Onyehn 5pcs LM317 Adjustable Voltage Regulator Power Supply DC-DC Step-Down DC Converter Circuit Board Adjustable Linear…

Amazon.com Price: $7.99 (as of 01/16/2022 12:18 PST- Details) & FREE Shipping. Details

Adjustable three-terminal voltage regulator module, can replace all three-break voltage regulator modules such as 7805, 7806, 7809, 7812, 7824.
On-board regulated power supply, connect the input end of this module to the cigarette lighter of the car, and adjust the potentiometer.
The output voltage can be adjusted to 1.25V-30V for your mobile phone, MP3, MP4, PSP and many other devices, very simple and convenient.

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Description


Product Description:
Output Current : 1.5A ( minimum ), 2.2A ( typical value )
nput-output voltage difference (VI-VO): 40Vdc ( max )
Adjustable output voltage range : 1.2 ~ 37V
Working temperature : -55 ° C to + 150 ° C
Current output : 1.5A
Voltage Input : 4.2 ~ 40 V
Operating temperature : 0 ° C ~ 125 ° C
Characteristic frequency : 100 (MHz)
Module size : 35.6 (mm) x16.8 (mm)

Method Of Use:
Input mode : VIN input positive level , GND input negative
Output : VOUT output positive level , GND output negativetive
Maximum output current: maximum output current = 3 / (input voltage – output voltage)
Input voltage: 4.5V-40V (the highest measured limit can reach 40V)
Adjustment mode: connect the input power supply first(between 4.5V-40V), then use the multimeter to monitor the output voltage and adjust the potentiometer (generally turn the booster clockwise, reverse the buck)

Tips:
Please adjust the required voltage with no load is applied when adjusting the voltage.

Package:
5*LM317 module

Adjustable three-terminal voltage regulator module, can replace all three-break voltage regulator modules such as 7805, 7806, 7809, 7812, 7824.
On-board regulated power supply, connect the input end of this module to the cigarette lighter of the car, and adjust the potentiometer.
The output voltage can be adjusted to 1.25V-30V for your mobile phone, MP3, MP4, PSP and many other devices, very simple and convenient.
When need 1.25-60V to charge your electronic device, there only have 12V or 24V battery power, you can use it directly to step down 1.25-30V to solve your troubles.
the front stage of the system is powered . When you input the power supply voltage lower than the voltage you need (1.25V-30V) when you are working on a project, choose it for your best choice.

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