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20W Output Switching Power Supply
Features :
Universal AC input / Full range Low leakage current <200uA
PM-20
series
Protections: Short circuit / Overload / Over voltage Ultra-miniature size, light weight Cooling by free air convection UL60601-1/IEC60601-1/EN60601-1 medical safety approved No load power consumption<0.75W 100% full load burn-in test Fixed switching frequency at 90KHz High reliability 3 years warranty
EN60601-1 IEC60601-1
SPECIFICATION
MODEL DC VOLTAGE RATED CURRENT CURRENT RANGE RATED POWER OUTPUT VOLTAGE TOLERANCE Note.3 LINE REGULATION LOAD REGULATION SETUP, RISE TIME HOLD UP TIME (Typ.) VOLTAGE RANGE FREQUENCY RANGE INPUT EFFICIENCY (Typ.) AC CURRENT (Typ.) INRUSH CURRENT (Typ.) LEAKAGE CURRENT OVERLOAD PROTECTION OVER VOLTAGE WORKING TEMP. WORKING HUMIDITY ENVIRONMENT STORAGE TEMP., HUMIDITY TEMP. COEFFICIENT VIBRATION SAFETY STANDARDS WITHSTAND VOLTAGE SAFETY & ISOLATION RESISTANCE EMC EMI CONDUCTION & RADIATION (Note 4) HARMONIC CURRENT EMS IMMUNITY MTBF OTHERS
NOTE
PM-20-3.3 3.3V 4.5A 0 ~ 4.5A 14.85W 3.0% 1.0% 1.5% 500ms, 20ms/230VAC 50ms/230VAC 85 ~ 264VAC 47 ~ 440Hz 71% 0.6A/115VAC
PM-20-5 5V 4.4A 0 ~ 4.4A 22W 80mVp-p 2.0% 1.0% 1.5% 16ms/115VAC at full load 120 ~ 370VDC 75% 0.4A/230VAC 65A/230VAC
PM-20-12 12V 1.8A 0 ~ 1.8A 21.6W 150mVp-p 2.0% 0.5% 1.0%
PM-20-15 15V 1.4A 0 ~ 1.4A 21W 150mVp-p 2.0% 0.5% 1.0%
PM-20-24 24V 0.92A 0 ~ 0.92A 22.08W 240mVp-p 2.0% 0.5% 0.5%
RIPPLE & NOISE (max.) Note.2 80mVp-p
500ms, 20ms/115VAC at full load
81%
83%
84%
COLD START 30A/115VAC <200uA / 240VAC
Above 105% rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed 13.8 ~ 16.2V 3.8 ~ 4.46V 5.75 ~ 6.75V Protection type : Shut off o/p voltage, clamping by zener diode -20 ~ +60 (Refer to output load derating curve) 20 ~ 90% RH non-condensing -40 ~ +85 , 10 ~ 95% RH 0.03%/ (0 ~ 50 ) 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes UL60601-1, TUV EN60601-1, IEC60601-1 approved I/P-O/P:4KVAC I/P-FG:1.5KVAC O/P-FG:1.5KVAC I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25 / 70% RH Compliance to EN55011(CISPR11),EN55022 (CISPR22) Class B Compliance to EN61000-3-2,-3 Compliance to EN61000-4-2,3,4,5,6,8,11; ENV50204, EN55024, EN60601-1-2, EN61204-3, medical level, criteria A 487.8Khrs min. MIL-HDBK-217F (25 ) 94*56*22.7mm (L*W*H) 0.18Kg; 90pcs/17.2Kg/0.97CUFT 17.25 ~ 20.25V 27.6 ~ 32.4V
DIMENSION PACKING
1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25 of 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.
File Name:PM-20-SPEC 2008-08-22
20W Output Switching Power Supply
Mechanical Specification
0.224"(5.7mm)
2.2"(56mm) 0.312" (7.92mm) 0.696" 0.408" (17.68mm) (10.375mm)
0.89"(22.7mm)
PM-20
Case No. 951A
series
Unit:inch(mm)
AC/L AC/N
3.252"(82.6mm)
3.7"(94mm)
BOTTOM VIEW
+V
-V
0.138" (3.5mm)
Block Diagram
0.041"(1.05mm)
fosc : 90KHz
I/P
EMI FILTER
RECTIFIERS & FILTER
POWER SWITCHING PWM CONTROL
RECTIFIERS & FILTER DETECTION CIRCUIT
+V -V
FG
Derating Curve
Output Derating VS Input Voltage
Ta=25
100
100 90
80
80 70
60
LOAD (%)
LOAD (%)
0 10 20 30 40 50 60 70 (HORIZONTAL)
40
60 50 40
20
-20
85
95
100
115
120
140
160
180
200
220
240
264
AMBIENT TEMPERATURE ( )
INPUT VOLTAGE (VAC) 60Hz
File Name:PM-20-SPEC 2008-08-22

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