V12
︳
Features
CFM21 SERIES
20 WATT SINGLE OUTPUT
AC-DC MODULES
* Universal Input Range 90-264VAC
* Miniature Size, Low Profile 0.8”
* Industry-Standard Pin Out
* Efficiency to 85%
* Option for On-board, Connecter,
Screw Terminal Or Encapsulated type
* Continuous Short Circuit Protection
* Over Voltage Protection
* No load input power < 0.3W
* Leakage Current < 0.1mA
* UL60601-1/IEC60601-1/EN60601-1 Medical safety
approved
* UL60950-1/IEC60950-1/EN60950-1 ITE safety approved
MODEL
INPUT
VOLTAGE
OUTPUT
VOLTAGE
MIN.
LOAD
MAX.
LOAD
Output
Rated
Power
RIPPLE &
NOISE
VOLTAGE
ACCURACY
% EFF.
CFM21S033 90-264VAC
CFM21S050 90-264VAC
CFM21S090 90-264VAC
CFM21S120 90-264VAC
CFM21S150 90-264VAC
CFM21S240 90-264VAC
3.3V
5.0V
9.0V
12V
15V
24V
0
0
0
0
0
0
4.0A
4.0A
2.3A
1.7A
1.4A
0.9A
13.2W
20.0W
20.7W
20.4W
21.0W
21.6W
50mV
50mV
90mV
100mV
100mV
100mV
±1%
±1%
±1%
±1%
±1%
±1%
75 %
80 %
81 %
83 %
84 %
85 %
Specifications are subject to change without notice.
1
V12
Specifications
INPUT SPECIFICATIONS:
Voltage …....………........…........................................... 90~264Vac
Frequency ………………………………………….……………..... 47 to 63Hz
Input Current ……………………………………….……………..... 0.3 to 0.5A
Inrush Current …………….…Cold Start@25℃............. 40A max. @230Vac
Leakage Current …………………………………………………… 0.1mA max.
CFM21 Series De-rating Curve
Derating curve for Natural Convection
120%
-25
60
100%
LOAD(%)
80%
60%
70
OUTPUT SPECIFICATIONS:
Voltage Accuracy: ........................................…………...............
±1.0%
max.
Line Regulation (note 3) ……………….…………...................….
±0.5%
max.
Load Regulation (note 4) ……………………….…….........…......
±1.0%
max.
Holdup Time …………………………….…………..…… 10ms typ. @115Vac
Short Circuit Protection …………….………………………….…… Continuous
Over Voltage Protection(TVS) …… 115%-140% of nominal output voltage
40%
CFM21 Series
20%
-25
70
0%
-30
-10
GENERAL SPECIFICATIONS:
Efficiency …………………………………………………………….. see Table
Switching Frequency ………………………………….…………..100KHz typ.
Isolation …………………………………………… Input to output = 5656VDC
Operating Temperature ........................................ -25 ~ 70℃(with de-rating)
Storage Temperature ……………………………...….......……........ -40~85℃
Cooling ………………………………….………………… Natural Convection
Humidity .................................................... 93% RH max. Non condensing
MTBF ……….…. MIL-STD-217F, GB ..………..……………… 650K hrs min.
Dimensions …………….. 2.38x1.60x0.80Inches (60.5x40.6x20.4mm)
-T: 3.00x1.60x0.77Inches (76.2x40.6x19.5mm)
Weight ……………………………………….……………….…… 50g, 55g(-T)
10
30
50
o
Ambient Temperature( C)
70
SAFETY AND EMISSION:
CE Directive ……………………………….……… 2004/108/EC, 93/42/EEC
Emissions … EN60601-1/EN61204-3/EN55022/CISPR Class B, EN55024
Safety Approvals ……....................... UL60601-1,IEC60601-1,EN60601-1
UL60950-1,IEC60950-1,EN60950-1
NOTE:
1. Voltage accuracy is set of 100% rated load.
2. Add a 0.1uF ceramic capacitor and a 10uF E.L. capacitor to output for
Ripple & Noise measuring @20MHz BW.
3. Line regulation is measured from high line to low line with full load.
4. Load regulation is measured from 10% to 100% full load.
5. T Version Connection : JST B3P-VH / B4P-VH or equivalent|
Mechanical Specification
CFM21SXXX
All Dimensions In Inches[mm]
Tolerance:
Inches:x.xx= ±0.02,x.xxx= ±0.01
Millimeters:x.x= ±0.5,x.xx= ±0.25
CFM21SXXX-T
-Vo
ACN
0.406 [10.32]
1.60 [40.6]
0.111 [2.82]
1.194 [30.32]
0.80 [20.4]max
0.800 [20.32]
ACL
+Vo
0.120 [3.06]
2.126 [54.00]
2.38 [60.5]
0.134 [3.40]
0.150 [3.80]
Typical at 25˚C, nominal line and 75% load, unless otherwise Specified
0.67 [17.0]
0.08 [2.0]max
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