DC-DC 9V/12V/24V to 5V Step Down Regulator USB Charging Car Power Supply Step-down Buck Charging Module

DC-DC 9V/12V/24V to 5V Step Down Regulator USB Charging Car Power Supply Step-down Buck Charging Module
Was: 7.50
Price: 2.24

Feature Product size 35 5 x 17 x 8 3mmInput voltage range 6 26VOutput voltage 5 2V considering the charging line loss the output is about 5 2V the load is about 5V Upper limit output current 3A in the case of no heat sink the stable output upper limit current is 2A Precautions 1 The positive and negative poles cannot be reversed and the input voltage should not exceed 26V otherwise the chip will be damaged 2 When powering on you cant touch the sampling resistor and IC pin on the circuit board by hand Otherwise the output voltage may be suddenly damaged and damage the device 3 Explain to some customers with electronic basics Do not think that the nominal 3A current will burn out the equipment The charging current is determined by the device The charging current for most devices is 0 8 1 5A Tip This is a step down charging module The current indicated by 2A refers to the upper limit current of the load It cannot be compared with the 2A current indicated by the charger ProjectMin ValueTypical ValueMax ValueUnitStandby current Ven 0V 152025uANo load current81218mAInput voltage61226VThe output voltage5 15 255 4VOutput current023AOvercurrent protection current55 56AConduction internal resistance80100120mOn off level335385435KHzHigh temperature protection8590130CConversion efficiency I 7V 0 5V 939597 Ambient temperature 402585CPackage includes 1 x Power supply module
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