LTC3780 Step-down/Step-up DC to DC Regulator Module

LTC3780 Step-down/Step-up DC to DC Regulator Module
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  • Product Code:SQ8539
  • Availability: 1000
  • $4.90
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  • Ex Tax:$4.90
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Tags: regulator, dc step-down module, LTC3780 step-up step-up regulator, LTC3780 regulator module

Description:
The LTC3780 regulator module is a step-up DC to DC converter based on the LTC3780 chip. This module has the ability to increase and decrease the input voltage to any amount of voltage set in the output.
DC to DC regulator LTC3780 is a suitable option for charging batteries through solar cells. Considering that solar panels usually have different output voltage during the day, this module can stabilize this voltage and be used to charge different batteries. Another great advantage of this module is the cut-off voltage of the module. which can cut off the output voltage when the input voltage level is lower than the desired value. This advantage prevents the battery from being damaged when charging the battery.

Application:
Automotive
Telecom
Battery-powered systems

Features:
Input voltage: DC5-32V, recommend the use of a voltage above 10V
Output voltage: DC1V-30V continuously adjustable; default 12V shipments
Output Current: 10A (MAX) long 7A within the default 4A delivery
Output power: long-term 80W, peak 130W, exceeding 80W please enhance heat dissipation
Output ripple: 50mV (12V switch 12V, 5A measured)
Enter the reverse polarity protection: None, if necessary, please Schottky diode in series with the input
Output anti-intrusion: None, if necessary charge, at the output Schottky diode in series
Operating temperature range: -45 ~ + 85 ° C
Size: 77.6 * 46.5 * 15mm (containing aluminum underside of the heat)
Short circuit protection: Yes
Usage Method:
1. Battery voltage protection adjustment method: (10V to 12V lead-acid battery undervoltage protection settings, turn off the output, for example)
to adjust the input power supply connected to 10V, adjust potentiometer undervoltage protection (clockwise to increase, counterclockwise to decrease ) until just the fault indicator (red) lights up, that setting is successful; so when the battery discharges to 10V, it will automatically cut off the power supply to protect the battery from damage.
Note: If not battery powered can not set;
2. output voltage adjustment method: connect the power input (voltage greater than the undervoltage protection value), the red light is not bright, blue lights, output connected multimeter, adjust the output voltage potentiometer ( clockwise to increase, decrease counter-clockwise), until the desired voltage;
Note: The normally red light does not light, blue light is on, otherwise it is a fault, input undervoltage lockout, output over-current protection, output short circuit protection, Troubleshooting on again.
3. Output current adjustment method: (to 12V input 12V lead-acid rechargeable battery, the charging current 5A, for example)

Connected to 12V power input, output and coupled ammeter (red pen then output positive, black pen then negative, direct output short recommendation. with more than 15A ammeter, to prevent burning insurance), adjust the constant current potentiometer (clockwise to increase, counterclockwise to decrease) until the meter displays the desired value of 5A, remove the meter, connect the battery to charge properly.

Note: If used for constant pressure device, you only need to set the maximum output current.

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