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MWS SERIES - 20 WATT
DESCRIPTION MWS DC/DC converters provide up to 20 watts of output power in an industry-standard package and footprint. The MWS is available in either 24V or 48V input versions. With a maximum case temperature of 100C, the MWS is well suited for the most demanding telecom, networking, and industrial applications. The MWS features 1500 VDC isolation, short circuit, and overtemperature protection. FEATURES * * * * 20W Standard Package * Enable and Trim Pins 100C Case Operation * Wide Range Input Voltage 3.3V Output Available * 1500V Isolation Integrated Heatsink * Short Circuit Protection
Efficiency vs. Load (24V Input)
TECHNICAL SPECIFICATIONS
Voltage Range 24 VDC Nominal 48 VDC Nominal Input Undervoltage Lockout UVLO Hysteresis Reflected Ripple Input Reverse Voltage Protection Input 18 - 36 VDC 33 - 75 VDC <33V or <18V 1V Nominal 50 mA Shunt Diode Output
85
80
EFFICIENCY %
75 MWS020YGY 70 EFF. (18v) EFF. (24v) 65 EFF. (36v)
60
Setpoint Accuracy Line regulation Vin Min. - Vin Max., Iout Rated Load Regulation Iout Min. - Iout Max., Vin Nom. Minimum Output Current Dynamic Regulation, Loadstep Pk Deviation Settling Time Voltage Trim Range Short Circuit / Overcurrent Protection Current Limit Threshold Range, % of Iout Rated General Turn-On Time, Max. Remote Shutdown Switching Frequency Isolation Input - Output Temperature Coefficient Case Temperature Operating Range Storage Range Humidity Max., Non-Condensing Vibration, 3 Axes, 5 Min Each MTBF (Bellcore TR-NWT-000332) Safety Weight (approx.) REV. 09/01
1.0% 0.2% Vout 0.5% Vout 5% 25% Iout 4% Vout 500 s 10% Shutdown / Hiccup 110 - 140%
90 85
EFFICIENCY %
10
20
30
40
50
60
70
80
90
100
LOAD %
Efficiency vs. Load (48V Input)
80 75 70 65 60 55 50 10 20 30 40 50 60 70 80 90 100
LOAD %
MWS020ZGY EFF. (33v) EFF. (48v) EFF. (75v)
175 ms Max. Positive Logic 450 kHz 1500 VDC 0.015%/C -40 To +100C -40 To +105C 95% 5 g, 10 - 55 Hz 1.9 x 106 hrs UL, cUL, TUV 1.2 oz
Notes
MTBF predictions may vary slightly from model to model. Specifications typically at 25C, normal line, and full load, unless otherwise stated. Soldering Conditions: I/O pins, 260C, ten seconds; fully compatible with commercial wave-soldering equipment.
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MWS SERIES - 20 WATT
MODELS - (See the last page of Section for options.)
INPUT VOLTAGE (VOLTS) INPUT VOLTAGE RANGE (VOLTS) MAXIMUM INPUT CURRENT (AMPS)* OUTPUT VOLTAGE (VOLTS) RATED OUTPUT CURRENT (AMPS) RIPPLE & NOISE pk-pk (mV) TYPICAL EFFICIENCY**
MODEL
MWS020ZGY MWS020ZHY MWS020YJY
NOTES:
48 48 24
33 - 75 33 - 75 18 - 36
0.77 0.73 1.34
5 12 15
4 1.66 1.33
75 120 150
81% 85% 85%
* Maximum input current at minimum input voltage, maximum rated output power. ** At nominal Vin, rated output.
MECHANICAL DRAWING
2.00" (50.8mm)
5
1.100"(27.9mm)
6
0.600"(15.2mm) 0.400"(10.2mm) 0.200"(5.1mm)
0.700"(17.8mm) 1.60" (40.6mm)
1 2
BOTTOM VIEW
7
0.300"(7.6mm)
3 4 8
-0.100"(-2.5mm)
0
-.30"(-7.6mm)
0
1.800" (45.7mm)
-0.10" (-2.5mm)
DIA 0.040" (1.0mm) 0.18" MIN. (4.6mm)
0.46" (11.7mm)
Thermal Impedance
Natural Convection 100 LFM 200 LFM 300 LFM 400 LFM 11.5 C/W 10.2 C/W 8.5 C/W 6.5 C/W 5.4 C/W
Pin 1 2 3 4 5 6 7 8
Function + Vin - Vin No Pin Shutdown No Pin + Vout - Vout Trim
Tolerances Inches: .XX 0.020 .XXX 0.010 Pin: 0.002 Case: + 0.04, - 0.00 (Millimeters) .X 0.5 .XX 0.25
Note: Thermal impedance data is dependent on many environmental factors. The exact thermal performance should be validated for specific application.
0.05
+ 1.0, - 0.00
(Dimensions as listed unless otherwise specified.)
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OPTIONS
When ordering equipment options, use the following suffix information. Select the option(s) that you prefer and add them to the model number. Example ordering options are located below the options table.
Negative Logic
OPTION SUFFIX
N T
Lucent-Compatible Trim Terminal Strip Trim Enable Trim and Enable Current Share Headerless
PIN LENGTH AND HEATSINK OPTIONS
TS 1 2 3 4 Y 8 9 1H 1V 2H 2V 3H 3V
HAS, HBD, HBS, HES, HLS, LES, QBS, QES, QLS, TES, TQD HAS, HBD, HBS, HES, HLS, QBS, QES, QLS XWS, XWD, XWT IAS, LES IAD, IAS, LES, SMS IAS, LES SMS Encapsulated EWS, IWS, OWS All Units (Except SMS) All Units (Except SMS) All Units (Except DIP, HLS, HLD, QLS, SIP, SM, TLD, and TKD Packages) All Units (Except DIP, HLS, HLD, QLS, SIP, SM, TLD, and TKD Packages) All Units (Except DIP, HLS, HLD, QLS, SIP, SM, TLD, and TKD Packages) All Units (Except DIP, HLS, HLD, QLS, SIP, SM, TLD, and TKD Packages) All Units (Except DIP, HLS, HLD, QLS, SIP, SM, TLD, and TKD Packages) All Units (Except DIP, HLS, HLD, QLS, SIP, SM, TLD, and TKD Packages)
APPLICABLE SERIES
TTL Low Turns Module ON TTL High Turns Module OFF
REMARKS
0.110 (2.8mm) Pin Length 0.150 (3.8mm) Pin Length 0.24 (6.1mm) Horizontal Heatsink 0.24 (6.1mm) Vertical Heatsink 0.45 (11.4mm) Horizontal Heatsink 0.45 (11.4mm) Vertical Heatsink 0.95 (24.1mm) Horizontal Heatsink 0.95 (24.1mm) Vertical Heatsink
Standard Pin Length is 0.180 (4.6mm) Includes Thermal Pad Includes Thermal Pad Includes Thermal Pad Includes Thermal Pad Includes Thermal Pad Includes Thermal Pad
Example Options: HBS050ZG-ANT3V = HBS050ZG-A with negative logic, Lucent-compatible trim, and 0.95 vertical heatsink. LES015YJ-3N = LES015YJ with optional trim and enable, negative logic. QBS066ZG-AT8 = QBS066ZG-A with Lucent compatible trim and 0.110 pin length.
NUCLEAR AND MEDICAL APPLICATIONS Power-One products are not authorized for use as critical components in life support systems, equipment used in hazardous environments, or nuclear control systems without the express written consent of the President of Power-One, Inc. TECHNICAL REVISIONS The appearance of products, including safety agency certifications pictured on labels, may change depending on the date manufactured. Specifications are subject to change without notice.
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