1FEATURES

2• 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

– Current Overload and Thermal Shutdown

Protection

– 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

APPLICATIONS

• Solid-State Drives

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 x 2.5 mm, 0.5 mm Pitch DSBGA Package

DESCRIPTION

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.