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High Efficiency Synchronous Step-down DCDC Converter with Programmable Frequency, P2P TPS54340.
FEATURES

? Wide Input Range: 4.5V-60V

? Up to 3.5A Continuous Output Current 

? 0.8V ±1% Feedback Reference Voltage

? Integrated 80m? High-Side

? Low Quiescent Current: 175μA 

? Pulse Skipping Mode (PSM) in light load

? 130ns Minimum On-time

? 4ms Internal Soft-start Time 

Adjustable Frequency 100KHz to 1.2MHz 

? External Clock Synchronization 

? Precision Enable Threshold for Programmable 

  Input Voltage Under-Voltage Lock 

  Out Protection (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
TPS54340 TPS54340.pdf

No.13269

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 Frequency

? 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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