V14
1
︳
EC3AW SERIES
3 WATT 4:1 INPUT RANGE
DC-DC CONVERTERS
FEATURES
* 3W Isolated Output
* DIP-24/SMD Package
* Efficiency to 77%
* 4:1 Input Range
* Regulated Outputs
* Pi Input Filter
* Continuous Short Circuit Protection
NOTE: 1. Nominal Input Voltage 24 or 48 VDC
INPUT CURRENT
MODEL
NUMBER
INPUT
VOLTAGE
OUTPUT
VOLTAGE
OUTPUT
CURRENT
NO LOAD FULL LOAD
%
EFF.
CASE
EC3AW01 9-36 VDC 5 VDC 600 mA 15 mA 174 mA 72 DIP-24
EC3AW02 9-36 VDC 12 VDC 250 mA 15 mA 165 mA 76 DIP-24
EC3AW03 9-36 VDC 15 VDC 200 mA 15 mA 165 mA 76 DIP-24
EC3AW04 9-36 VDC ±5 VDC ±300 mA 25 mA 179 mA 70 DIP-24
EC3AW05 9-36 VDC ±12 VDC ±125 mA 25 mA 174 mA 72 DIP-24
EC3AW06 9-36 VDC ±15 VDC ±100 mA 25 mA 174 mA 72 DIP-24
EC3AW07 9-36 VDC 3.3 VDC 600 mA 15 mA 117 mA 70 DIP-24
EC3AW11 18-72 VDC 5 VDC 600 mA 7.5 mA 87 mA 72 DIP-24
EC3AW12 18-72 VDC 12 VDC 250 mA 7.5 mA 81 mA 77 DIP-24
EC3AW13 18-72 VDC 15 VDC 200 mA 7.5 mA 81 mA 77 DIP-24
EC3AW14 18-72 VDC ±5 VDC ±300 mA 12 mA 88 mA 71 DIP-24
EC3AW15 18-72 VDC ±12 VDC ±125 mA 12 mA 87 mA 72 DIP-24
EC3AW16 18-72 VDC ±15 VDC ±100 mA 12 mA 87 mA 72 DIP-24
EC3AW17 18-72 VDC 3.3 VDC 600 mA 7.5 mA 58 mA 70 DIP-24
V14
2
SPECIFICATIONS
All Specifications Typical At Nominal Line, Full Load, and 25℃ Unless Otherwise Noted
INPUT SPECIFICATIONS: ISOLATION VOLTAGE:
Input Voltage Range ....……………..........….......... 24V ......................... 9-36V
500 VDC min. …………………………………………… Standard Models
48V ........................18-72V
3K VDC min. (note4) …………………………………… Suffix “H” Models
Input Filter ………………………………………………….…………..... Pi Type
1.5K VDC min. ….…………………….……………… Suffix “HM” Models
OUTPUT SPECIFICATIONS:
CASE MATERIAL:
Voltage Accuracy ......................................................................... ±2.0% max.
Standard Models …………….…………… Non-Conductive Black Plastic
Voltage Balance (Dual) ..................................................................
±1.0% max.
Suffix “M” Models (note 5) ………... Black Coated Copper with Non-conductive Base
Temperature Coefficient …………………………………………… ±0.05%/℃
NOTE:
Ripple & Noise, 20MHz BW Single & ±5V ………….…… 100mV pk-pk max.
1. Measured from high line to low line.
Dual …..……………………..… 1% pk-pk max.
2. Measured from full load to 10% load.
Short Circuit Protection ……………………………………………… Continuous
3. Measured from full load to 1/4 load.
Line Regulation Single/Dual (note1) …….………………….........…±0.5% max.
4. Non-Conductive black plastic only.
Load Regulation Single (note2) ……………..…….......……….... ±0.5% max.
5. Suffix “S” to the model number with SMD packages.
Dual (note3) ………….…………………………±1.0% max.
6. Maximum case temperature under any operating condition should
GENERAL SPECIFICATIONS:
not be exceeded 95℃(Plastic Case), 100℃(Copper Case).
Efficiency .......................................................................................... See Table
Isolation Resistance .....................................................…… 10
9
ohm min.
Switching Frequency ................................................................... 100KHz min.
Operating Ambient Temperature Range .................................. -25℃ to +71℃
De-rating, Above 71℃ (Plastic Case) ……… Linearly to Zero power at 95℃
De-rating, Above 71℃ (Copper Case) ….… Linearly to Zero power at 100℃
Case Temperature (Plastic case note6) ...................................... 95℃ max.
(Copper case note6) ……………………….. 100℃ max.
Cooling ………………………………………..…………….. Natural Convection
Storage Temperature Range ………....….......……........ -40℃ to +100℃
Dimensions …… DIP ….….… 1.25x0.80x0.40 inches(31.8x20.3x10.2 mm)
SMD ………… 1.25x0.80x0.45 inches(31.8x20.3x11.4 mm)
Weight …………………………………………………………..………... 12.5g
Case A Dimensions:
BOTTOM
VIEW
SEE NOTE
PIN CONNECTION
500 VDC 1.5K & 3K VDC
Pin Single Output Dual Output
1,24
2,23
3,22
10,15
11,14
12,13
+V Input
NC
NC
-V Output
+V Output
-V Input
+V Input
-V Output
-V Input
Common
Common
+V Output
* NP-NO PIN
* NC-NO CONNECTION WITH PIN
All Dimensions In Inches (mm)
Tolerances Inches: X.XX= ±0.02 , X.XXX= ±0.010
Millimeters: X.X= ±0.5 , X.XX=±0.25
9
4
20,21
CASE AS
TOP
VIEW
DIP SMD
NP NC
NP NC
NP NC
DIP SMD
Pin Single Output Dual Output
DIP SMD DIP SMD
NP NC
NP NC
NP NC
NC
NC -V Output
Common
-V Input -V Input
+V Output
+V Output
Common
-V Output
+V Input +V Input
1,24
2,3
10,15
11
12,13
14
9
22,23
16
4,5
20,21
NP NC NP NC
NP NC NP NC
NC NC
NP NC NP NC
NP NC NP NC
16 NP NC NP NC
5NP NC NP NC
NOTE:Pin Size is 0.02±0.002 Inch (0.5±0.05 mm) DIA
Typical Derating curve for Natural Convection
71
-25
95
100
0%
20%
40%
60%
80%
100%
120%
-25 0 25 50 75 100
Ambient Temperature(
o
C)
LOAD(%)
Plastic Case
Copper Case
