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SP6641BEK-L-3-3/TR Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
SP6641BEK-L-3-3/TREXAR6000Yes

SP6641BEK-L-3-3/TR is a DC-DC converter IC manufactured by EXAR (now part of MaxLinear).

The SP6641BEK-L-3-3/TR is a DC-DC converter IC manufactured by EXAR (now part of MaxLinear). Below are the factual specifications, descriptions, and features of the part:

Specifications:

  • Manufacturer: EXAR
  • Part Number: SP6641BEK-L-3-3/TR
  • Type: Step-Up (Boost) DC-DC Converter
  • Input Voltage Range: 0.8V to 5.5V
  • Output Voltage: 3.3V (Fixed)
  • Output Current: Up to 300mA
  • Switching Frequency: 1.2MHz (Typical)
  • Efficiency: Up to 90%
  • Operating Temperature Range: -40°C to +85°C
  • Package: SOT-23-5
  • Mounting Type: Surface Mount
  • Features: Low Start-up Voltage, Low Quiescent Current

Descriptions:

The SP6641BEK-L-3-3/TR is a high-efficiency, low-power, step-up DC-DC converter designed for battery-powered applications. It provides a fixed 3.3V output from an input voltage as low as 0.8V, making it suitable for single-cell or dual-cell battery systems. The device integrates a power switch and requires minimal external components.

Features:

  • Low Start-up Voltage: Operates down to 0.8V
  • High Efficiency: Up to 90%
  • Low Quiescent Current: 15µA (Typical)
  • Fixed Output Voltage: 3.3V
  • Compact Package: SOT-23-5
  • Internal Power Switch: Reduces external component count
  • Automatic Power-Save Mode: Improves efficiency at light loads
  • Over-Temperature Protection: Ensures safe operation

This information is based on the manufacturer's datasheet and technical documentation.

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