TDK-Lambda 01 -25°C ‘0 70°C‘ deram hneany‘o 50%(1) \oad fro
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KM Series
Features
Small size and lightweight
PC Board Mountable
Wide Range Input
Medical Safety Certifi cations (4kVAC Input - Output)
Class II (No ground needed)
High effi ciency
15-40W Medical AC-DC PCB-Mount Power Supplies
Model KMS15 KMD15 KMT15 KMS40 KMD40 KMT40
Input Voltage Range - 90-264VAC 47-440Hz or 100-375VDC*
Inrush Current Limiting A 10 / 20A, cold start, 25°C ambient (115 / 230VAC)
Input Current (115 / 230VAC) mA 292 / 188mA 860 / 460mA
Recommended External Fuse - 2A slow blow type 3.15A slow blow type
Temperature Coeffi cient - ±0.01%/°C
Ripple and Noise (pk-pk) mV 50mV or 1%, whichever is greater
Overcurrent Protection - > 105%, hiccup mode, automatic recovery
Overvoltage Protection % Yes, Zener diode clamp
Hold-up Time (typical) ms 20ms 18ms
Enclosure Leakage (240VAC 63Hz) mA 0.055 max 0.08 max
(264VAC 63Hz) 0.06 max 0.085 max
Operating Temperature °C -25°C to 70°C, derate linearly to 50%(1) load from 50°C to 70°C. Max case temperature 95°C
Storage Temperature °C -40°C to 100°C
Humidity %RH 20% to 95% RH (non-condensing)
Cooling - Convection, over temperature protected ~100°C case temperature
Withstand Voltage VAC Input to output: 4kVAC (Reinforced) (2 x MOPPS 3rd Edition)
Immunity - EN60601-1-2
Safety Agency Certifi cation - UL/CSA/IEC/EN 60601-1, ANSI/AAMI ES60601-1, IEC/EN60950-1, CE Mark
Conducted EMI - EN55011, EN55022 Class B EN55011, EN55022 Class A
Switching Frequency kHz 132kHz
Weight g 120 280
Size (LxWxH) in 2.52 x 1.79 x 0.92” 3.5 x 2.5 x 1.06”
Mounting & Case - PC board mountable. Plastic resin fi berglass case (UL 94V-0)
MTBF hrs 200,000 to 400,000 hours, model dependent
Warranty yrs 2 years
Specifi cations
(1) KM15 derates linearly to 40% load
Key Market Segments & Applications
*Safety certifi ed for AC input only
TDK-Lambda ‘ 5.0 . . 2:5 as a. «a
781-800-526-2324 • www.us.tdk-lambda.com/lp/ Revision B7: Jul 2015
KM Series
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us.tdk-lambda.com/lp/products/km-series.htm
KM15 Outline Drawings KM40 Outline Drawings
Output Minimum Maximum Output Set Line Load
Voltage Current Current Power Accuracy Regulation Regulation (1) Cross Effi ciency
Model (V) (A) (A) (W) (%) (%) (%) Regulation (%)
Single Output
KMS15-3P3 V1 3.3V 0A 3.00A 9.9W ±2% 0.5% 1% - 74%
KMS40-3P3 V1 3.3V 80mA 8.00A 26.4W ±2% 0.5% 1% - 75%
KMS15-5 V1 5V 0A 3.00A 15W ±2% 0.5% 1% - 78%
KMS40-5 V1 5V 80mA 8.00A 40W ±2% 0.5% 1% - 79%
KMS15-9 V1 9V 0A 1.67A 15W ±2% 0.5% 1% - 79%
KMS40-9 V1 9V 44mA 4.44A 40W ±2% 0.5% 1% - 82%
KMS15-12 V1 12V 0A 1.25A 15W ±2% 0.5% 1% - 81%
KMS40-12 V1 12V 33mA 3.33A 40W ±2% 0.5% 1% - 83%
KMS15-15 V1 15V 0A 1.00A 15W ±2% 0.5% 1% - 81%
KMS40-15 V1 15V 26.7mA 2.67A 40W ±2% 0.5% 1% - 83%
KMS15-24 V1 24V 0A 0.62A 15W ±2% 0.5% 1% - 83%
KMS40-24 V1 24V 16.7mA 1.67A 40W ±2% 0.5% 1% - 83%
Dual Output
KMD15-55 V1 +5V 150mA 1.5A ±2% 0.5% 1% 5%
V2 -5V 150mA 1.5A ±2% 0.5% 1% 5%
KMD40-55 V1 +5V 400mA 4A ±2% 0.5% 1% 5%
V2 -5V 400mA 4A ±2% 0.5% 1% 5%
KMD40-512 V1 5V(2) 1250mA 5A ±3% 0.5% 2% 1%
V2 12V(2) 312mA 1.25A ±5% 5.0% 6% 7%
KMD40-524 V1 5V(2) 1250mA 5A ±3% 0.5% 2% 1%
V2 24V(2) 156mA 0.625A ±5% 5.0% 6% 7%
KMD15-1212 V1 +12V 62.5mA 0.625A ±2% 0.5% 1% 3%
V2 -12V 62.5mA 0.625A ±2% 0.5% 1% 3%
KMD40-1212 V1 +12V 166mA 1.66A ±2% 0.5% 1% 5%
V2 -12V 166mA 1.66A ±2% 0.5% 1% 5%
KMD15-1515 V1 +15V 50mA 0.5A ±2% 0.5% 1% 3%
V2 -15V 50mA 0.5A ±2% 0.5% 1% 3%
KMD40-1515 V1 +15V 133mA 1.33A ±2% 0.5% 1% 5%
V2 -15V 133mA 1.33A ±2% 0.5% 1% 5%
Triple Output
KMT15-51212 V1 5V(3) 500mA 2A ±2% 0.5% 1% 1%
V2 +12V 50mA 0.2A 15W ±3% 2.0% 5% 5% 78%
V3 -12V 50mA 0.2A ±3% 2.0% 5% 5%
KMT40-51212 V1 5V(3) 1250mA 5A ±3% 0.5% 3% 3%
V2 +12V 150mA 0.6A 40W ±5% 5.0% 7% 7% 80%
V3 -12V 150mA 0.6A ±5% 5.0% 7% 7%
KMT15-51515 V1 5V(3) 500mA 2A ±2% 0.5% 1% 1%
V2 +15V 37.5mA 0.15A 15W ±3% 2.0% 5% 5% 78%
V3 -15V 37.5mA 0.15A ±3% 2.0% 5% 5%
KMT40-51515 V1 5V(3) 1250mA 5A ±3% 0.5% 3% 3%
V2 +15V 125mA 0.5A 40W ±5% 5.0% 7% 7% 80%
V3 -15V 125mA 0.5A ±5% 5.0% 7% 7%
15W
40W
40W
40W
15W
40W
15W
40W
78%
79%
80%
80%
80%
83%
81%
81%
Output Ratings
(1) Symmetrical loading, from minimum to maximum load
(2) Output V1 is isolated from output V2
(3) Output V1 is isolated from outputs V2 & V3