XL4015 DC Voltage Converter 5A 75W Step Down Regulator DC LM2596

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

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

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

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

Descent module.
Use a multimeter to check the output voltage and adjust the potentiometer.
Control of voltage and current.
DC Step-Down Converter 5A 4-38v to 1.25-36v XL4015 LED LiPo features:
- Input voltage: 4-38V
- Output voltage: 1.25-36V
- Current output: adjustable, 4.5A (max 5A)
- Output power: 75W maximum
- Operating temperature: -40 to + 85 ºC
- Operating frequency: 180KHz
- Efficiency conversion: up to 96%
- Short circuit protection: Yes (limited current 8A)
- Protection over temperature: the output switches off automatically
- Size: 62mm x 26mm x 14mm
Principal functions:
- Step-down converter with overcurrent protection
- Li-Po battery charger, Li-Ion

Adjustable Module Buck Converter DC 3A 1,6-26V MP1584 Step-Up Down features:
- Based on the MP1584EN regulator
- Output Voltage: 1.6V - 26V DC (adjustable)
- Input Voltage: 4.5V - 28V DC
- Max. Output Current: 3A (with heat sink)
- Frequency: 1MHz
- Conversion Efficiency (1A): 94%
- Short circuit protection
- Protection against overheating
- Operating temperature: -40ºC to + 85ºC
- Measures 22 x 17 x 4 mm

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%

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%

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

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.