100-V Input, 1A Synchronous Buck DC/DC Converter With Ultra-Low IQ , SCT2A26 Replace LM5164.
FEATURES

• Wide Input Range: 5.5V-100V

• Maximum Output Voltage: 30V
• 2A Continuous Output Current
• 4A Peak Current Limit
• Integrated 500mΩ High-Side Power MOSFET
• 140uA Quiescent Current
• 1.2V ±1% Feedback Reference Voltage
• 4ms Internal Soft-start Time
• Fixed Switching Frequency at 300KHz
• COT Control Mode with Integrated Loop
  Compensation
• 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
优势替代
LM5164 LM5164.pdf

No.14490

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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