LRS-100 Series Single Output Switching Power Supply
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Specifications
| Model | DC Voltage | Rated Current | Current Range | Rated Power | Ripple & Noise (max.) | Output Setup, Rise Time | Hold Up Time (Typ.) | Voltage Range | Frequency Range | Efficiency (Typ.) | AC Current (Typ.) | Inrush Current (Typ.) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LRS-100-3.3 | 3.3V | 20A | 0 ~ 20A | 66W | 100mVp-p | 500ms, 30ms/230VAC 500ms,30ms/115VAC at full load | 55ms/230VAC 10ms/115VAC at full load | 85 ~ 264VAC 120 ~ 373VDC (Withstand 300VAC surge for 5sec. Without damage) |
47 ~ 63Hz | 84.5% | 1.9A/115VAC 1.2A/230VAC | 50A/230VAC COLD START |
Product Usage Instructions
1. Installation
Ensure the input voltage matches the specified voltage range.
Connect the output wires to your device following proper
polarity.
2. Powering On
After installation, switch on the power supply by connecting it
to a power source and turning on the power switch.
3. Adjusting Output
To adjust the output voltage or current, use the provided
controls on the power supply unit according to your device’s
requirements.
4. Safety Precautions
Always follow electrical safety guidelines when working with the
power supply unit to prevent electric shock or damage to the
unit.
Frequently Asked Questions (FAQ)
Q: What should I do if the power supply unit gets
overheated?
A: If the unit overheats, immediately turn it off and disconnect
it from the power source. Allow it to cool down before attempting
to use it again.
Q: Can I use the power supply with devices that have different
voltage requirements?
A: It is recommended to match the voltage and current
specifications of the power supply with those required by your
device to avoid damage.
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100W Single Output Switching Power Supply
LRS-100 series
User’s Manual
IS 13252
THOMAS SAMUEL
THOMAS SAMUEL
(NOTE 9)
AS/NZS62368-1 GB 4943.1
UL62368-1
Bauar t gepruft Sicherheit
egelma ge od o s be wac g
www. tuv.com ID 2000000000
TP TC004 IEC62368-1
(for LRS-100-12/24 only)
Downloaded from Arrow.com.
File Name:LRS-100-SPEC 2025-04-07
100W Single Output Switching Power Supply
LRS-100 series
SPECIFICATION
MODEL
LRS-100-3.3 LRS-100-5 LRS-100-12 LRS-100-15 LRS-100-24 LRS-100-36 LRS-100-48
DC VOLTAGE
3.3V
5V
12V
15V
24V
36V
48V
RATED CURRENT
20A
18A
8.5A
7A
4.5A
2.8A
2.3A
CURRENT RANGE
0 ~ 20A
0 ~ 18A
0 ~ 8.5A
0 ~ 7A
0 ~ 4.5A
0 ~ 2.8A
0 ~ 2.3A
RATED POWER
66W
90W
102W
105W
108W
100.8W
110.4W
RIPPLE & NOISE (max.) Note.2 100mVp-p
100mVp-p
120mVp-p
120mVp-p 150mVp-p
200mVp-p
200mVp-p
OUTPUT
VOLTAGE ADJ. RANGE 2.97 ~ 3.6V VOLTAGE TOLERANCE Note.3 ±3.0% LINE REGULATION Note.4 ±0.5% LOAD REGULATION Note.5 ±2.0%
4.5 ~ 5.5V ±2.0% ±0.5% ±1.0%
10.2 ~ 13.8V ±1.0% ±0.5% ±0.5%
13.5 ~ 18V ±1.0% ±0.5% ±0.5%
21.6 ~ 28.8V ±1.0% ±0.5% ±0.5%
32.4 ~ 39.6V ±1.0% ±0.5% ±0.5%
43.2 ~ 52.8V ±1.0% ±0.5% ±0.5%
SETUP, RISE TIME
500ms, 30ms/230VAC 500ms,30ms/115VAC at full load
HOLD UP TIME (Typ.) 55ms/230VAC 10ms/115VAC at full load
VOLTAGE RANGE
85 ~ 264VAC 120 ~ 373VDC (Withstand 300VAC surge for 5sec. Without damage)
FREQUENCY RANGE 47 ~ 63Hz
INPUT
EFFICIENCY (Typ.) AC CURRENT (Typ.)
84.5%
86%
88%
1.9A/115VAC 1.2A/230VAC
88.5%
90%
90.5%
91%
INRUSH CURRENT (Typ.) COLD START 50A/230VAC
LEAKAGE CURRENT
<0.75mA / 240VAC
OVER LOAD
PROTECTION OVER VOLTAGE
110 ~ 150% rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed 3.8 ~ 4.45V 5.75 ~ 6.75V 13.8 ~ 16.2V 18.75 ~ 21.75V 28.8 ~ 33.6V 41.4 ~ 48.6V Protection type : Shut down o/p voltage, re-power on to recover
WORKING TEMP.
-30 ~ +70 (Refer to “Derating Curve”)
WORKING HUMIDITY
20 ~ 90% RH non-condensing
ENVIRONMENT STORAGE TEMP., HUMIDITY -40 ~ +85, 10 ~ 95% RH non-condensing
TEMP. COEFFICIENT
±0.03%/ (0 ~ 50)
55.2 ~ 64.8V
VIBRATION
10 ~ 500Hz, 5G 10min./1cycle, 60min. each along X, Y, Z axes
OVER VOLTAGE CATEGORY
; Compliance to BS EN/EN61558, BS EN/EN50178, BS EN/EN60664-1, BS EN/EN62477-1; altitude up to 2000 meters
SAFETY STANDARDS
UL 62368-1, TUV BS EN/EN62368-1, BS EN/EN60335-1, BS EN/EN61558-1/-2-16,GB 4943.1, BSMI CNS15598-1, EAC TP TC 004,S/NZS62368.1(by CB),KC K60950-1(for LRS-100-12/24 only), BIS IS13252(Part1): 2010/IEC 60950-1: 2005(NOTE 9) approved
SAFETY & WITHSTAND VOLTAGE
EMC
ISOLATION RESISTANCE
(Note 8)
EMC EMISSION
I/P-O/P:4KVAC I/P-FG:2KVAC O/P-FG:1.25KVAC I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25/ 70% RH
Compliance to BS EN/EN55032 (CISPR32) Class B, BS EN/EN55014, BS EN/EN61000-3-2,-3, GB17625.1,GB/T 9254.1, BSMI CNS15936, EAC TP TC 020,KC KN32,KN35(for LRS-100-12/24 only)
EMC IMMUNITY
Compliance to BS EN/EN61000-4-2,3,4,5,6,8,11, BS EN/EN61000-6-2 (BS EN/EN50082-2),BS EN/EN55035, heavy industry level, EAC TP TC 020,KC KN32,KN35(for LRS-100-12/24 only)
MTBF
3348.9K hrs min. Telcordia SR-332 (Bellcore) ; 677.4Khrs min. MIL-HDBK-217F (25)
OTHERS DIMENSION
129*97*30mm (L*W*H)
PACKING
0.33Kg ; 40pcs/14.2Kg/0.87CUFT
NOTE
(as available on https://www.meanwell.com//Upload/PDF/EMI_statement_en.pdf)
9. Some model may not have the BIS logo, please contact your MEAN WELL sales for more information. , https://www.meanwell.com/serviceDisclaimer.aspx
File Name:LRS-100-SPEC 2025-04-07
Downloaded from Arrow.com.
100W Single Output Switching Power Supply
LRS-100 series
Block Diagram
I/P
EMI FILTER
FG
Derating Curve
RECTIFIERS &
FILTER
O.L.P.
POWER SWITCHING
CONTROL
RECTIFIERS &
FILTER
DETECTION CIRCUIT
O.V.P.
Static Characteristics
fosc : 65KHz
+V -V
100
Others
80
60
3.3V,5V
40
20
-30
0
10 20 30 40 45 50 60
70 (HORIZONTAL)
AMBIENT TEMPERATURE ()
100 90 80 70 60 50 40
85 95 100 115 120 140 160 180 200 220 240 264
INPUT VOLTAGE (VAC) 60Hz
LOAD (%) LOAD (%)
Downloaded from Arrow.com.
File Name:LRS-100-SPEC 2025-04-07
100W Single Output Switching Power Supply
LRS-100 series
26 15 6 18 3.5 14.5
30
3-M3 L=5 3.5
33
Mechanical Specification
4.5
122.5
9.5
3.5 1 2 3 4 5 6 7
8
LED SVR1
78 129
6.5
120
2-M3 L=3.0
34
32
77
Installation Manual
Please refer to : http://www.meanwell.com/manual.html
3.5
6.5
85
97
Case No.238A Unit:mm Tolerance:±1
Terminal Pin No. Assignment
Pin No. Assignment Pin No.
1
AC/L
4,5
2
AC/N
6,7
3
FG
Assignment DC OUTPUT -V DC OUTPUT +V
Downloaded from Arrow.com.
File Name:LRS-100-SPEC 2025-04-07
Documents / Resources
 |
MEAN WELL LRS-100 Series Single Output Switching Power Supply [pdf] User Guide LRS-100-3.3, LRS-100-5, LRS-100-12, LRS-100-15, LRS-100-24, LRS-100-36, LRS-100-48, LRS-100 Series Single Output Switching Power Supply, LRS-100 Series, Single Output Switching Power Supply, Output Switching Power Supply, Switching Power Supply, Power Supply |