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MODEL
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NFM-20-3.3
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NFM-20-5
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NFM-20-12
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NFM-20-15
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NFM-20-24
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OUTPUT
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DC VOLTAGE
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3.3V
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5V
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12V
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15V
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24V
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RATED CURRENT
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4.5A
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4.4A
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1.8A
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1.4A
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0.92A
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CURRENT RANGE
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0 ~ 4.5A
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0 ~ 4.4A
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0 ~ 1.8A
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0 ~ 1.4A
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0 ~ 0.92A
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RATED POWER
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14.85W
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22W
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21.6W
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21W
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22.08W
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RIPPLE & NOISE
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80mVp-p
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80mVp-p
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150mVp-p
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150mVp-p
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240mVp-p
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VOLTAGE ADJ.
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3 ~ 3.63V
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4.5 ~ 5.5V
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10.8 ~ 13.2V
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13.5 ~ 16.5V
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21.6 ~ 26.4V
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VOLTAGE TOLERANCE
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2.0%
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2.0%
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1.0%
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1.0%
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1.0%
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LINE REGULATION
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1.0%
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1.0%
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0.5%
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0.5%
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0.5%
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LOAD REGULATION
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1.0%
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1.0%
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0.5%
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0.5%
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0.5%
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SETUP RISE TIME
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500ms, 20ms/230VAC 500ms, 20ms/115VAC at full load
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HOLD UP TIME
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50ms/230VAC 16ms/115VAC at full load
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INPUT
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VOLTAGE RANGE
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85 ~ 264VAC 120 ~ 370VDC
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FREQUENCY
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47 ~ 440Hz
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EFFICIENCY
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71%
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75%
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81%
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83%
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84%
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C CURRENT
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0.6A/115VAC 0.4A/230VAC
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INRUSH CURRENT
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COLD START 30A/115VAC 65A/230VAC
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PROTECTION
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OVER LOAD
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Above 105% rated output power
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Protection type : Hiccup mode, recovers automatically after fault condition is removed
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OVER VOLTAGE
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3.8 ~ 4.95V
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5.75 ~ 6.75V
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13.8 ~ 16.2V
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17.25 ~ 20.25V
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27.6 ~ 32.4V
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Protection type : Shut off o/p voltage, clamping by zener diode
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OVER TEMP
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Tj 145 typically (U1) detect on main control IC
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Protection type : Shut down o/p voltage, recovers automatically after temperature goes down
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ENVIRONMENT
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WORKING TEMP.
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-20 ~ +60 oC(Refer to output load derating curve)
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WORKING HUMIDITY
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20 ~ 90% RH non-condensing
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STORAGE TEMP., HUMIDITY
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-40 ~ +85oC , 10 ~ 95% RH
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TEMP. COEFFICIENT
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0.03%/ oC(0 ~ 50oC
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VIBRATION
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10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes
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SAFETY &EMC
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SAFETY STANDARDS
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UL60601-1,TUV EN60601-1, IEC60601-1 approved
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WITHSTAND VOLTAGE
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I/P-O/P:4KVAC I/P-FG:1.5KVAC O/P-FG:1.5KVAC
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ISOLATION RESISTANCE
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I/P-O/P, I/P-FG, O/P-FG:100M Ohms/500VDC
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EMI CONDUCTION & RADIATION
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Compliance to EN55011(CISPR11),EN55022 (CISPR22) Class B
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HARMONIC CURRENT
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Compliance to EN61000-3-2,-3
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EMS
IMMUNITY
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Compliance to EN61000-4-2,3,4,5,6,8,11; ENV50204, EN55024, EN60601-1-2, EN61204-3, medical level, criteria A
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MTBF
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487.8Khrs min. MIL-HDBK-217F (25 )
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DIMENSION
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89*51*19.3mm (L*W*H)
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PACKING
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0.09Kg; 105pcs/10.5Kg/0.97CUFT
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NOTE
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1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25oCof ambient temperature.
2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor.
3. Tolerance : includes set up tolerance, line regulation and load regulation.
4. The power supply is considered a component which will be installed into a final equipment. The final equipment must be re-confirmed that it still meets EMC directives.
5. The over temperature protection (OTP) is the built-in function of the control IC (U1). The activating level described above is based on the specification provided by the IC manufacturer.
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