WPN20R12S03C [MURATA]
Analog Circuit,;
muRata 
Corporate: www.cdtechno.com
Product: www.cd4power.com
WPN20RC
ISO9001
CERTIFIED
20 Watt Regulated DC/DC Converter
ꢀOperatingꢀTemperatureꢀRange:ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ ꢀRemoteꢀOn/OffꢀFunction
ꢀ -40°Cꢀtoꢀ+100°C
ꢀOutputꢀTrimꢀFunction
ꢀZeroꢀLoadꢀOperation
ꢀIndustryꢀStandardꢀPinout
ꢀInputꢀandꢀOutputꢀFiltering
ꢀLowꢀProfileꢀShell
ꢀENꢀ60950,ꢀUL1950,ꢀC-UL,ꢀꢀ ꢀ
ꢀ VDEꢀAgencyꢀApprovals
ꢀ SingleꢀandꢀDualꢀOutputs
ꢀHighꢀEfficiency
ꢀRoHSꢀCompliant
ꢀ
TheꢀWPN20RCꢀseriesꢀisꢀaꢀfamilyꢀ
acrossꢀallꢀlineꢀandꢀloadꢀconditionsꢀinꢀaꢀ
spaceꢀsavingꢀpackage.ꢀꢀOtherꢀfeaturesꢀ
include:ꢀfullꢀregulationꢀdownꢀtoꢀzeroꢀ
load,ꢀunderꢀvoltageꢀlock-out,ꢀinternalꢀ
temperatureꢀshutdown,ꢀsoftꢀstart,ꢀremoteꢀ
on/offꢀandꢀoverꢀcurrentꢀprotection.
isꢀassembledꢀusingꢀaꢀfullyꢀautomatedꢀ
processꢀincorporatingꢀ100%ꢀsurfaceꢀ
mountedꢀcomponentsꢀforꢀincreasedꢀ
reliability.ꢀ
ofꢀhighꢀperformanceꢀDC/DCꢀconvertersꢀ
availableꢀinꢀthreeꢀinputꢀvoltageꢀrangesꢀ
ofꢀ9-18V,ꢀ18-36Vꢀandꢀ33-75V.ꢀꢀTheꢀunitꢀ
isꢀhousedꢀinꢀaꢀspaceꢀsavingꢀaluminumꢀ
shellꢀandꢀcombinesꢀlowꢀcostꢀwithꢀhighꢀ
performanceꢀacrossꢀallꢀlineꢀandꢀloadꢀ
conditions.ꢀTheꢀ300KHzꢀswitchingꢀ
frequencyꢀandꢀforwardꢀconverterꢀ
ꢀ
Applicationsꢀinclude:ꢀTelecom-
munications,ꢀBatteryꢀPoweredꢀ
Sytems,ꢀProcessꢀControlꢀEquipment,ꢀ
ꢀ
Anꢀoutputꢀtrimꢀfeatureꢀisꢀprovided,ꢀ
allowingꢀtheꢀuserꢀtoꢀcompensateꢀforꢀlongꢀ TransportationꢀEquipmentꢀandꢀ
lineꢀlengths.ꢀꢀTheꢀWPN20RCꢀSeriesꢀ
DistributedꢀPowerꢀSystems.
ꢀ
topologyꢀprovideꢀexcellentꢀperformanceꢀ
PRODUCT SELECTION CHART
Specifications are at TA = +25°C nominal input voltage, rated output current unless otherwise specified.
NOꢁINAL
RATED
OUTPUT
VOLTAGE (VDC)
3.3
OUTPUT CURRENT (A)
INPUT
CURRENT
NOꢁ LOAD
2.00
INPUT
ꢁIN
LOAD
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
NOꢁ
LOAD
6.00
EffICIENCy
ꢁODEL*
VOLTAGE (VDC)
(%)
82
84
86
86
84
86
86
83
84
87
87
85
87
87
83
85
88
86
85
87
87
WPN20R12S03C
WPN20R12S05C
WPN20R12S12C
WPN20R12S15C
WPN20R12D05C
WPN20R12D12C
WPN20R12D15C
WPN20R24S03C
WPN20R24S05C
WPN20R24S12C
WPN20R24S15C
WPN20R24D05C
WPN20R24D12C
WPN20R24D15C
WPN20R48S03C
WPN20R48S05C
WPN20R48S12C
WPN20R48S15C
WPN20R48D05C
WPN20R48D12C
WPN20R48D15C
12
12
12
12
12
12
12
24
24
24
24
24
24
24
48
48
48
48
48
48
48
5.0
4.00
2.00
12.0
1.66
2.00
15.0
1.33
2.00
±5.0
±2.00
±0.83
±0.67
6.00
2.00
±12.0
±15.0
3.3
2.00
2.00
1.00
5.0
4.00
1.00
12.0
1.66
1.00
15.0
1.33
1.00
±5.0
±2.00
±0.83
±0.67
6.00
1.00
±12.0
±15.0
3.3
1.00
1.00
0.50
5.0
4.00
0.50
12.0
1.66
0.50
15.0
1.33
0.50
±5.0
±2.00
±0.83
±0.67
0.50
±12.0
±15.0
0.50
0.50
NOTE: Other input to output voltages may be available. Please consult factory.
ꢀ
Product: www.cd4power.com
WPN20RC RoHS: REV A 05-2006
SPECIfICATIONS, ALL ꢁODELS
Specifications are at TA = +25°C nominal input voltage, rated output current unless otherwise specified.
PARAꢁETER
CONDITIONS
ꢁIN
TyP
ꢁAx
UNITS
INPUT
Voltage Range
9
18
33
12
24
48
18
36
75
50
VDC
VDC
VDC
Reflected Ripple Current
INPUT CONTROL
Temperature Shutdown
Temperature Hysteresis
Quiescent Standby Current
Undervoltage Control
OUTPUT
All Input Ranges
Case
mApk-pk
105
115
10
°C
°C
10
8
Current Into + VIN
See Attached Plots
mA
ISOLATION
Rated Voltage
1500
1500
VDC
VDC
Test Voltage
60Hz, 10 Seconds
Resistance
10
400
30
GW
pF
Capacitance
Leakage Current
Rated Power
mArms
W
20
Voltage Setpoint Accuracy
Temperature Coefficient
Line Regulation
Singles
1.5
%
ꢀ
ꢀ
0.005
%/°C
High Line to Low Line
High Line to Low Line
0.1
0.5
%
%
Duals
Load Regulation
Singles
Mn Load to Nom. Load
Mn Load to Nom. Load
0.5
2.0
%
%
Duals
Ripple & Noise
Single Outputs
BW = 5Hz to 20MHz
BW = 5Hz to 20MHz
See Attached Plots
Continuous
60
50
100
100
mVp-p
mVp-p
Dual Outputs
Output Adjust Range
Short Circuit and Overcurrent Protection
Max Capacitive Load
GENERAL
550
300
mF/A
KHz
Switching Frequency
MTTF per ML-HDBK-217
Circuit Stress Method
Ground Benign
Package Weight
TEMPERATURE
Specification
Operation
TA = +25° Unmodified Database
1,400,000
32
Hr
g
Case
Case
-40
-40
-55
+ 85
+ 85
+125
°C
°C
°C
Storage
REꢁOTE ON/Off CONTROL
ORDERING INfORꢁATION
Logic Compatibility ..............................................Open Collector TTL
EC On ............................................................................Open Circuit
EC Off.......................................................................................< 0.7V
Shutdown Idle Current.................................................................8mA
WPNꢃ0R xxyZZ
C
Device Family
20W Regulated DC/DC Unit
Model Number
xx = Input Range, e.g. 48V
y
= Number of Outputs (S=single; D=dual)
zz = Output Voltage, e.g. ‘05’ for 5V
RoHS Compliant
ꢃ
Product: www.cd4power.com
WPN20RC RoHS: REV A 05-2006
ꢁECHANICAL
PIN SIDE DOWN
SIDE VIEW
0.425 + 0.00
(10.80 + 0.08)
0.150
(3.81)
0.040 + 0.002
(1.02 + 0.05)
c
PIN CONNECTIONS
Pin function
0.015 + 0.003
(0.38 + 0.08)
Number
Singles
Duals
1
2
3
4
5
6
7
8
+VIN
-VIN
+VIN
-VIN
NO PIN
5
6
7
8
NO PIN
Remote On/Off
NO PIN
+VOUT
-VOUT
Remote On/Off
+VOUT
COMMON
-VOUT
1.990 + 0.005
(50.55 + 0.13)
1
2
3
4
TRIM
TRIM
s are in inches (millimeters).
nches (2.54 millimeters)
t: Tolerance: ±0.015
specific model ordered, date code,
nits are encapsulated in a low
thermal resistance molding compound which
has excellent chemical resistance, wide operat-
ing temperature range, and good electrical
properties under high humidity environments.
The encapsulant and outer shell of the unit
have UL94V-0 ratings. Lead material is brass
with a solder plated surface to allow ease of
solderability.
PIN SIDE UP
SIꢁPLIfIED CIRCUIT DIAGRAꢁ
THERꢁAL DERATING CURVE
HySTERESIS GRAPH
Undervoltage Lockout Threshold Voltages
HySTERESIS GRAPH
Nominal Input
Voltage Range
Shutdown Low
Shutdown High
Voltage (Vꢀ)
Voltage (Vꢃ)
Off
7
15.5
30
ON
8.8
17
12
24
48
33
Specifications typical at TA=25°C, rated output current.
ꢂ
Product: www.cd4power.com
WPN20RC RoHS: REV A 05-2006
PERfORꢁANCE GRAPHS
10
EffICIENCy VS. OUTPUT LOAD
EffICIENCy VS. TEꢁPERATURE
15V
12V
5V
90
85
80
75
70
65
60
55
50
10
5
3V
100% Load
20% Load
0
-5
-10
10
100
20
40
50
60
80
-40
-15
25
65
110
Output Load (% or Rated)
Tcase (C)
50%Load
10%Load
100%Load
EffICIENCy VS. INPUT VOLTAGE
OUTPUT RIPPLE VS. INPUT VOLTAGE
0.6
0.4
0.2
0
1.4
1.2
1
-0.2
-0.4
-0.6
-0.8
-1
0.8
0.6
0.4
LL
Nom
HL
Vin
LL
HL
Nom
Vin
5
5
TRIꢁ RESISTOR VS. OUTPUT VOLTAGE CHANGE
50
3
-trim +trim
OUTPUT RIPPLE VS. TEꢁPERATURE
1.2
1
45
40
35
30
25
20
15
10
5
0.8
0.6
0
-40
-15
25
65
110
10
9
8
7
6
5
4
3
2
1
Tcase (C)
Percentage Change In Output Voltage
12 15 15
+trim -trim trim
TRIꢁ RESISTOR VS. OUTPUT VOLTAGE CHANGE
100
THROUGH-HOLE SOLDERING INFORMATION
90
80
70
60
50
40
30
20
10
0
These devices are intended for wave soldering or manual soldering.
They are not intended to be subject to surface mount processes
under any circumstances.
The normal wave soldering process can be used with these devices
where the device is subjected to a maximum wave temperature of
260°C for a period of no more than 10 seconds. Within this time and
temperature range, the integrity of the device’s plastic body will not be
compromised and internal temperatures within the converter will not
exceed 175°C. Care should be taken to control manual soldering limits
identical to that of wave soldering.
10
9
8
7
6
5
4
3
2
1
Percentage Change In Output Voltage
Power Electronics Division, United States
3400 E Britannia Drive, Tucson, Arizona 85706
Tel: 800.547.2537 Fax: 520.295.4197
C&D Technologies, (NCL)
Milton Keynes MK14 5BU UK
Tel: +44 (0)1908 615232 Fax: +44 (0)1908 617545
Any data, prices, descriptions or specifications presented herein are subject to revision by C&D Technologies, Inc. without notice. While such information is believed to be
accurate as indicated herein, C&D Technologies, Inc. makes no warranty and hereby disclaims all warranties, express or implied, with regard to the accuracy or complete-
ness of such information. Further, because the product(s) featured herein may be used under conditions beyond its control, C&D Technologies, Inc. hereby disclaims all
warranties, either express or implied, concerning the fitness or suitability of such product(s) for any particular use or in any specific application or arising from any course of
dealing or usage of trade. The user is solely responsible for determining the suitability of the product(s) featured herein for user’s intended purpose and in user’s specific
application. C&D Technologies, Inc. does not warrant or recommend that any of its products be used in any life support or aviation or aerospace applications.
4
Product: www.cd4power.com
WPN20RC RoHS: REV A 05-2006
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