Specifications CASE B Features

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Specifications
W20
INPUT SPECIFICATIONS:
Input Voltage Range................................................................................................................................................... 24V......................................................18-36V
48V......................................................36-72V
Input Filter...................................................................................................................................................................................................................................Pi Type
20 WATT WIDE INPUT
DC-DC CONVERTERS
Features
• 20W Isolated Output
• Efficiency to 86%
• 2:1 Input Range
• Pi Input Filter
• Continuous Short Circuit Protection
• Remote On/Off Option
Voltage Accuracy ............................................................................................................................................................................................................ ±1.0% max.
Transient Response: Single 25% Step Load Change...................................................................................................................................................... <500u sec.
Minimum Output Curreut .............................................................................................................................................................................................................10%
Output Voltage Trim Range .......................................................................................................................................................................................................±10%
Ripple & Noise, 20MHz BW..........................................................................................................................................................................................75mV p-p max.
Temperature Coefficient........................................................................................................................................................................................... ±0.02%/˚C max.
Line Regulation1, Single Output ........................................................................................................................................................................................±0.2% max.
Load Regulation2, Single Output ......................................................................................................................................................................................±1.0% max.
Short Circuit Protection ....................................................................................................................................................................................................Continuous
Current Limit Threshold Range, % Io rated....................................................................................................................................................................110% ~140%
External Trim Adj. Range ............................................................................................................................................................................................................±10%
Remote On/Off Control:
Logic Compatibility..............................................................................................................................................................COMS or Open Collector TTL
EC-ON........................................................................................................................................................................................>+5.5VCD or Open Circuit
EC-OFF....................................................................................................................................................................................................................< 1.8 VDC
Control Common....................................................................................................................................................................Referenced to Input Minus
GENERAL SPECIFICATIONS:
Efficiency..............................................................................................................................................................................................................................See Table
Isolation Voltage .......................................................................................................................................................................................................... 500 VDC min.
Isolation Resistance ...................................................................................................................................................................................................10 8 Ohms min.
Switching Frequency ...................................................................................................................................................................................................... 500KHz Typ.
Operating Temperature Range............................................................................................................................................................................... -25˚C to +71˚C
Case Temperature........................................................................................................................................................................................................... 100˚C max
Storage Temperature Range ................................................................................................................................................................................. -40˚C to +100˚C
EMI / RFI..................................................................................................................................................................................................Six Sided Continuous Shield
Dimensions............................................................................................................................................................................2 x1 x 0.4 inches (50.8x25.4x10.2 mm)
Case Material ..............................................................................................................................................Black Coated Copper with Non-Conductive Base
NOTE:
1. Measured From High Line to Low Line.
2. Measured From Full Load to 1/4 Load.
CASE B
All Dimensions In Inches(mm)
Tolerance .xx= ±.04, .xxx= ±.010
MODEL
NUMBER
INPUT
VOLTAGE
W20-24S2.5
W20-24S3.3
18-36 VDC
OUTPUT
VOLTAGE
W20-48S3.3
36-72 VDC
INPUT CURRENT
NO LOAD
FULL LOAD
%EFF
5000 mA
35 mA
645 mA
81
3.3 VDC
5000 mA
45 mA
828 mA
83
5 VDC
4000 mA
45 mA
981 mA
85
2.5 VDC
5000 mA
25 mA
318 mA
82
3.3 VDC
5000 mA
35 mA
410 mA
CASE
PIN CONNECTION
2.5 VDC
W20-24S5
W20-48S2.5
OUTPUT
CURRENT
84
2.00
(50.80)
B
0.40
(10.2)
0.22
min.
(5.6)
5 VDC
4000 mA
35 mA
485 mA
86
1.
2.
3.
4.
5.
6.
7.
8.
9.
Remote ON/OFF
N0 Pin
-Vin
+vin
Trim
NP
-Vout
NP
+Vout
NC: NO CONNECTION
NP: NO PIN
B
0.20
(5.08)
1.00
(25.4) 0.20
0.20
4
8
3
7
0.20
(5.08)
0.20
6
0.20
1
0.20
0.10
(2.54)
9
2
NOTE : 1. Nominal Input Voltage 24 or 48 VDC
Function
1.80
(45.72)
0.20
W20-48S5
Pin
0.20
5
0.10
(2.54)
All Specifications Typical At Nominal Line, Full Load and 25˚C Unless Otherwise Noted.
W20
OUTPUT SPECIFICATIONS: