7Semi Buck Converter 6V-40V IN, 5V 600mA Fixed OUT

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7Semi Compact 5V 600mA AP64060 Synchronous Buck Converter with 640V Wide Input Range
The 7Semi Buck Converter Module is a compact synchronous DC-DC step-down regulator designed to provide a fixed 5V output from input supplies ranging from 6V to 40V DC. Based on the AP64060 synchronous buck regulator, it supports loads up to 600mA and is suitable for powering microcontrollers, sensors, communication modules, embedded electronics, IoT devices, and other 5V circuits from higher-voltage DC sources.
The converter integrates high-side and low-side power MOSFETs to provide synchronous rectification without requiring an external catch diode. A 2MHz switching frequency enables a compact power-stage design, while Pulse-Frequency Modulation (PFM) helps reduce power consumption during light-load operation. Integrated undervoltage lockout, output overvoltage protection, cycle-by-cycle current limiting, and thermal shutdown support reliable operation in industrial, automation, embedded, and general-purpose power applications.
Key Features

Wide Input Range: Accepts 640V DC input
Fixed Output Voltage: Provides regulated 5V DC
Output Current: Supports loads up to 600mA
Buck Converter IC: Diodes Incorporated AP64060
Synchronous Architecture: Integrated high-side and low-side power MOSFETs
High-Side MOSFET: 600m integrated power MOSFET
Low-Side MOSFET: 300m integrated power MOSFET
No External Catch Diode: Synchronous rectification reduces external component requirements
High Switching Frequency: Operates at approximately 2MHz
PFM Operation: Pulse-Frequency Modulation improves light-load efficiency
Low Quiescent Current: AP64060 supports approximately 90A quiescent current in PFM operation
Undervoltage Protection: Integrated undervoltage lockout
Output Overvoltage Protection: Protects against excessive output-voltage conditions
Current Protection: Cycle-by-cycle peak-current limiting
Thermal Protection: Integrated thermal shutdown
Wide Temperature Range: Module operates from -40C to +85C
Compact Design: Measures only 16.0×10.0x2.97 mm

Applications

5V microcontroller power supplies
IoT devices
Embedded electronics
Sensor power supplies
Communication modules
Industrial automation
Robotics electronics
Point-of-load regulation
Distributed power systems
Instrumentation
Battery-powered electronics
Prototype power supplies
General-purpose DC voltage conversion