Analog Devices LT8277 | Demoboard EVAL-LT8277-AZ

Description

Evaluation circuit EVAL-LT8277-AZ is a dual-phase non-synchronous high-power step-up converter featuring the LT8277. It regulates the output voltage up to 60V and drives up to a 3A load at 60V when the VIN is between 9V and 36V. The EVAL-LT8277-AZ runs at 200kHz switching frequency with the ability to turn on spread spectrum frequency modulation (SSFM) for reduced EMI emission. It can run with or without SPI communications. Multiple EVAL-LT8277-AZ can be paralleled to deliver more output power. A graphic user interface (GUI) is available when connected to a DC2026C Linduino One demo circuit.

Features

• Wide Input Voltage Range: 3V to 40V
• 2-Phase Interleaved Operation Reduces Input and Output Capacitance Requirements
• SPI Interface for Output Voltage Adjustment
• Low Shutdown Current < 1μA
• Internal 5V Low Dropout Voltage Regulator Supplied from VIN or VOUT
• PGOOD Output Status Reporting Pin
• Programmable Internal Frequency: 100kHz to 2MHz
• Frequency Synchronization
• Clock Output for 4- or 8-Phase Operation
• Spread Spectrum Frequency Modulation (SSFM) for EMI Reduction
• Available in a 3mm × 4mm 20-Lead Side Solderable QFN Package
• AEC-Q100 Qualified for Automotive Applications

Typical applications

• Automotive, Telecom, and Industrial Power Supplies

More information

• Datasheet
• IC product information