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42 V Input, 3.5 A, Step Down DC-DC Converter with Eco-mode?, SCT2432 Replace TPS54340.
FEATURES

Wide Input Range: 3.8V-40V

Up to 3.5A Continuous Output Current

0.8V ±1% Feedback Reference Voltage

Pulse Skipping Mode (PSM) with 25uA Quiescent Current

100ns Minimum On-time

Programmable Soft-start Time

Adjustable Frequency 300KHz to 2.2MHz

External Clock Synchronization

Frequency Spread Spectrum (FSS) Modulation for EMI Reduction

Low Dropout Mode Operation

Derivable Inverting Voltage Regulator

Over-voltage and Over-Temperature Protection

Available in an ESOP-8 Package 









PIN CONFIGUTION
優(yōu)勢替代
TPS54340 TPS54340.pdf

No.13330

FEATURES

? 4.5 V to 42 V (45 V Abs Max) Input Range

? 3.5 A Continuous Current, 4.5 A Minimum Peak

  Inductor Current Limit

? Current Mode Control DC-DC Converter

? 92-mΩ High-Side MOSFET

? High Efficiency at Light Loads with Pulse Skipping

  Eco-mode?

? Low Dropout at Light Loads with Integrated BOOT

  Recharge FET

? 146 μA Operating Quiescent Current

? 1 μA Shutdown Current

? 100 kHz to 2.5 MHz Fixed Switching FrequencyTPS54340 

? Synchronizes to External Clock

? Adjustable UVLO Voltage and Hysteresis

? Internal Soft-Start

? Accurate Cycle-by-Cycle Current Limit

? Thermal, Overvoltage, and Frequency Foldback

  Protection

? 0.8 V 1% Internal Voltage Reference

? 8-Terminal HSOP with PowerPAD? Package

? –40°C to 150°C TJ Operating Range

? Create a Custom Design with WEBENCH Tools

PIN CONFIGUTION
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