High Efficiency Synchronous Step-down DCDC Converter with Programmable Frequency, P2P LM5164.
FEATURES

• Wide Input Range: 4.5V-100V 

• 0.6A Continuous Output Current

• 0.8V ±1% Feedback Reference Voltage

• Integrated 770mΩ High-Side and 460mΩ LowSide Power MOSFETs

• Pulse Frequency Modulation (PFM) with 100uA 

 Quiescent Current in Sleep Mode

• 4ms Internal Soft-start Time 

• Adjustable Frequency 300KHz to 800KHz 

• Precision Enable Threshold for Programmable

 Input Voltage Under-voltage Lock Out Protection 

 (UVLO) Threshold and Hysteresis

• Cycle-by-Cycle Current Limiting

• Over-Voltage Protection

• Over-Temperature Protection

• Available in an ESOP-8 Package












PIN CONFIGUTION
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LM5164 LM5164.pdf

No.10074

FEATURES

• Designed for Reliable and Rugged Applications

– Wide Input Voltage Range of 6 V to 100 V 

– Junction Temperature Range: –40°C to 150°C 

– Fixed 3-ms Internal Soft-Start Timer

– Peak and Valley Current Limit Protection

– Input UVLO and Thermal Shutdown Protection

• Suited for Scalable Industrial Power Supplies and

  Battery Packs

– Low Minimum On- and Off-Times of 50 ns

– Adjustable Switching Frequency up to 1 MHz

– Diode Emulation for High Light-Load Efficiency

 – 10-µA No-Load Input Quiescent Current

– 3-µA Shutdown Quiescent Current

– Optimized for CISPR 32 EMI Standard

• Integration Reduces Solution Size and Cost

– COT Mode Control Architecture

– Integrated 0.7-Ω NFET Buck Switch Supports

   Wide Duty-Cycle Range

– Integrated 0.3-Ω NFET Synchronous Rectifier

   Eliminates External Schottky Diode

– 1.2-V ±1% Internal Voltage Reference

– No Loop Compensation Components

– Internal VCC Bias Regulator and Boot Diode

– Open-Drain Power Good Indicator

– 8-Pin SOIC Package With PowerPAD

• Create a Custom Design Using WEBENCH

   Power Designer

PIN CONFIGUTION
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