V12
︳
FEATURES
EC8AW SERIES
15 WATT 4:1 INPUT RANGE
DC-DC CONVERTERS
* 15W Isolated Output
* DIP-24 Metal Package
* Very High Efficiency Up to 90%
* Low No Load Power Consumption
* 4:1 Input Range
* Regulated Outputs
* Conductive EMI Meet EN55022 Class A
Without External Components
* Continuous Short Circuit Protection
* No Tantalum Capacitor Inside
* CE Mark Meets 2004/108/EC
* Safety Meets UL60950-1, EN60950-1 and IEC60950-1
MODEL
NUMBER
EC8AW-24S33
EC8AW-24S05
EC8AW-24S12
EC8AW-24S15
EC8AW-24D12
EC8AW-24D15
EC8AW-48S33
EC8AW-48S05
EC8AW-48S12
EC8AW-48S15
EC8AW-48D12
EC8AW-48D15
INPUT
OUTPUT OUTPUT CURRENT INPUT CURRENT
% EFF.
VOLTAGE VOLTAGE
MIN.
MAX.
NO LOAD FULL LOAD
(2) (3)
9-36 VDC
9-36 VDC
9-36 VDC
9-36 VDC
9-36 VDC
9-36 VDC
18-75 VDC
18-75 VDC
18-75 VDC
18-75 VDC
18-75 VDC
18-75 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
±12 VDC
±15 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
±12 VDC
±15 VDC
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
4000 mA
3000 mA
1250 mA
1000 mA
±625 mA
±500 mA
4000 mA
3000 mA
1250 mA
1000 mA
±625 mA
±500 mA
8 mA
8 mA
8 mA
8 mA
8 mA
8 mA
6 mA
6 mA
6 mA
6 mA
6 mA
6 mA
625 mA
694 mA
694 mA
694 mA
702 mA
694 mA
309 mA
347 mA
347 mA
347 mA
351 mA
347 mA
88
90
90
90
89
90
89
90
90
90
89.5
90
88
90
90
90
89
90
89
90
90
90
89.5
90
CAPACITIVE
LOAD MAX.
4000µF
3000µF
1250µF
1000µF
625µF
500µF
4000µF
3000µF
1250µF
1000µF
625µF
500µF
NOTE: 1. Nominal Input Voltage
24 or 48VDC
2. Measure at 12VDC for EC8AW 24 Vin, 24VDC for EC8AW 48 Vin
3. Measure at Nominal Input Voltage
1
V12
SPECIFICATIONS
All Specifications Typical At Nominal Line, Full Load, and 25
℃
Unless Otherwise Noted
INPUT SPECIFICATIONS:
Input Voltage Range ....…............................................. 24V ...........….. 9-36V
48V ...............18-75V
Input Surge Voltage (100ms max.) …………….……… 24V ....... 50Vdc max.
48V .... 100Vdc max.
Under Voltage Lockout ……….…… 24Vin power up .…………………… 8.8V
24Vin power down ……………......… 8V
48Vin power up .……..…………..….17V
48Vin power down ………...……… 16V
Input Filter ……………………………………………..………..….……... Pi Type
Remote On/Off Control
Logic Compatibility ……… CMOS or Open Collector TTL, Referenced to –Vin
Module On ………….………… >3.5VDC to Vin or Open Circuit
Module Off ……………….…………………….…………. <1.2VDC
GENERAL SPECIFICATIONS:
Efficiency..............................................................…..……...See Table
Isolation Voltage .................….. Input/Output …..……..…. 1500VDC min.
9
Isolation Resistance .........................……….............……. 10 ohm min.
Isolation Capacitance…………………..…………………..…1000pF typ.
Switching Frequency .....................…..........……………. 300KHz typ.
EMI/RFI……….…………….…. Conductive EMI Meet EN55022 Class A
Operating Ambient Temperature ………..………..…... -40
℃
to +85
℃
De-rating, Above 65
℃
…………....…… Linearly to Zero power at 105
℃
Case Temperature (note4) ………….……………………….. 105
℃
max.
Cooling ………………………………………………… Natural Convection
Storage Temperature ………………....….......……........ -40
℃
to +125
℃
Humidity .................................................. 95% RH max. Non condensing
MTBF ………. MIL-STD-217F, GB, 25
℃
, Full Load ………… TBD hrs
Dimensions …… DIP ....… 1.25x0.80x0.40 inches (31.8x20.3x10.2 mm)
Case Material ……..… Black Coated Copper with Non-Conductive Base
Weight …………………………………………………………………….. 18g
OUTPUT SPECIFICATIONS:
Voltage Accuracy ………….......................................………..........
±1.5%
max.
Voltage Balance(Dual) ……………………………………………...
±1.0%
max.
Transient Response: 75% - 100% Step Load Change
Error Band ………..…………………………..
±5%
Vout Nominal
Recovery Time …………………….……………….…….. < 250µs
Ripple & Noise, 20MHz BW (note3)….… Single ....……… 75mV pk-pk max.
Dual …..…....… 75mV pk-pk max.
Temperature Coefficient .............……………….....….......….....
±0.03%/°C
Line Regulation (note1) ………………... Single ........................….
±0.2%
max.
Dual …......................….
±0.5%
max.
Load Regulation (note2) ……….......... Single ……...………......
±0.5%
max.
Dual …......................….
±1.0%
max.
Cross Regulation (Dual Output) Load Cross Variation 10%/100% ... ±5% max.
Current Limit ……………………………………. 110% - 160% Nominal Output
Output Short Circuit Protection .............................. Continuous (Hiccup Mode)
Over Voltage Protection (Zener Diode Clamp)
3.3V ……..…..…. 3.9Vdc typ., 5V ……..…...…..…. 6.2Vdc typ.
12V ……..……. 15Vdc typ., 15V ………...……. 18Vdc typ.
Start up time ………. ………….………………………………..…... 15ms typ.
NOTE:
1. Measured from high line to low line.
2. Measured from full load to min. load.
3. Measured with 0.1uF MLCC.
4. Maximum case temperature under any operating condition should
not be exceeded 105
℃
.
5
Typical Derating curve for Natural Convection
120%
100%
LOAD(%)
80%
60%
40%
20%
0%
-40
-20
0
Natural
Convection
-40
65
105
20
40
60
80 100
Ambient Temperature(
o
C)
120
Case A Dimensions:
NOTE:Pin Size is 0.02±0.002 Inch (0.5±0.05 mm)DIA
All Dimensions In Inches (mm)
Tolerances
Inches: X.XX= ±0.02 , X.XXX= ±0.010
Millimeters: X.X= ±0.5 , X.XX=±0.25
PIN CONNECTION
Pin
1
SEE NOTE
Single Output
Remote on/off
-V Input
NP
NP
NP
NC
NP
NP
+V Output
NP
-V Output
NP
+V Input
Dual Output
Remote on/off
-V Input
NP
Common
NP
-V Output
NP
NP
+V Output
NP
Common
NP
+V Input
2,3
4,5
9
10
BOTTOM
VIEW
11
12
13
14
15
16
20,21,24
22,23
* NC-NO CONNECTION WITH PIN
* NP-NO PIN
2
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