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EC4AW SERIES
5-6 WATT 4:1 INPUT RANGE
DC-DC CONVERTERS
FEATURES
* 5-6W Isolated Output
* DIP-24/SMD Package
* Efficiency to 80%
* 4:1 Input Range
* Regulated Outputs
* Pi Input Filter
* Continuous Short Circuit Protection
NOTE: 1. Nominal Input Voltage: 24 or 48 VDC
MODEL
NUMBER INPUT
VOLTAGE OUTPUT
VOLTAGE OUTPUT
CURRENT INPUT CURRENT %
EFF. CASE
NO LOAD FULL LOAD
EC4AW01 9-36VDC 5VDC 1000 mA 15 mA 267 mA 78 DIP-24
EC4AW02 9-36VDC 12VDC 470 mA 15 mA 294 mA 80 DIP-24
EC4AW03 9-36VDC 15VDC 400 mA 15 mA 313 mA 80 DIP-24
EC4AW04 9-36VDC ±12VDC ±230 mA 25 mA 288 mA 80 DIP-24
EC4AW05 9-36VDC ±15VDC ±190 mA 25 mA 297 mA 80 DIP-24
EC4AW06 9-36VDC ±5VDC ±500 mA 25 mA 267 mA 78 DIP-24
EC4AW07 9-36VDC 3.3VDC 1000 mA 15 mA 191 mA 72 DIP-24
EC4AW11 18-72VDC 5VDC 1000 mA 7.5 mA 134 mA 78 DIP-24
EC4AW12 18-72VDC 12VDC 470 mA 7.5 mA 149 mA 79 DIP-24
EC4AW13 18-72VDC 15VDC 400 mA 7.5 mA 157 mA 80 DIP-24
EC4AW14 18-72VDC ±12VDC ±230 mA 12 mA 146 mA 79 DIP-24
EC4AW15 18-72VDC ±15VDC ±190 mA 12 mA 149 mA 80 DIP-24
EC4AW16 18-72VDC ±5VDC ±500 mA 12 mA 135 mA 77 DIP-24
EC4AW17 18-72VDC 3.3VDC 1000 mA 7.5 mA 100 mA 70 DIP-24
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SPECIFICATIONS
All Specifications Typical At Nominal Line, Full Load, and 25℃ Unless Otherwise Noted
INPUT SPECIFICATIONS:
ISOLATION VOLTAGE:
Input Voltage Range ....……………..........….......... 24V …...................... 9-36V 1.5K VDC min. ………..………………… Standard or Suffix “HM” Models
48V ....................... 18-72V 3K VDC min. (note4) …………………………………… Suffix “H” Models
Input Filter ………………………………………………….…….……..... Pi Type CASE MATERIAL:
OUTPUT SPECIFICATIONS: Standard Models …………….…………… Non-Conductive Black Plastic
Voltage Accuracy ..........................................................................
±2.0% max. Suffix “HM” Models (note 5) ………….. Bl ack Coated Copper with Non-conductive Base
Voltage Balance (Dual) .................................................................. ±1.0% max. NOTE:
Temperature Coefficient …………………………………………… ±0.05%/℃ 1. Measured From High Line to Low Line
Ripple & Noise, 20MHz BW ……………. 3.3V/5V …..…… 100mV p-p max. 2. Measured From Full Load to 10% Load
12/15V …….………… 1% p-p max. 3. Measured From Full Load to 1/4 Load
Short Circuit Protection ……………………………………………… Continuous 4. Non-Conductive Black Plastic Only
Line Regulation Single/Dual (note 1) …….………………….........…±0.5% max. 5. Suffix “S” to the Model Number with SMD packages
Load Regulation Single (note 2) ……..……….…….......……….... ±0.5% max. 6. Maximum case temperature under any operating condition should
Dual (note 3) ….……………....……………………±1.0% max. not be exceeded 95℃(Plastic Case),100℃(Copper Case).
GENERAL SPECIFICATIONS:
Efficiency .......................................................................................... See Table
Isolation Resistance .....................................................…… 109 ohm min.
Switching Frequency ........................................................ 200KHz 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) ….…. Linea rly to Zero p ower at 100 ℃
Case Temperature (Plastic case note 6) …..................................... 95℃ max.
(Copper case note 6) ……..…………..……….. 100℃ max.
Cooling ……………………………………………….. Natural Convection
Storage Temperature Range ………....….......……........ -40℃ to +100℃
Dimensions …… DIP ….…...… 1.25×0.80x0.40 inches(31.8x20.3×10.2mm)
SMD ……….… 1.25×0.80x0.45 inches(31.8x20.3×11.4mm)
Weight …………………………………………………………………... 12.5g
Case A Dimensions:
BOTTOM
VIEW
SEE NOTE
* 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 CASE AS
TOP
VIEW
PIN CONNECTION
NC
NC -V Output
Common
-V Input -V Input
+V Output
+V Output
Common
-V Output
+V Input +V Input
Pin Single Output Dual Output
DIP SMD DIP SMD
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
NOTE:Pin Size is 0.02" Inch (0.5mm) DIA ±0.05
Typical Derating c urve for Natural Convection
71
-25
95
100
0%
20%
40%
60%
80%
100%
120%
-25 0 25 50 75 100
Ambient Temperat ure(oC)
LOAD(%)
Plastic Case
Copper Case
