Input Voltage: 3-32V
Output Voltage: 5-35V
Output Current: 4A(MAX)
Output Ripple: 50mV (Higher voltage, larger current and ripple)
Switching Frequency: 400KHz (LM2577 only 50KHz)
Operating Temperature: -45 to +85 degree centigrade
Transfer Efficiency: less than or equal to 94%
Load Regulation: plus or minus 0.5%
Voltage Regulation: plus or minus 0.5%
Wiring Method: Terminal or solder terminal
The self-calibration method of voltmeter:
1. When the voltmeter shows output voltage, long press the right button for 2 seconds, then release, voltmeter and “OUT” LED flash in synchronization. Now the voltmeter enters into output voltage calibration mode. Similarly, when the voltmeter shows input voltage, long press the right button for 2 seconds, then release, voltmeter and “IN” LED flash in synchronization, now the voltmeter enters into input voltage calibration mode.
2. Touch the right button, the voltage rises a unit; Touch the left button, the voltage drops a unit. Due to a unit is less than 0.1 V, so you need to continuously press 5 times to see that the voltmeter changes 0.1 V.
3. After calibration, long press the right button for 2 seconds, then release. Now the voltmeter exits the voltage calibration mode. All the parameters will be saved automatically.
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