LTC1871 DC-DC 3.5-30V 6A 100W Adjustable High Power Boost Power Module Step Up Board Converter


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1. In+: Input positive
2. In-: Input negative
3. Out+: Output positive
4. Out-: Output negative
5. weight: 40g
6. Dimensions: 67 x 42 x 18mm (L x W x H)
7. Input voltage: DC 3.5-30V
8. Output power: 100W maximum {Note: according to the law of conservation of power, computation under the condition of rated output current : Uin*Iin*efficiency =Uout*Iout(Uin:input voltage, Iin:input current)}
9. Output voltage: 3.5v-30v (step-up mode, the input must be less than or equal to the output voltage)
10. Input current: 6A (maximum 10A)
11. Voltage meter accuracy: ± (5 ‰ +1 digit)
12. Static power consumption: Typical about 15mA(With the input voltage, output voltage and the color is closely related to the digital pipe. The actual current there is a deviation)


With key off function, and reduce power consumption

Input and output voltages can be displayed alternately

Power state can be freely defined

The input has the function of reverse connection protection, and even if the wrong connection, it will not burn out. (MOS tube reverse connection protection circuit)

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

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

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

LED voltmeter stop working mode(the mode is still working): keep pressing the button until the monitor does not display numbers ( long press more than 4s) and release the button. LED lights shuts down. At this time, it does not perform memory function. Click the button, the LED voltmeter starts working again.

Data Testing (Voltmeter Open):

3.7 V to 5 V / 2 A      82.5% efficiency

5 V to 12 v / 2 A       88.4% efficiency

7.4 V to 12 V / 2 A    90.2% efficiency

12V to 18 v/ 2 A       93.6% efficiency

18V to 24 v / 2 A      95.3% efficiency

24V to 30 v 2 A        97.1% efficiency

Conclusion: the higher the input voltage is more efficient. Close the voltmeter boost module will get higher work efficiency.

Package included:

1 x LTC1871 boost Power module