Input Voltage Range......................12V.................................................9-18V
24V...............................................18-36V
48V...............................................36-72V
Output Load(%)
100%
80%
60%
40%
20%
0%
-25
71
Input Filter..............................................................................................Pi Type
S
E
R
I
E
S
7.5 WATT
DC-DC CONVERTERS
OUTPUT SPECIFICATIONS:
Voltage Accuracy........................................................................±2.0% max.
Voltage Balance (Dual)...............................................................±1.0% max.
Temperature Coefficient...............................................................±0.05%/˚C
Ripple and Noise, 20MHz BW.................3.3V/5V................100mV p-p max.
12V/15V.......................1% p-p max.
Short Circuit Protection................................................................Continuous
Line Regulation, Single/Dual
1
......................................................± 0.5% max.
Load Regulation, Single
2
............................................................. ± 0.5% max.
Dual
3
................................................................ ± 1.0% max.
Natural
Convection
100
-25
0
25
50
75
100
Ambient Temperature(˚C)
NOTE:
1. Measured From High Line to Low Line
2. Measured From Full Load to 10% Load
3. Measured From Full Load to 1/4 Load
4. Maximum case temperature under any operating condition should
Features
• 7.5W Isolated Output
• 2" x 1" Case
• Regulated Outputs
• Efficiency to 82%
• Pi Input Filter
• Continuous Short Circuit Protection
GENERAL SPECIFICATIONS:
Efficiency..........................................................................................See Table
Isolation Voltage......................................................................1500 VDC min.
Isolation Resistance...........................................................................10
9
Ohms
Switching Frequency...................................................................100KHz, min.
Operating Ambient Temperature Range ........................... -25˚C to +71˚C
De-rating, Above 71˚C …………………... Linearly to Zero power at 100˚C
Case Temperature
4
…………….................................................... 100˚C max
Cooling ……………………………………………….........Natural Convection
not exceed 100˚C.
PIN CONNECTION
Pin
Function
MODEL
NUMBER
EC3B01
EC3B02
EC3B03
EC3B04
EC3B05
EC3B06
EC3B07
EC3B11
EC3B12
EC3B13
EC3B14
EC3B15
EC3B16
EC3B17
EC3B21
EC3B22
EC3B23
EC3B24
EC3B25
EC3B26
EC3B27
INPUT
VOLTAGE
OUTPUT
VOLTAGE
5 VDC
12 VDC
15 VDC
OUTPUT
CURRENT
1500 mA
625 mA
500 mA
±310 mA
±250 mA
±750 mA
1500 mA
1500 mA
625 mA
500 mA
±310 mA
±250 mA
±750 mA
1500 mA
1500 mA
625 mA
500 mA
±310 mA
±250 mA
±750 mA
1500 mA
INPUT CURRENT
FULL LOAD
NO LOAD
7.5 mA
7.5 mA
7.5 mA
12 mA
12 mA
7.5 mA
7.5 mA
5 mA
5 mA
5 mA
7.5 mA
7.5 mA
7.5 mA
5 mA
2 mA
2 mA
2 mA
3 mA
3 mA
3 mA
3 mA
820 mA
780 mA
780 mA
775 mA
780 mA
820 mA
557 mA
400 mA
380 mA
380 mA
385 mA
385 mA
400 mA
271 mA
200 mA
192 mA
192 mA
192 mA
192 mA
200 mA
136 mA
Storage Temperature Range.............................................
-40°C to + 100°C
% EFF.
76
80
80
80
80
76
74
78
82
82
81
81
78
76
78
81
81
81
81
78
76
SIZE
1
2
3
4
5
*NP-NO PIN
+ Input
- Input
+ Output
Common/NP
- Output
Dimensions................................................................2.00 x 1.00 x 0.40 inches
(50.8 x 25.4 x 10.2mm)
Case Material....................................................Black Coated Copper With
Non-Conductive Base
Weight..........................................................................................................35g
9-18 VDC
±12 VDC
±15 VDC
±5 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
2" x 1"
CASE B
All Dimensions In Inches(mm)
Tolerances
Inches: x.xx= ±0.04, x.xxx= ±0.010
Millimeters: x.x= ±1, x.xx= ±0.25
0.200
(5.08)
0.40
(10.2)
0.60 (15.2)
18-36 VDC
±12 VDC
±15 VDC
±5 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
2" x 1"
2
1
0.800 (20.32)
2.00(50.8)
BOTTOM VIEW
5
4
3
0.040 DIA
(1.02)
0.22 min.
(5.6)
36-72 VDC
±12 VDC
±15 VDC
±5 VDC
3.3 VDC
2" x 1"
0.400
(10.16)
1.00
(25.4)
0.400
(10.16)
0.40
(10.2)
NOTE: 1. Nominal Input Voltage 12, 24 or 48 VDC
All Specifications Typical At Nominal Line, Full Load and 25˚C Unless Otherwise Noted.
E C 3 B
E C 3 B
Specifications
INPUT SPECIFICATIONS:
120%
EC3B Series Derating Curve