Notes:
(1) Switch selectable for 115 or 230VAC
(2) LS25-3 Derate linearly to 60% load from +40 to +70°C.
LS50, LS75-3 & -5 Derate linearly to 70% load from +50 to +70°C.
LS25-5 to 48, LS75-12 to 48 Derate linearly to 60% load from +50 to +70°C.
LS100-3 & -5 Derate linearly to 60% load from +45 to +70°C. Derate linearly to 80% load from 115V to 88VAC input.
LS100-12, -15, -24, -36, -48 Derate linearly to 60% load from +50 to +70°C. Derate linearly to 80% load from 115V to 88VAC input.
LS150-3 & -5, Derate linearly to 50% load from +40 to +70°C.
LS150-12, -15, -24, -36, -48 Derate linearly to 70% load from +50 to +70°C.
LS Series
Features
Very low cost
25W to 150W
Small size
115VAC or 230VAC input
Withstands 300VAC surges (5s)
Five year warranty
25-150W Single Output General Purpose Power Supplies
Model LS25 LS35 LS50 LS75 LS100 LS150
AC Input Voltage (300VAC for 5s) VAC 88 - 264VAC (See note (2) for LS100) 88-132/176-264VAC(1)
Input Frequency Hz 47 - 63Hz
DC Input Voltage VDC 125 - 373VDC* 248 - 273VDC*
Inrush Current (230VAC, cold start) A 30 40 40 40 60 40
Power Factor - Meets EN61000-3-2, -3
Input Current (115/230VAC) A 0.7 / 0.4 0.8 / 0.55 1.3 / 0.8 1.6 / 1.0 2.2 / 1.2 3.5 / 2
Temperature Coeffi cient - <0.02%/°C
Overcurrent Protection - > 110%
Overvoltage Protection V 3.3V: 3.8-4.45V, 5V: 5.75-6.75V, 12V: 13.8-16.2V, 15V: 17.25-20.25V,
24V: 27.6-32.4V, 36V: 41.4-48.6V, 48V: 55.2-64.8V
Hold Up Time (115 / 230V input) ms 14 / 80 12 / 80 14 / 60 14 / 60 25 / 150 20 / 28
Leakage Current (230VAC 60Hz) mA <1mA
Remote Sense - No
LED Indicator - Green LED = On
Operating Temperature °C -25 to +70°C. Derate linearly to 50% load from +50 to +70°C (2)
Storage Temperature °C -40 to +85°C
Operating Humidity - 20 - 90% RH (non condensing)
Storage Humidity - 10 - 95% RH (non condensing)
Cooling - Convection
Withstand Voltage - Input to Ground 1.5kVAC, Input to Output 3kVAC, Output to Ground 500VAC for 1 min.
Isolation Resistance - >100M at 25C & 70%RH, Output to Ground 500VDC
Vibration (non operating) - 10 - 55Hz: 19.6m/s2 constant sweep 1 min X, Y, Z for 1 hour
Shock - < 196.1 m/s2 (20G)
Immunity - IEC61000-4-2, -3, -4, -5, -6, -8, -11
Safety Agency Certifi cations - IEC/EN/UL/CSA60950-1, IEC/EN/UL/CSA62368-1 and CE Mark
Conducted & Radiated EMI - EN55011/EN55022-B, FCC-B
MTBF (MIL-HDBK-217F) hrs 906,997 706,464 712,890 648,786 545,375 505,393
Weight (Typ) g 170 270 350 410 600 700
Size (LxWxH) in 3.1 x 2.0 x 1.1 3.9 x 3.2 x 1.4 3.9 x 3.8 x 1.4 5.1 x 3.8 x 1.5 6.3 x 3.8 x 1.5 7.8 x 3.9 x 1.5
Warranty yrs Five Years
Specifi cations
Key Market Segments & Applications
*Safety certifi ed for AC input only
Revision B6: Jan 2020
LS Series
Adjust Range Max Current Load Reg Line Reg Ripple Noise Effi ciency
Model Voltage (V) (A) (mV) (mV) (mV) (typ) %
LS25-3.3 3.3V 2.85 - 3.6 6.0 40 20 80 75
LS25-5 5V 4.5 - 5.5 5.0 40 20 80 79
LS25-12 12V 10.8 - 13.2 2.1 96 48 120 83
LS25-15 15V 13.5 - 16.5 1.7 120 60 120 83
LS25-24 24V 22 - 27.6 1.1 192 96 120 84
LS25-36 36V 32 - 40 0.75 288 144 150 84
LS25-48 48V 42 - 54 0.57 384 192 200 85
LS35-3.3 3.3V 2.85 - 3.6 7.0 40 20 80 75
LS35-5 5V 4.5 - 5.5 7.0 40 20 80 78
LS35-12 12V 10.8 - 13.2 3.0 96 48 120 82
LS35-15 15V 13.5 - 16.5 2.4 120 60 120 83
LS35-24 24V 22 - 27.6 1.5 192 96 120 84
LS35-36 36V 32 - 40 1.0 288 144 150 84
LS35-48 48V 42 - 54 0.8 384 192 200 84
LS50-3.3 3.3V 3.0 - 3.6 10.0 40 20 80 75
LS50-5 5V 4.75 - 5.5 10.0 40 20 80 80
LS50-12 12V 10.8 - 13.2 4.2 96 48 120 84
LS50-15 15V 13.5 - 16.5 3.4 120 60 120 85
LS50-24 24V 22 - 27.2 2.2 192 96 120 86
LS50-36 36V 32 - 40 1.4 288 144 150 86
LS50-48 48V 42 - 54 1.1 384 192 200 86
LS75-3.3 3.3V 3.0 - 3.6 15.0 40 20 80 75
LS75-5 5V 4.75 - 5.5 12.0 40 20 80 79
LS75-12 12V 10.8 - 13.2 6.0 96 48 120 84
LS75-15 15V 13.5 - 16.5 5.0 120 60 120 85
LS75-24 24V 22 - 27.2 3.2 192 96 120 86
LS75-36 36V 32 - 40 2.1 288 144 150 86
LS75-48 48V 42 - 54 1.6 384 192 200 87
LS100-3.3 3.3V 3.0 - 3.6 20.0 40 20 80 75
LS100-5 5V 4.75 - 5.5 16.0 40 25 80 79
LS100-12 12V 10.8 - 13.2 8.5 96 48 120 82
LS100-15 15V 13.5 - 16.5 7.0 120 60 120 84
LS100-24 24V 22 - 27.2 4.5 192 96 120 86
LS100-36 36V 32 - 40 3.0 288 144 150 86
LS100-48 48V 42 - 54 2.3 384 192 200 86
LS150-3.3 3.3V 3.0 - 3.6 30.0 40 20 80 75
LS150-5 5V 4.75 - 5.5 26.0 40 20 80 79
LS150-12 12V 10.8 - 13.2 12.5 96 48 120 83
LS150-15 15V 13.5 - 16.5 10.0 120 60 120 85
LS150-24 24V 22 - 27.2 6.5 192 96 120 86
LS150-36 36V 32 - 40 4.3 288 144 150 87
LS150-48 48V 42 - 54 3.3 384 192 200 87
Output Ratings
For Additional Information, please visit
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