High Efficiency Synchronous Step down DCDC Converter with Internal Compensation,Replace LM22672-7.
FEATURES

 Wide Input Range: 3.8V-40V

• Up to 3.5A Continuous Output Current

• 0.8V ±1% Feedback Reference Voltage

• Integrated 80mΩ High-Side and 50mΩ Low-Side

  Power MOSFETs

• Pulse Skipping Mode PSM with 25uA Quiescent

  Current in Sleep Mode

• Fixed Frequency 570kHz

• 100ns Minimum On-time

• 2ms Internal Soft-start Time

• Frequency Spread Spectrum FSS Modulation for

  EMI Reduction

• Precision Enable Threshold for Programmable

  UVLO Threshold and Hysteresis

• Low Dropout Mode Operation

• Derivable Inverting Voltage Regulator

• Over-voltage and Over Temperature Protection

• Available in an ESOP-8 Package


PIN CONFIGUTION
优势替代
LM22672 LM22672.pdf

No.13230

FEATURES

 Wide Input Voltage Range: 4.5 V to 42 V

• Internally Compensated Voltage Mode Control

 Stable with Low ESR Ceramic Capacitors

 200 mΩ N-Channel MOSFET

 Output Voltage Options:

   ADJ (Outputs as Low as 1.285 V)

   5.0 (Output Fixed to 5 V)

 ±1.5% Feedback Reference Accuracy

 500 kHz Default Switching Frequency

 Adjustable Switching Frequency and Synchronization

 –40°C to 125°C Junction Temperature Range

 Precision Enable Input

 Integrated Boot-Strap Diode

 Adjustable Soft-Start

 Fully WEBENCH® Enabled

 LM22672-Q1 is an Automotive Grade Product 

  that is AEC-Q100 Grade 1 Qualified (–40°C to

  125°C Junction Temperature)

 SO PowerPAD (Exposed Pad)

PIN CONFIGUTION
网站地图