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DC 4.5-28V To 1.3V-25V Adjustable Buck Step Down Converter LED Voltmeter

Out of Stock


Product Description

  • Features :

    *In+: Input positive

    *In-: Input negative

    *Out+: Output positive

    *Out-: Output negative

    *Ripple peak: About 100mV

    *Display color: Red

    *Input voltage: 4.5-28V

    *Output power: 15W maximum

    *Output voltage: 1.3v-25v (step-down mode, the input voltage must be 2v higher than the output voltage)

    *Ripple frequency: About 150KHZ

    *Voltage meter accuracy: ± (5 ‰ +1 digit)

    *Static power consumption: Typical about 20mA

    *Output current: 1.5A  



Operating mode description

1.With key off function, and reduce power consumption.

2.Power state can be freely defined

3.Input and output voltages can be displayed alternately

4.On/0ff output status, high level means output off, low level means output on. (note: high level (3.3v), the maximum output current 5mA)

5.Output voltage mode: Boot default display it, LED indicator off

6.Input voltage mode: Press button switch to it , LED indicator on

7.Alternating mode: Press button again input/output voltage alternately display (3s). Press button again, switch to output voltage display.





Memory mode:



Stop working mode:
*Keep pressing the button until the monitor does not display numbers ( long press more than 4s) and release the button. LED lights and module shuts down. *The output voltage is zero. At this time, it does not perform memory function. ON / OFF output high level (3.3V), then the static power consumption is about 2mA. Click the button, the module starts working again.






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