LS Series
Single output General Purpose
Power Supplies
Key Market Segments & Applications
Test & Measurement
Automated Service
Factory Automation
General Purpose
LED Lighting & Display
• High MTBF up to 900 000 hours
• Superior operating temperatue performance up to 70°C
• Very High efficiency up to 87%
• Very Low Cost
• Compact
• Withstands 300VAC surges (5s)
• Three Year Warranty
LS Features and Benefits
Features Benefits
• High MTBF • Superior Reliability
• High efficiency • Easier system cooling
• -25 to +70°C operating temperature • Suitable for indoor & outdoor enclosures
• Low derating above 50 °C (up to 70% load available at 70° C) • Improved system power optimasition
• Curve B EMC • Assists system compliance
LS Series 1
Specifications
LS25 LS35 LS50 LS75 LS100 LS150
ITEMS
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)
A30 40404060 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 Coefficient - <0.02%/°C (0 - 50°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 TBA <1mA <1mA
Remote Sense - No
LED Indicator - Green LED = On
Operating Temperature - -25 to +70°C. Derate linearly to 50% load from +50 to +70°C (2)
Storage Temperature °C -40 to +85
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 Approvals - UL60950-1, EN60950-1, IEC60950-1, 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) mm 79 x 51 x 28 99 x 82 x 36 99 x 97 x 36 130 x 97 x 38 160 x 97 x 38 198 x 99 x 38
Warranty yrs 3 Years
2LS Series
Model Selector
Adjust Range Max Current Load Reg Line Reg Ripple Noise Efficiency
Model Voltage (V) (A) (mV) (mV) (mV) (typ) %
LS25-3.3 3.3V 3.0 - 3.3 6 66 16.5 80 72
LS25-5 5V 4.75 - 5.5 5 50 25 80 77
LS25-12 12V 10.8 - 13.2 2.1 60 60 120 79
LS25-15 15V 13.5 - 16.5 1.7 75 75 120 82
LS25-24 24V 22 - 27.2 1.1 120 120 120 84
LS25-36 36V 32 - 40 0.75 150 150 150 85
LS25-48 48V 42 - 54 0.57 180 180 200 85
LS35-3 3.3V 3.0 - 3.3 7 66 16.5 80 73
LS35-5 5V 4.75 - 5.5 7 50 25 80 77
LS35-12 12V 10.8 - 13.2 3 60 60 120 81
LS35-15 15V 13.5 - 16.5 2.4 75 75 120 83
LS35-24 24V 22 - 27.2 1.5 120 120 120 84
LS35-36 36V 32 - 40 1 150 150 150 84
LS35-48 48V 42 - 54 0.8 180 180 200 84
LS50-3.3 3.3V 3.0 - 3.6 10 40 20 80 75
LS50-5 5V 4.75 - 5.5 10 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 3.3V 3.0 - 3.6 15 40 20 80 75
LS75-5 5V 4.75 - 5.5 12 40 20 80 79
LS75-12 12V 10.8 - 13.2 6 96 48 120 84
LS75-15 15V 13.5 - 16.5 5 120 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 3.3V 3.0 - 3.3 20 66 16.5 80 74
LS100-5 5V 4.75 - 5.5 16 50 25 80 77
LS100-12 12V 10.8 - 13.2 8.5 60 60 120 81
LS100-15 15V 13.5 - 16.5 7 75 75 120 82
LS100-24 24V 22 - 27.2 4.5 120 120 120 84
LS100-36 36V 32 - 40 3 150 150 150 84
LS100-48 48V 42 - 54 2.3 180 180 200 84
LS150-3 3.3V 3.0 - 3.3 30 66 16.5 80 74
LS150-5 5V 4.75 - 5.5 26 50 25 80 78
LS150-12 12V 10.8 - 13.2 12.5 60 60 120 93
LS150-15 15V 13.5 - 16.5 10 75 75 120 84
LS150-24 24V 22 - 27.2 6.5 120 120 120 86
LS150-36 36V 32 - 40 4.3 150 150 150 86
LS150-48 48V 42 - 54 3.3 180 180 200 87
Notes: See page 1
(1) Switch selectable for 115 or 230VAC
(2) LS50, LS75-3 & -5: Derate linearly to 70% load from +50 to +70°C.
LS75-12,-15,-24,-36,-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 3
Outline Drawing LS25
Outline Drawing LS35
LS Series 4
Outline Drawing LS50
Outline Drawing LS75
5
LS Series
For full data and drawings please visit www.emea.tdk-lambda.com/www/ls
Outline Drawing LS100
Outline Drawing LS150
LS Series 6
LS Feb09 v1
LOCAL DISTRIBUTION
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