E20
20 Watts DIP Type
Wide Input
DC - DC Converter
◆ 20W Isolated Output ◆ Continuous Short Circuit Protection
◆ Remote on/off Control ◆ Meets EN55022 Class A, Conducted
Model
Number
E20-40
Input
Voltage
(VDC)
9~36
Output
Voltage
(VDC)
3.3
Output
Current
(mA)
4000
EFF.
%
(Min.)
78
Input Voltage Range...............................24V: 9-36V / 48V: 18-72V
Input Filter........................................................................Pi Type
Input Surge Range.................24V:50Vdcmax./ 48V:100Vdcmax.
Positive Logic Remote ON/OFF Control.......................See Note 3
Voltage Accuracy................................Single Output:±1.0%max
Dual +Output: 1.0%max / Dual - Output: ±2.0%max
Voltage Bal.,Dual Output at Full Load........................±1.0%max
Temperature Coefficient............................................±0.02%/℃
Ripple & Noise,20MHz BW............20mVRMS, max./75mVp-pmax.
Output Voltage Trim Range..............................................± 10%
Short Circuit Protection..............................................Continuous
Line Regulation(see note1)...........Single/Dual..........±0.5% max.
Load Regulation(see note2)..........Single/Dual...........±0.5%max.
Start up time.................................................................270ms Typ.
External Trim Adjust Range..............................................±10.0%
Transient Response......Single 25% step load change <500 µsec
Dual FL-1/2L 1% Error Band <500µsec
Isolation Resistance....................................................108 Ω min.
Isolation Capacitance........... ....................................1000 pF Typ.
Isolation Voltage...............(Input/Output)..............1500 VDC min.
Switching Frequency.......................................... 300KHz, Typical
OperatingAmbient Temperature .........................-25℃ to +71℃
De-Rating,Above 60℃....................Linearly to zeropowerat100℃
Storage Temperature Range.............................-55℃ to +105℃
Humidity.........................................95% RH max. Non condensing
EMI/RFI..............................................Six Sided Continuous Shield
Case Temperature......................................................100℃ Max
Case Material...Black coated copper with non-conductive base
Dimension.................2.0x1.6x0.45 inches (50.8x40.6 x11.4mm)
Weight................................................................................ 53g
All Specifications are Typical at Nominal Line, full Load and 25℃.
Unless Otherwise Noted.
E20-41
E20-42
E20-43
E20-44
9~36
9~36
9~36
9~36
5 4000
12 1670
15 1330
± 5 ±2000
81
83
83
83
E20-45
E20-46
9~36
9~36
± 12
± 15
±833
±666
83
83
E20-50
E20-51
E20-52
E20-53
E20-54
E20-55
E20-56
18~72
18~72
18~72
18~72
18~72
18~72
18~72
3.3
5
12
15
±5
± 12
± 15
4000
4000
1670
1330
±2000
±833
±666
78
82
84
84
84
84
84
Note:
1. Measured from high line to low line.
2. Measured from full load to 1/4 load.
3. Remote On/Off Control:
Logic Compatibility: CMOS or Open Collector TTL
EC-ON:>+5.5VDC to75VDC or Open Circuit/ EC-OFF:<1.8VDC
Control Common: Referenced to Input Minus
(Unit: inch(mm))
1.60
(40.6)
0.50
(12.7)
0.70
(17.8)
0.10
(2.54)
0.30
(7.62)
87
6
1.80
(45.72)
2.00
(50.80)
BOTTOM
VIEW
5
0.04 DIA
(1.02)
0.22
(5.60)
43
1
0.70
(17.78)
0.20
(5.08)
0.60
(15.24)
0.45
(11.4)
External Output Trimming
Pin 7
10K
Pin 6
TRIM UP
Pin 5
TRIM DOWN
TRIM
UP/DOWN
Pin#
1
3
4
5
6
7
8
Pin Connections
Single
Pin#
Dual
On/Off Control
1
On/Off Control
-Vi 3 -Vi
+Vi 4 +Vi
Trim 5 Trim
-Vo 6 -Vo
+Vo
7 Com.
NP 8 +Vo
Your Smart Choice in Power
Quality Products , Fast response , Low cost 135
