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2A Synchronous Step down DCDC Converter with EMI Reduction, SCT9320 Replace TPS54233.
FEATURES

EMI Reduction with Switching Node Ringing-free

500kHz Switching Frequency with 6% Frequency

  Spread Spectrum FSS

Pulse Skipping Mode PSM with 20uA Quiescent

  Current in Light Load Condition

3.8V-32V Wide Input Voltage Range

? Up to 2A Continuous Output Load Current

0.8V ±1% Feedback Reference Voltage

Fully Integrated 130mΩ Rdson High Side MOSFET

  and 70mΩ Rdson Low Side MOSFET

1uA Shut-down Current

80ns Minimum On-time

Precision Enable Threshold for Programmable

  UVLO Threshold and Hysteresis

? Low Dropout Mode Operation

? 4ms Built-in Soft Start Time

Output Over Voltage Protection

PIN CONFIGUTION
優勢替代
TPS54233 TPS54233.pdf

No.13256

FEATURES

3.5- to 28-V Input Voltage Range

Adjustable Output Voltage Down to 0.8 V

Integrated 80-m? High-Side MOSFET Supports 

  up to 2 A Continuous Output Current

High Efficiency at Light Loads with a 

  Pulse Skipping Eco-mode?

Fixed 570-kHz Switching Frequency

Typical 1-μA Shutdown Quiescent Current

Adjustable Slow-Start Limits Inrush Currents

Programmable UVLO Threshold

Overvoltage Transient Protection

Cycle-by-Cycle Current Limit, Frequency Fold

Back and Thermal Shutdown Protection

Available in Easy-to-Use SOIC8 Package

Supported by WEBENCH? Software Tool 



PIN CONFIGUTION
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