DC-DC Converter 12V to 3V/5-24V to 3.3V 1A Mini Non-isolated Step Down Module QS-7803-1A

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3.42 3.08 Piece 3.08 USD

¥ 24.00

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Brand: QSKJ

Model: QS-7803-1A

Parameters:

  • Dimension: 11.6*10*5.8mm

  • Module Properties: Non-isolated step-down module (buck)

  • Rectifier mode: Synchronous rectification

  • Input voltage: 5-24V

  • Output voltage: 3.3V (precision ± 1%)

  • Output power: 3.3W

  • Recommended input and output capacitors: input capacitance 10UF (ceramics), the output capacitor 22UF (ceramic)

  • Maximum capacitive load: 1000UF

  • Output current: 1A

  • Conversion efficiency: input voltage 5V 94% (highest), input voltage 20V 85% (minimum)

  • Operating temperature: industrial - grade (-40 ° c to + 85 ° c) (85 ° c output current 0.5 A)

  • The maximum case temperature at working: 100 ° c

  • Full load temperature rise: 50 ° c

  • Load regulation: ± 0.5 %

  • Voltage regulation: ± 0.5 %

  • Output ripple: 1A load current (typical application circuit, the input of ceramic capacitors 10UF, output ceramic capacitors 22UF)

  • Input 6.5V output ripple 13mV

  • Input 12V output ripple 30mV

  • Input 20V output ripple 45mV

  • Bandwidth: 20M

  • If you ripple to lower the need, please install LC filter at the output

  • Dynamic response speed: 5% 200uS

  • Short circuit protection: current limit (3A), self-recovery

  • Over-temperature protection: 150 ° c

  • Static current: 7-20 mA (the higher the input voltage, the higher of the static current)

  • Input reverse polarity protection: None

  • Wiring: Welding, the SIP-3 package, compatible with the LM7805.