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  • Three High-Efficiency Programmable Buck Regulators
    • Integrated FETs With Low RDSON
    • Bucks Operate With Their Phases Shifted to Reduce the Input Current Ripple and Capacitor Size
    • Programmable Output Voltage Through the SPI Interface
    • Overvoltage and Undervoltage Lockout
    • Automatic Internal Soft Start With Power-On Reset
    • Current Overload and Thermal Shutdown Protection
    • PFM Mode for Low-Load, High-Efficiency Operation
  • Power-Down Data Protection Enhances Data Integrity
    • Bypass Mode Available on Bucks 1 and 2
  • Deep Sleep Mode to Save Power During Idle Times With DevSLP Function
  • Programmable Low-Dropout LDO 1.2 V to 3.1 V, up to 250 mA
  • SPI-Programmable Interrupt Comparator (2 V to 4 V)
  • Alternate Buck VOUTS Selectable Through VSELECT Logic Pins
  • Customizable Start-Up Sequencing for Varied Controllers
  • RESET Pin
  • Programmable Buck Regulators:
    • Buck 1: 1.1 V to 3.6 V at 1.6 A
    • Buck 2: 1.1 V to 3.6 V at 1 A
    • Buck 3: 0.7 V to 1.335 V at 1 A
  • ±3% Feedback Voltage Accuracy
  • Up to 95% Efficient Buck Regulators
  • 2-MHz Switching Frequency for Smaller Inductor Size
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The LM10504 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 LM10504 operates cooperatively with ASIC to optimize the supply voltage for low-power conditions and power saving modes through the SPI interface. It also supports a 250-mA LDO and a programmable interrupt comparator.

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Technical documentation

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Type Title Date
* Datasheet LM10504 Triple Buck and LDO Power Management Unit datasheet (Rev. F) Oct. 11, 2016
Technical articles Automotive electronics design made easy Jul. 18, 2013
Technical articles John discusses benefits of LEDs in automobiles Jul. 16, 2013
User guides LM10504 Triple Buck + LDO Power Management User's Guide Nov. 29, 2011
More literature LM10504 Flexible Integrated Power Management Solution Product Bulletin Nov. 17, 2011

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