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LM64440BPPQRYFRQ1: Automotive-Grade Synchronous DC/DC Buck Converter with Superior Efficiency and Ultra-Low IQ 

Basic Information: 

Model No.: LM64440BPPQRYFRQ1 

Package: VQFN-FCRLF-22 

Type: Synchronous Buck Converter 

Product Details: The LM64440BPPQRYFRQ1 features pin-selectable light-load LM64440BPPQRYFRQ1 3V to 36V, 4A, automotive-grade synchronous DC/DC buck converter with pin-selectable light load mode, optimised for reliability and low EMI.

LM64440BPPQRYFRQ1 - Product Attributes: 

Multi-Function Synchronous DC/DC Buck Converter 

- Wide 3V to 36V input voltage range, withstands load-dropout transients up to 42V 

- 4A and 6A options available 

- 1% accuracy, 3.3V/5V fixed or regulated output voltages (1V to 95% VIN) - 150°C, 1.5V to 95% VIN - 2.5V to 5V fixed or regulated output voltages (1V to 95% VIN) 95% VIN) 

- 150°C maximum junction temperature 

- Fixed 2.1MHz switching frequency (adjustable from 200kHz to 2.2MHz with SYNC signal) 

Improved reliability through optimised pin arrangement design and adjacent pin short circuit test gaps 

Designed to meet low EMI requirements 

- Enhanced HotRod™ QFN package with dual input paths reduces switching point ringing - Pins are pin-capped to reduce switching point ringing Joint ringing 

- Pin-configurable spread spectrum modulation 

- Selectable FPWM or PFM modes at light loads 

High efficiency across the entire load range 

- 92.5% at 13.5V VIN, 5V VOUT, 6A, 2.1MHz 

- 7µA typical at 3.3VOUT no-load input current 

- 0.6µA typical shutdown quiescent current 

- Typical dropout at full load of 0.6 V - External circuitry for improved efficiency V 

- with external bias options for efficiency enhancement 

LM64440BPPQRYFRQ1 - Applications: 

Automotive Infotainment Systems and Instrumentation Clusters: audio mainframe, media centre, USB charging, displays 

Automotive ADAS and Body Electronics

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  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

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• 6.Can the company issue an invoice?

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