XL4015 DC-DC 5A Digital Step-down LED Converter with Voltmeter, Ammeter and USB Output

This module is a voltage regulator that creates an output voltage of 5V with a maximum current of 800mA. The integrated regulator is referenced AMS1117.
The module has two two point connectors for quick connection. Converter module AMS1117 Buck fixed output 5V 800mA features:
- Based on the regulator AMS1117-5V
- Input voltage: 4.5-12VDC
- Output voltage: 5VDC (+/- 0.05V)
- Max output current: 800mA
- Operating temperature: -40C to + 150C
- PCB size: 25x12 mm

Converter DC USB Step Down 7V-24V to 5V 3A features:
- Voltage reduction module with USB connector
- DIY mobile power supply, to achieve the 5v output to charge the phone, mp3, mp4, psp, etc. can not charge for the ipad
- The USB output converter module has short circuit protection 5A current automatic protection
- Based on the monolithic MP2307 controller
- Rectification: not synchronous
- Input voltage: DC 7v to 24v
- Output voltage: DC 5v
- Output current: 3A (Little time 4A)
- Output connection: USB Type A female connector
- Input connection: Terminal with screws
- Efficiency of transformation: 96%
- Switching frequency: 340KHz
- Output ripple: 30mV (max.)
- Load regulation: ± 0.5%

DC Step Down Converter 3.3V 2A 3.4-6V features:
- Voltage drop module
- Input voltage: 3.4-6V
- Output voltage: 3.3V
- Current output: adjustable, max 2A
- Operating temperature: -40 to + 85 ºC
- Operating frequency: 1.5MHz
- Efficiency conversion: up to 95%
- Short circuit protection: Yes (limited current 8A)
- Protection over temperature: the output switches off automatically
- Size: 12 x 15 mm
- Full charge output ripple: Vpp <50 mV
- Output accuracy: ± 0.1V
- Current IQ without load: 0.2mA
- Stop current (EN) <10uA

DC Step-Down Converter 5A 4-38v to 1.25-36v XL4015 LED LiPo. Control of voltage and current.
Use a multimeter to check the output voltage and adjust the potentiometer.

Wide range of voltages, improved version.
Drop module.
They will use a multimeter to Check the output voltage and adjust the potentiometer.
3A DC Converter 4-53V Adjustable LM2596H Step Down Source features:

- Based on the LM2596HVS-ADJ regulator
- Rectification: Asynchronous
- Output Voltage: 3v ~ 40v DC (adjustable)
- Input Voltage: 4.5v - 53v DC
- Max Output Current: 3A (with heat sink)
- Ripple in output voltage: 30mV
- Frequency: 150KHz
- Max Conversion Efficiency: 92%
- Load Regulation: ± 0.5% - Voltage Regulation: ± 2,5%
- Operating temperature: -40ºC to + 85ºC
- Measurements: 43x 21x 14 mm

A high-performance regulator-booster.
24V battery charger - DC / CV method.
Power supply of the laptop from a 12V car battery.
A high-performance dimmer-regulator.
Charger for Li-Ion, Li-Po batteries etc. - CC / CV method.
LED Constant current driver for LED diodes.
Characteristic:
- Input voltage: 6V -40V
- Output voltage: 1.25-35V (adjustable)
- Output current: 8A, (10A maximum)
- Output power: 300W maximum
- Efficiency of Conversion: up to 95%
- Wiring: Solderless terminal
- Operating frequency: 300kHz
- Ambient temperature exceeds 40 ° C, increase heat dissipation
- LED indicator two-color;
- Charge red
- Fully charged light green
- No charge green

Mini DC Converter 1.8A Downstream Voltage Regulator 4.7-23V to 1.0-17V features:
- Voltage Drop Module
- Use a multimeter to check the output voltage and adjust the potentiometer
- Small size: 17mm x 11mm
- Input voltage: 4.75-23V
- Output voltage: 1.0-17V
- Current output: 1.8A (peak max. 3A)
- Operating temperature: -40 to + 85 ºC
- Operating frequency: 240kHz
- Conversion efficiency: up to 96%
- Output ripple: 30mV (no-load) - Voltage regulation: ± 2.5%

AMS1117 Buck fixed output module 3.3V 800mA features:
- Based on AMS1117-3.3V regulator
- Input Voltage: 4.5 - 12Vdc
- Output Voltage: 3.3 Vdc (+/- 0,05V)
- Max.output current: 800mA
- Operating temperature: -40ºC to + 150ºC
- Dimensions: 25mm x 12mm

This power supply delivers an output voltage lower than that of the input and allows power loads up to 10A.
It has its heat sink, it is Recommended to use it for loads up to 8A for optimal cooling.
Includes its foot protection kit, which greatly facilitates heat dissipation and use. 10A DC-DC Converter Adjustable Downstream 8V-40V to 1.25V-36V features:
- Input voltage: DC 8V-40V
- Output voltage: DC 1.25V-36V adjustable with potentiometer (can only be used as a reducing module, the input must be higher than 1.25V output)
- Output current: 8A (Max 10A for a short time), adjustable with potentiometer. Below 5A it can cool naturally
- Output power: Max 150W
- Key components:
- Electrolytic capacitors 470µF - 50V