Structure Type: Bare Board
Output Power: 90W
Input Voltage: 90~264VAC
Input Frequency: 47~63Hz
Output Voltage: 54V
Output Voltage Accuracy: 0.05
Output Current: 1.67A
MTBF: At least 100,000 hours
Protection: OCP, SCP
Efficiency: >85%
Inrush Current: Cold start 230VAC/80A (MAX)
Working Temperature: -10~+40°C
Warranty Period: 2 Years
General
The specification defines the performance characteristics of a 90 W, SINGLEOutputlevelswitching power supply for IT . The power supply has designed highly reliable and meet international safety and radiation requirements.
1.0Input Characteristics
1.1 Input voltage range and frequency
Nominal Voltages | Voltage Variation Range | Nominal Frequency | Frequency Variation Range |
100-240VAC | 90-264VAC | 50-60Hz | 47-63Hz |
Rated voltage: 100-240VAC
Voltage variation range: 90-264VAC
Rated frequency: 50-60Hz
Frequency change range: 47-63Hz
1.2Input Current
2.5A max | At AC low line input and DC output full load |
At low line AC and full load, the maximum input current is 2.5A
1.3Input protection
5A Fuse | The power supply shall be protected against power line surges and any abnormal condition. |
When the AC input voltage has surges and abnormal conditions, the 5A fuse will protect the power supply
1.4Input surge current
80A max | At power supply cold start, ambient temperature 25℃@220Vac |
At 25°C ambient temperature, when the input is 220Vac cold state, the maximum surge current is 80A
1.5Efficiency
1.5.1 min.At nominal input voltage,maximum load and measured at end of DC cable
Under the rated input voltage and full load, the efficiency of the DC terminal is minimum
1.5.2 Active mode efficiency:
More than 89 %min of average efficiency of 25%,50%,75% and 100% load tested at 115Vac/ 230Vac.(Warm up after 30 minutes)
115Vac/ 230Vac input, the average efficiency under test 25%, 50%, 75%, 100% load conditions is 89% minimum
1.5.3 Energy efficiency
No Load Power consumption
0.4Wrms max | At AC nominal input@output no load |
In the case of rated input AC and output no-load, the maximum no-load loss is 0.4W
1.6Hold up time
10ms min | At AC nominal input@ output full load |
(1 half cycle) |
Under the condition of rated input AC and output full load, the minimum holding time is 10ms.
2.0Output Characteristics
2.1Turn on delay
3Smax | At AC low line input@output full load |
In the case of AC low voltage input and output full load, the boot delay time is up to 3S
*Test on delay is measured from 0 voltage output to the main output regulation.
2.2DC output regulation
Voltage(V) | Loading(A) | ToleranceRange Total Regulation | Adjustable voltage | Range(V) | |
Max | Min | ||||
+54 | 1.67A | 0A | ±5% | None | 51.3~56.7 |
*The total adjustment rate relates to the cross adjustment rate of linearity and load
*The test condition of linear adjustment rate is 90Vac to 2640Vac
*The test condition of load regulation is the change from the minimum load to the maximum load under the 110Vac/220Vac input condition.
2.3Ripple/noise
Voltage(V) | Ripple/Noise(pk-pk)(mV) |
+54 | 300mV |
*The ripple is measured from peak to peak with band width limit of 20MHZ
(By passed at the end of connector with 10uF electrolytic and 0.1uF ceramic diskcapacitor under DC output full Load, AC nominal input 25℃ambient temperature).
3.0Protection
3.1 Short protection / Over current protection
The power supply will self-protect any output to ground, And auto recovery when
abnormal circuit faults remove.
*An output short circuit is defined as any output impedance of less than 0.1 ohms.
*When the effective value of output impedance is less than 0.1 ohm, it is defined as output short circuit
Voltage(V) | OCP Current(A) | Power in(W) | OCP method | ||
latch off | Current limit | Fold back | |||
+54 | 2-2.8 | <4 |
3.2 Over voltage protection
Voltage(V) | OVP range | OVP Method | ||
Latch off | Auto recovery | Voltage limit | ||
+54 | 58V-70V |
Test methods: Short optical coupler 1Pin to GND
4: Leakage current:
Leakage current 0.25 mA max@240VAC
5.0 Safety meet of EN60950-1/ EN62368-1/IEC60950-1/ IEC62368-1
5.1 EMI/EMS standards EMI/EMS STANDARDS
5.1.1 EMI CE (150K-30MHZ) and RE (30M-1GHZ) meet EN55022, FCC Part15B standards
5.1.2 EN61000-4-2 ESD immunity requirements
5.1.2.1 Air discharge +/- 15KV (B)
5.1.2.2 Contact discharge +/- 8KV (B)
5.2 EN61000-4-3 radiated disturbance field strength RS
10V/m (r.m.s) 80-1000Mz 80%AM (1KHz) sine-wave (A)
5.3 EN61000-4-4 Electrical Fast Transient Burst BURST
5.3.1 AC input port AC-input coupling ±2kV (A)
5.3.2 AC input port AC-input coupling ±2kV (B)
5.4 EN61000-4-5 Surge immunity test SCR
5.4.1: Surge IEC61000-4-5 Differential Mode: ±2kV Impedance 2ohm Common Mode: ±2kV, Impedance 2ohm
5.5 Induced radio frequency fields conducted disturbances immunity test
10V 0.15-80 MHz 80%AM (1KHz) (A)
6.0HI-POT AND Insulation Resistance
HI-POT: Primary to secondary 3000Vac/10mA/60S.
IR: primary to secondary ≥100M ohm at 500Vdc
7.0Environment
TEMPERATURE AND HUMIDITY
OPERATING TEMPERATURE -5 DEGREES C TO 40 DEGREES C.
OPERATING HUMIDITY 5% TO 95% RH.(RELATIVE HUMIDITY).
STORAGE TEMPERATURE -40 DEGREES C TO 70 DEGREES C.
STORAGE HUMIDITY 5% TO 95% RH. (RELATIVE HUMIDITY).
Working temperature: -5℃-40℃
Working humidity: 5%-95%
Storage temperature: -40℃-70℃
Storage humidity: 5%-95%
8.0Vibration
SWEEP AND RESONANCE SEARCH
FREQUENCY DURATION AXIS AMPLITUDE
10~55Hz 30 MINUTES X,Y,Z 1G
9.0RoSH requirements:
Meet RoSH 2.0 EU 2015/863
10.0SCH
11.0PCB