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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
優勢替代
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 m? 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
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