The LM10502 are advanced PMUs each containing two 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 LM10502 operate cooperatively with the application ASIC to optimize the supply voltage for low-power conditions and Power Saving modes via the SPI interface. It also supports a 250 mA LDO and a programmable Interrupt Comparator to monitor VIN.

• Two Highly Efficient 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 via the SPI interface
  • Overvoltage and Undervoltage Lockout
  • Automatic Internal Soft Start with Power-on Reset
  • PFM Mode for Low-Load, High-Efficiency Operation
• Low-Dropout LDO 3.0V, 250 mA
• SPI-Programmable Interrupt Comparator (2.0V to 4.0V) to Monitor VIN

Key Specifications

• LM10502 - Programmable Buck Regulators:
  • Buck 1: 1.1V to 3.6V; 1A
  • Buck 2: 0.7V to 1.335V; 1A
• ±3% Feedback Voltage Accuracy
• Up to 95% Efficient Buck Regulators
• 2MHz Switching Frequency for Smaller Inductor Size
• 2.5 7times; 2.5 mm, 0.5 mm Pitch DSBGA Package

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