LMR36510ADDAR

The LMR36510 regulator is an easy-to-use synchronous step-down DC/DC SIMPLE SWITCHER converter. With integrated high-side and low-side power MOSFETs, it delivers up to 1A output current over a wide 4.2V to 65V input voltage range. Transient voltage tolerance up to 70V helps reduce solution size and cost by providing overvoltage protection and meeting the IEC 61000-4-5 surge immunity requirements. The LMR36510 uses a peak current mode control scheme to deliver excellent efficiency and output voltage accuracy. The precision enable feature provides the flexibility to connect directly to a wide input voltage or to precisely control device startup and shutdown. The power-good flag with built-in filtering and delay provides a true indication of system status, eliminating the need for an external supervisor. With integrated internal compensation, the device reduces external component count and offers a pin assignment optimized for simple PCB layout. Its feature set is designed to simplify implementation across a wide range of end equipment. The LMR36510 is pin-to-pin compatible with the LMR36520 (65V, 2A), LMR33610, LMR33620, LMR33630, and LMR33640 (36V, 1A/2A/3A/4A), completing the latest family of SIMPLE SWITCHER converters. This enhances the ease of use and scalability of wide input voltage converters across commonly used voltage and current ratings without requiring a PCB layout redesign, reducing overall cost and design effort while shortening time to market. The LMR36510 is available in an 8-pin HSOIC package.

Applications

• IP network cameras
• Analog security cameras
• HVAC valve and actuator control
• AC drive and servo drive control modules
• Analog input modules and mixed I/O modules
• Universal wide input voltage power supplies

Key features

• Designed for reliable, durable applications
• Input transient protection up to 70V
• Protection features: thermal shutdown, input undervoltage lockout, cycle-by-cycle current limiting, and hiccup short-circuit protection
• Ideal for scalable industrial power supplies
• Pin-compatible with: LMR36520 (65V, 2A), LMR33610/LMR33620/LMR33630/LMR33640 (36V, 1A, 2A, 3A, or 4A)
• Internal compensation helps reduce solution size, cost, and design complexity
• Switching frequency: 400kHz
• Input voltage range: 4.2V to 65V
• Output voltage range: 1V to 95% of VIN
• Low power dissipation across the full load range
• Improved light-load efficiency in PFM mode
• Operating quiescent current as low as 26μA
• Power-good output with filter and delayed release