and Capacitor Size – Programmable Output Voltage via the SPI™ Interface – Overvoltage and Undervoltage Lockout – Automatic Internal Soft Start With Power-On Reset – Current Overload and Thermal Shutdown Protection – Bypass Mode Available on Bucks 1 and 2 – PFM Mode for Low-Load, High-Efficiency Operation Low-Dropout LDO 3.2 V, 100 mA SPI-Programmable Interrupt Comparator (2 V to 4 V) Alternate Buck VOUT Selectable via H/L Logic Pins RESET, STANDBY Pins 2 Applications Solid-State Drives GND GND GND H/L B2 H/L B3 3 Description The LM10506 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. The LM10506 operates cooperatively with ASIC to optimize the supply voltage for low-power conditions and Power Saving mode...