Input Voltage Range......................12V.................................................9-18V
24V...............................................18-36V
48V...............................................36-72V
Positive Logic Remote ON/OFF ( see note 6 )
Input Filter..............................................................................................Pi Type
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.
Output Load(%)
120%
-25
71
100%
80%
60%
40%
20%
0%
S
E
R
I
E
S
OUTPUT SPECIFICATIONS:
3 WATT
EN55022 CLASS B
DC-DC CONVERTERS
®
US
Plastic Case
Copper Case
95
100
-25
0
25
50
75
100
GENERAL SPECIFICATIONS:
Efficiency...........................................................................................See Table
Isolation Resistance...........................................................................10.
9
ohms
Switching Frequency...................................................................100KHz, min
Operating Ambient Temperature Range ............................-25˚C to +71˚C
De-rating, Above 71˚C(Plastic Case).........Linearly to Zero power at 95˚C
De-rating, Above 71˚C (Copper Case)....Linearly to Zero power at 100˚C
Case Temperature (Plastic case
8
) .................................................95˚C max
(Copper case
8
) ………………….….............100˚C max
Cooling ………………………………………………......... Natural Convection
Storage Temperature Range..............................................-40°C to + 100°C
EMI / RFI...........................................Conductive EMI Meet EN55022 Class B
Dimensions...........DIP..........1.25 x 0.80 x 0.50 inches(31.8 x 20.3 x 12.7mm)
SMD........1.25 x 0.80 x 0.55 inches(31.8 x 20.3 x 14.0mm)
Weight..........................................................................................................15g
Ambient Temperature(˚C)
E176177
H/HM Versions Only
Features
•
•
•
•
3W Isolated Output
DIP-24 / SMD Package
Regulated Outputs
Efficiency to 80%
INPUT
VOLTAGE
OUTPUT
VOLTAGE
5 VDC
12 VDC
15 VDC
9-18 VDC
±5 VDC
±12 VDC
±15 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
18-36 VDC
±5 VDC
±12 VDC
±15 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
36-72 VDC
±5 VDC
±12 VDC
±15 VDC
3.3 VDC
•
•
•
•
Meets EN55022 Class B, Conducted
Pi Input Filter
Continuous Short Circuit Protection
Remote On/Off Control (Option)
INPUT CURRENT
FULL LOAD
NO LOAD
7.5 mA
7.5 mA
7.5 mA
12 mA
12 mA
12 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
329 mA
316 mA
321 mA
329 mA
325 mA
329 mA
229 mA
162 mA
156 mA
156 mA
164 mA
156 mA
162 mA
111 mA
81 mA
81 mA
81 mA
80 mA
82 mA
82 mA
58 mA
% EFF.
76
79
78
76
77
76
72
77
80
80
76
80
77
74
77
77
77
78
76
76
71
DIP-24
DIP-24
DIP-24
CASE
PIN CONNECTION
500 VDC
Pin
Single Output
DIP
SMD
Dual Output
DIP SMD
1.5K & 3K VDC
Single Output Dual Output
Pin
DIP
SMD
DIP SMD
ISOLATION VOLTAGE:
500 VDC min........................................................................Standard Models
3K VDC min
4
.......................................................................... Suffix "H" Models
1.5K VDC min.....................................................................Suffix "HM" Models
1,24
2,23
3,22
4
5
9
10,15
11,14
12,13
16
20
21
+V Input
NC
NC
NP
NP
NP
NC
NC
NC
+V Input
-V Output
Common
NP
NP
NP
NC
NC
NC
1,24
2,3
4
5
9
10,15
11
12,13
14
16
20,21
22,23
NP
NP
NP/
NC
NC
NC/
NP
NP
NP/
NC
NC
NC/
-V Input
-V Input
MODEL
NUMBER
EC3AB11
EC3AB12
EC3AB13
EC3AB14
EC3AB15
EC3AB16
EC3AB17
EC3AB21
EC3AB22
EC3AB23
EC3AB24
EC3AB25
EC3AB26
EC3AB27
EC3AB31
EC3AB32
EC3AB33
EC3AB34
EC3AB35
EC3AB36
EC3AB37
OUTPUT
CURRENT
600 mA
250 mA
200 mA
±300 mA
±125 mA
±100 mA
600 mA
600 mA
250 mA
200 mA
±300 mA
±125 mA
±100 mA
600 mA
600 mA
250 mA
200 mA
±300 mA
±125 mA
±100 mA
600 mA
CASE MATERIAL:
Standard Models .........................................
Non-Conductive Black Plastic
Suffix "M" Models
5
...............................................Black
Coated Copper with
Non-Conductive Base
Remole On/Off
Remole On/Off
Remole On/Off
Remole On/Off
NC
NC
NC
NP
NC
+V Output
-V Output
NP
NC
+V Input
Common
NC
-V Output
NP
NC
+V Output
Common
NP
NC
+V Input
-V Output
+V Output
-V Input
NP
NP
NP
NC
NC
NC
Common
+V Output
-V Input
NP
NP
NP
NC
NC
NC
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. Non-Conductive Black Plastic Only
5. Suffix "T" to the Model Number with Remote On/Off for "H"/"HM" Versions Only
6. Logic Compatibility....CMOS or Open Collector TTL, ref. to-Vin
Module ON ................................>5.5Vdc or Open Circuit
Modeule OFF.........................................................<1,8Vdc.
Shutdown Idle............................................................10mA
Control Common..................Referenced to Input Minus
7. Suffix "S" to the Model Number with SMD Packages
8. Maximum case temperature under any operating condition should
not exceed 95˚C (Plastic Case),100˚C (Copper Case).
*NP-NO PIN
*NC-NO CONNECTION WITH PIN
*Remote On/Off (Option)
CASE A
NOTE:Pin Size is 0.02” Inch (0.5mm) DIA
All Dimensions In Inches(mm)
Tolerance
Inches: .xx= ±.02, .xxx= ±.010
Millimeters: .x= ±.5, .xx= ±.25
0.08
(2.0)
1
2
3
5
0.200
(5.08)
SEE NOTE
24 23 22 21 20
16 15 14 13
1.00
(25.4)
22
0.80
(20.3)
24
23
TOP
VIEW
1
2
3 4
5
9 10 11 12
BOTTOM
VIEW
16
15
14
13
0.600
(15.24)
0.80
(20.3)
9
10
11
12
1.25
(31.8)
0.100
(2.54)
0.02
(0.5)
0.04
(1.0)
0.53
(13.5)
0.15
(3.8)
0.08
(2.0)
0.50
(12.7)
0.100
(2.54)
1.25
(31.8)
NOTE: 1. Nominal Input Voltage 12, 24 or 48 VDC
All Specifications Typical At Nominal Line, Full Load and 25˚C Unless Otherwise Noted.
0.55
(14.0)
E C 3 A B
EC3AB
Specifications
INPUT SPECIFICATIONS:
EC3AB Series Derating Curve
