5V DC 20A 100W Switching Power Supply

$58.15

5V DC, 100W switching power supply can convert full range AC (selected by switch) to DC, current rating to 10A. Cheap and rel

SKU: CHN-SMPS-100-5

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Delivery date: 6-12 days

Overview
Documents

Features

Universal AC input range selectable by a switch
Protections: short circuit and overload
Cooling by free air convection
LED indicator for power on
100% full load burn-in test
Low cost and high reliability

Specification

Model		CHN-S-100-5
Output	DC Voltage	5V
	Rated Current	20A
	Current Range	0 ~ 20A
	Rated Power	100W
	Ripple & Noise (Max.)(Note 2)	100mVp-p
	Voltage Adjust Range	4.75 ~ 5.5V
	Voltage Tolerance (Note 3)	±2.0%
	Line Regulation	±0.5%
	Load Regulation	±0.5%
	Setup, Rise, Holdup Time	200ms, 80ms, 20ms at full load
Input	Voltage Range	85 ~ 132VAC/180V~264VAC (selected by a switch) or 255 ~ 370VDC
	Frequency Range	47~63Hz
	Efficiency (Typ.)	78%
	AC Current (Typ.)	2.4A/115V AC 1.2A/230V AC
	Inrush Current (Typ.)	Cold start: 30A/115V AC 60A/230V AC
	Leakage Current	<1mA/240V AC
Protection	Overload	105~150% rated output power Protection type: Shut down output voltage, re-power on to recover.
Environment	Working Temperature	-10 ~ +60℃
	Working Humidity	20~90% RH non-condensing
	Storage Temperature	-20~+85℃
	Storage Humidity	10~95% RH non-condensing
	Temperature Coefficient	±0.03%/℃ (0~50℃)
	Vibration	10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes
Safety & EMC (Note 4)	Safety Standards	UL1012 Approved
	Withstand Voltage	I/P-O/P: 1.5KVAC I/P-FG: 1.5KVAC O/P-FG: 0.5KVAC
	Isolation Resistance	I/P-O/P, I/P-FG, O/P-FG: 100M Ohms/500VDC/25℃/70% RH
	EMC Emission	Compliance to FCC Part 15 J conduction Class B
Others	MTBF	≥322.4K hrs MIN. MIL-HDBK-217F (25℃)
	Dimension	1999838mm (LWH)
	Weight	0.63kg
Note	1. All parameters NOT specially mentioned are measured at 230V AC input, rated load and 25°C of ambient temperature. 2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor. 3. Tolerance includes set up tolerance, line regulation and load regulation. 4. The switching power supply is considered a component which will be installed into final equipment. Please make sure that the final equipment still meets EMC directives.

Dimension (Unit: mm)

SMPS Power Supply Applications

Power Tools
Electric Saw, Drilling Machine, Ginder, Sand Blast Machine, Puching Machine, Weeding Machine, Air Compressor, etc.
Offices Devices
Computer, Printer, LCD Monitor, Scanning Machine, etc.
Electrics & Household Appliance
TV, VCRS, Radio, Dust Collector, Fan Lamp or LED Strip, Sewing Machine, Microwave Oven, Fridge/Freezr, Coffemarker, etc.
Industrial Equipemnt
Monitoring Equipment, Shipping, Vehicle, Metalhalide Lamp, Solar System, Wind Power Generation, etc.

Tips: Working principles of switching power supply

In simple words, switching power supply operates by the following working principles:

AC is rectified and smoothed to DC.
Output the DC to primary level of switch transformer by high-frequency signal control switch.
Primary level of the switching transformer detects high-frequency voltage and supply the voltage to load through rectification and smoothing process.
The output system sends feedbacks to the control circuit through certain circuits to regulate current output by controlling occupation ratio of PWM.

AC needs to go through the choking coil when being input. Switching power supply is used to filter noise wave of power grid and prevent power supply from outputting noise waves to the power grid. If the power stays the same, higher frequency of the switch will indicate smaller size of switch transformer and higher requirement for switch tube. To meet requirements for output, secondary level of the switch transformer is composed of several windings or just one winding with several taps. Generally speaking, the switch transformer is often equipped with protective circuit to protect switching power supply from idle load or short circuit, or the power supply may be burned out.

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