Analog Devices MAX17640B

Description

The Himalaya series of voltage regulator ICs, power modules, and chargers enable cooler, smaller, and simpler power-supply solutions. The MAX17640 family of products are high-efficiency, high-voltage, Himalaya synchronous DC-DC converters with integrated MOSFETs operating over a wide input-voltage range of 4.5V to 60V.

Features

• Eliminates External Components and Reduces Total Cost
• No Schottky—Synchronous Operation for High Efficiency and Reduced Cost
• Internal Compensation
• Internal Feedback Divider for Fixed 3.3V, 5V Output Voltages
• Internal Soft-Start
• All Ceramic Capacitors, Ultra-Compact Layout
• Flexibility to Support Multiple Rails in a System
• Wide 4.5V to 60V Input Voltage Range
• Fixed 3.3V and 5V Output Voltage Options
• Adjustable 0.9V to 0.89 x VIN Output Voltage Option
• Delivers up to 400mA Load Current
• Configurable Between PFM and Forced-PWM Modes
• Reduces Power Dissipation
• 92% Peak Efficiency
• PFM Feature for High Light-Load Efficiency
• 2.2μA (typ) Shutdown Current
• Operates Reliably in Adverse Industrial Environments
• Hiccup-Mode Current Limit and Auto-retry Startup
• Built-In Output Voltage Monitoring with Open-Drain RESET Pin
• Programmable EN/UVLO Threshold
• Monotonic Startup into Prebiased Output
• Overtemperature Protection
• Wide -40°C to +125°C Ambient Operating Temperature Range and -40°C to +150°C Junction Temperature Range
• Complies with CISPR32 (EN55032) Class B Conducted and Radiated Emissions

Typical applications

• 4–20mA Current Loops, HVAC and Building Control, High-Voltage LDO Replacement, General Purpose Point-of-Load
• Industrial Sensors

More information

• Datasheet
• IC product information