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AC-DC 5V 700MA 3.5W Precision Buck Converter AC 220V To 5V DC Step Down Transformer Power Supply Module
Function characteristics and parameter introduction
The power supply is an industrial-grade isolated module power supply, with temperature protection, over-current protection and full short-circuit protection, high and low voltage isolation, AC85~265V wide voltage input, 431 precision adjustable DC5V output, compact size, stable performance, and high cost performance
Input voltage AC 85~265v 50/60HZ
Output voltage DC5V (±0.2V)
Output current 700mA
Power 3.5W
use environment
project
unit
the minimum value
typical values
the maximum value
test conditions
operating temperature
℃
-20
60
relative humidity
%RH
40
90
no cooling
2. Technical requirements
2.1 input characteristics
appearance size
volume: length, width and height 3*2*1.8(cm)
installation methods
a. Pins can be installed on the input and output terminals and directly welded on the PCB
b, glue fixed
reliability requirements
environment25℃80% average failure-free time under load is greater16000 hours
Precision 5V700mA 3.5W isolation switching power supply module 220 to 5V power supplyOperating temperature: -20°C to 70°C, high-grade green gold capacitors can withstand temperature of 105°C for 10,000 hours, more than 5 years at 70°C, about 20-50 years at room temperature (not recommended for use above 70°C), output filter High-quality solid capacitors
Input voltage range: AC50V-277V DC70V-390V
No-load power: <0.05W Full-load power: <4W
Output characteristics: Multiple modules of the same voltage can be used in parallel to meet the needs of small space and large current.
Output voltage: 5V +-0.15V no load and full load, light load minus 0.1V, recovery at heavy load, 50% load ripple 60mV
Output current: 5V0mA-700mA, enter constant current working mode at full load
Test resistance: 5V with 7 ohms (4.9V)
Output indicator: green light
Output power: 3.5W, efficiency about 80%
Output protection: over voltage, over current, over temperature, over power, short circuit protection, etc.
Operating temperature: -20°C to 70°C, high-grade green gold capacitors withstand temperature of 105°C for 10,000 hours, more than 5 years at 70°C, about 20-50 years at room temperature (not recommended for use above 70°C), high output Quality solid capacitors
Input characteristics:
Input voltage range: AC50V-277V DC70V-390V
No-load power: <0.05W Full-load power: <4W
Output characteristics: Multiple modules of the same voltage can be used in parallel, and small space and large current requirements are connected in series.
Output voltage: 12V -0.05 + 0.3V no load and full load, light load minus 0.1V, recovery at heavy load, 50% load ripple 100mV
Output current: 12V0mA-300mA, enter constant current working mode at full load
Test resistance: 40 ohms for 12V (12V)
Output indicator: green light
Output power: 3.5W efficiency is about 80%
Output protection: over voltage, over current, over temperature, over power, short circuit protection, etc.
Features:The product is easy to install, and the input and output can be welded with 5.08 terminals or pins.There are mounting holes in the four corners, which can be fixed with screws to prevent movement or vibration. The diameter of the fixing holes is 3mm.The global universal input voltage is AC100V-265V, which has strong versatility.High efficiency, strong design density, small size and low output ripple.High isolation between input and outputOverheating, short circuit, over temperature protection are allPower protection: overload, short circuit and over temperature protectionVoltage input: AC100V-265VFrequency input: 50HZ-60HZOutput voltage: DC12VOutput current: rated 2A and 4A protection in advanceOutput power: 24WOverall dimensions: length 6.9cm * width 3.6cm * height 2.5cm