4.5V to 42V Input, 3.5A Buck Converter, SGM61433 Replace TPS54340.
FEATURES
 4.5V to 42V Input Voltage Range
 0.8V to 36V Adjustable Output Voltage Range
 Integrated 68mΩ High-side MOSFET Supports up
  to 3.5A Continuous Output Current
 Programmable Switching Frequency: 100kHz to
  2500kHz
 Low Quiescent Current: 148μA (TYP)
 Low Shutdown Current: 2.6μA (TYP)
 Power-Save Mode for High Light Load Efficiency
 Frequency Synchronization to External Clock
 Programmable UVLO Threshold
 Over-Voltage Transient Protection
 Cycle-by-Cycle Current Limit
 Frequency Fold-Back Protection
 Integrated BOOT Recharge FET for Low Light
  Load Dropout
 Thermal Shutdown (+176℃)

 Available in a Green SOIC-8 (Exposed Pad) Package





PIN CONFIGUTION
CROSS
TPS54340 TPS54340.pdf

No.13203

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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