Allgemein
- alle Herstellerangaben sind gelogen 😉
- es gibt viele Testberichte auf YouTube (z. B. im Kanal von Onstage LED Lighting)
- für viele Anwendungen muss die Ausgangsspannung erst einmal geglättet werden
Step Down Super Mini
Specification:
- 100% brand new and high quality.
- Module Properties: Non-isolated step-down module (BUCK)
- Rectification: Synchronous rectification
- Input voltage: DC 4.75V-23V
- Output voltage: DC 1.0V-17V (Adjustable, Output < Input)
- Output current: Rated current 1.8A (3A MAX, can not be prolonged)
- Conversion efficiency:96%(highest)
- Switching Frequency: 340KHz.
- Output ripple:30mV(no-load)
- Load regulation:±0.5%
- Voltage regulation:±2.5%
- Operating Temperature: Industrial (-40℃ ~ +85℃)
- Short circuit protection: No(Please do not short-circuit)
- Input Reverse protection: No(Can not be reversed)
- 22mm*17mm*4mm(L*W*H)/0.87“ * 0.67“ * 0.16“ approx Supper mini board
- Bezugsquelle ebay
- Testberichte: Video, Video, Video
- Wirkungsgrad lt. Testbericht ca. 90% bei 1A, wird sehr heiß bei höherer Last
- starke Spikes auf Ausgangsspannung
- Potentiometer sieht sehr windig aus
- Chip WP2307DN (MP2307?)
- weiterer Name: „Mini360 DC Power Supply“
Step Down Mini
- Bezugsquelle ebay
- power save mode
- Chip MP2315 (AGCH)?
- Testberichte: Video, Video (modifiziert), Video (neue Version)
- Test Ausgang 5V, 2A
minimale Eingangsspannung 5,9V
wird warm, aber nicht richtig heiß - Test Ausgang 5V, 0,5A
minimale Eingangsspannung 5,4V - Test Ausgang 12V, 0,8A
wird nicht sehr warm
Step-Down 3.3V (??)
- könnte auch Step-Up-Wandler sein?
Step-Down CV / CC
DC-DC CC CV Lithium Converter Step-down Power Supply Module 5-32V to 0.8-30V LU
Features:
This linear module has constant voltage and constant current function (CC CV). and it has a good performance.
When you use it as a charger. this module use good chip as core and it is stable. also its ripple is low to 50mV.
product properties:
Type: Voltage Regulator
Application: Calculator
Operating Temperature: -40 ℃ to +85 ℃
Voltage Regulation: ± 2.5%
Load Regulation: ± 0.5%
Output ripple: 50mV (max) 20M bandwidth
Switching frequency: 300KHz
Conversion efficiency: 95% (the highest)
Output current: adjustable maximum 5A
Output voltage: 0.8V-30V
Input voltage: 5V-32V
Specifications:
Size: 50 * 26 * 11 (L * W * H) (mm)
Operating Temperature: -40 ℃ to +85 ℃
Voltage Regulation: ± 2.5%
Load Regulation: ± 0.5%
Output ripple: 50mV (max) 20M bandwidth
Switching frequency: 300KHz
Conversion efficiency: 95% (the highest)
Output current: adjustable maximum 5A
Output voltage: 0.8V-30V
Input voltage: 5V-32V
Rectification: non-synchronous rectification
Module Properties: non-isolated constant current and voltage module.
Advantage:
CC CV
Low ripple
When the module charges a battery, it first use constant current to protect the battery. check the curse above.
Package Included:
1 x Lithium Charger Step Down Module
Step Down Module LM2596
XINY LM2596 DC-DC Buck Converter Step Down Module Power Supply Output 1. 5V-33V DIP switch speed setting voltage Potentiometer can fine tune the voltage
This is a flexible and easy to use lm2596, dc-dc step-down module, through six dip switches to set the output voltage flexibility, both indicators show, very convenient
This module uses a six dip switches to 0. 5v stepping coarse, plus trimming 3296 trimming potentiometer, it allows you to quickly and easily to any preset to a voltage of 1. 5v ~ 33v
This module uses two high-quality binding posts
Input voltage: 5-36v.
Output voltage: 1. 5-33v (0. 5v step)
Output current: rated current is 2a, maximum 3a(additional heatsink is required)
Daygreen
12V to 5V 30A 24V to 5V 30 AMP Newest Hot DC DC Step Down Converter Reducer B30-1224-05 Daygreen CE RoHS Certificated
Wide input voltage from 11 to 30V
Stable output voltage is 5V
Work for appliances from 0.5AMP to 30AMP automatically
100% full rated power
100% full stable output current
100% burn-in test
High-efficiency up to 95%
Waterproof sealed
Cooling by free air convection
Surface mountable
1 year warranty
Over-current, over-voltage protections
Over-temperature, shutdown, short-circuit, reverse polarity protections
According to: EN 50498:2010 IP68
