Monolithic Power Systems (MPS) - MPM3506A

The MPM3506A is a synchronous, rectified, step-down converter with built-in power MOSFETs, inductor, and two capacitors. It offers a compact solution with only 4 external components to achieve a 0.6A continuous output current with excellent load and line regulation over a wide input supply range. The MPM3506A operates in a 1.15MHz switching frequency, which provides fast load transient response. Full protection features include over-current protection (OCP) and thermal shutdown (TSD). The MPM3506A eliminates design and manufacturing risks while dramatically improving time-to-market. The MPM3506A is available in a space-saving QFN-19 (3mmx5mmx1.6mm) package.

Features

• Complete Switch-Mode Power Supply
• 4.5V to 36V Wide Operating Input Range
• 0.6A Continuous Load Current
• 90mO/60mO Low RDS(ON) Internal Power MOSFETs
• Fixed 1.15MHz Switching Frequency
• 800kHz-2MHz Frequency Sync
• Power-Save Mode for Light Load
• Power Good Indicator
• OCP with Valley Current Detection and Hiccup
• Thermal Shutdown
• Output Adjustable from 0.8V
• Available in a QFN-19 (3mmx5mmx1.6mm) Package
• Total Solution Size 6.7mmx6.3mm

Parametrics

• fsw (max) (kHz): 1150
• Vin (min) (V): 4.5
• Vin (max) (V): 36
• Iout (max) (A): 0.6
• Isw Limit (typ) (A): 4.3
• Max Duty Cycle (%): 0.92
• Vfb (typ) (V): 0.81
• Iq (typ) (mA): 0.58
• Regulated Outputs: 1
• Vout (max) (V): 32
• Vout (min) (V): 0.81
• EN Control: Yes
• Grade: Industrial
• Package: QFN-19 (3x5x1.6)
• Special Features: EMI Tested, External Frequency Sync, Light-Load Efficiency, PWM and PFM Selection
• SS: Internal
• PG: Yes
• Module Assembly: Encapsulated
• Module Type: Fixed

Block diagram

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