All Specifications Typical At Nominal Line, Full Load and 25˚C Unless Otherwise Noted.
2.00(50.8)
5 4 3
2
BOTTOM VIEW
1
0.60 (15.2)
0.800 (20.32)
0.200
(5.08)
0.40
(10.2)
0.040 DIA
0.22 min.
(5.6)
0.40
(10.2)
0.400
(10.16)
0.400
(10.16)
1.00
(1.02)
(25.4)
All Specifications Typical At Nominal Line, Full Load and 25˚C Unless Otherwise Noted.
Specifications
INPUT SPECIFICATIONS:
Input Voltage Range......................12V.................................................9-18V
24V...............................................18-36V
48V...............................................36-72V
Input Filter..............................................................................................Pi Type
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/Dual1......................................................± 0.5% max.
Load Regulation, Single2............................................................. ± 0.5% max.
Dual3................................................................ ± 1.0% max.
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
Storage Temperature Range............................................. -40°C to + 100°C
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
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
not exceed 100˚C.
EC3B Series Derating Curve
-25
-25
0
71
100
50 7525 100
Output Load(%)
100%
120%
80%
60%
40%
20%
0%
Ambient Temperature(˚C)
Natural
Convection
CASE B
EC3B
EC3B
7.5 WATT
DC-DC CONVERTERS
S E R I E S
MODEL
NUMBER
EC3B01
EC3B02
EC3B03
EC3B04
EC3B05
EC3B06
EC3B07
EC3B11
EC3B12
EC3B13
EC3B14
EC3B15
EC3B16
EC3B17
EC3B21
EC3B22
EC3B23
EC3B24
EC3B25
EC3B26
EC3B27
9-18 VDC
18-36 VDC
36-72 VDC
5 VDC
12 VDC
15 VDC
±12 VDC
±15 VDC
±5 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
±12 VDC
±15 VDC
±5 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
±12 VDC
±15 VDC
±5 VDC
3.3 VDC
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
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
76
80
80
80
80
76
74
78
82
82
81
81
78
76
78
81
81
81
81
78
76
2" x 1"
2" x 1"
2" x 1"
% EFF. SIZE
INPUT
VOLTAGE
OUTPUT
CURRENT
INPUT CURRENT
NO LOAD FULL LOAD
OUTPUT
VOLTAGE
NOTE: 1. Nominal Input Voltage 12, 24 or 48 VDC
PIN CONNECTION
Pin Function
1
2
3
4
5
+ Input
- Input
+ Output
Common/NP
- Output
*NP-NO PIN
• 7.5W Isolated Output
• 2" x 1" Case
• Regulated Outputs
Features
• Efficiency to 82%
• Pi Input Filter
• Continuous Short Circuit Protection
All Dimensions In Inches(mm)
Tolerances Inches: x.xx= ±0.04, x.xxx= ±0.010
Millimeters: x.x= ±1, x.xx= ±0.25
