V20
EC3SA SERIES
︳
3 WATT WIDE INPUT
DC-DC CONVERTERS
FEATURES
* 3W Isolated Output
* Compact SIP-8 Package
* Efficiency to 86%
* 2:1 Input Range
* Regulated Outputs
* Remote On/Off Control
* 1500VDC Isolation
* Continuous Short Circuit Protection
* Under Voltage Protection
* Safety Meets IEC/EN/UL 62368-1
INPUT CURRENT
OUTPUT OUTPUT CURRENT
CAPACITOR
% EFF.
VOLTAGE
LOAD MAX.
MIN.
MAX.
NO LOAD FULL LOAD
3.3 VDC
0 mA
700 mA
60 mA
632 mA
73
700uF
5 VDC
0 mA
600 mA
60 mA
769 mA
78
600uF
12 VDC
0 mA
250 mA
60 mA
759 mA
81
250uF
15 VDC
0 mA
200 mA
60 mA
741 mA
81
200uF
±5 VDC
±0 mA ±300 mA
60 mA
769 mA
78
300uF
MODEL
NUMBER
INPUT
VOLTAGE
EC3SA-05S33N
EC3SA-05S05N
EC3SA-05S12N
EC3SA-05S15N
4.5-9.0 VDC
4.5-9.0 VDC
4.5-9.0 VDC
4.5-9.0 VDC
EC3SA-05D05N
4.5-9.0 VDC
EC3SA-05D12N
4.5-9.0 VDC
±12 VDC
±0 mA
±125 mA
60 mA
741 mA
81
125uF
EC3SA-05D15N
4.5-9.0 VDC
±15 VDC
±0 mA
±100 mA
60 mA
741 mA
81
100uF
EC3SA-12S33N
EC3SA-12S05N
EC3SA-12S12N
EC3SA-12S15N
9-18 VDC
9-18 VDC
9-18 VDC
9-18 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
0 mA
0 mA
0 mA
0 mA
30 mA
30 mA
30 mA
30 mA
253 mA
309 mA
301 mA
298 mA
76
81
83
84
700uF
600uF
250uF
200uF
EC3SA-12D05N
9-18 VDC
±5 VDC
±0 mA
700 mA
600 mA
250 mA
200 mA
±300 mA
30 mA
305 mA
82
300uF
EC3SA-12D12N
9-18 VDC
±12 VDC
±0 mA
±125 mA
30 mA
301 mA
83
125uF
EC3SA-12D15N
9-18 VDC
±15 VDC
±0 mA
±100 mA
30 mA
298 mA
84
100uF
EC3SA-24S33N
EC3SA-24S05N
EC3SA-24S12N
EC3SA-24S15N
18-36 VDC
18-36 VDC
18-36 VDC
18-36 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
0 mA
0 mA
0 mA
0 mA
18 mA
18 mA
18 mA
18 mA
125 mA
154 mA
149 mA
147 mA
77
81
84
85
700uF
600uF
250uF
200uF
EC3SA-24D05N
18-36 VDC
±5 VDC
±0 mA
700 mA
600 mA
250 mA
200 mA
±300 mA
18 mA
156 mA
80
300uF
EC3SA-24D12N
18-36 VDC
±12 VDC
±0 mA
±125 mA
18 mA
149 mA
84
125uF
EC3SA-24D15N
18-36 VDC
±15 VDC
±0 mA
±100 mA
18 mA
147 mA
85
100uF
EC3SA-48S33N
EC3SA-48S05N
EC3SA-48S12N
EC3SA-48S15N
36-75 VDC
36-75 VDC
36-75 VDC
36-75 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
0 mA
0 mA
0 mA
0 mA
9 mA
9 mA
9 mA
9 mA
63mA
77 mA
73 mA
73 mA
77
81
86
86
700uF
600uF
250uF
200uF
EC3SA-48D05N
36-75 VDC
±5 VDC
±0 mA
700 mA
600 mA
250 mA
200 mA
±300 mA
9 mA
77 mA
81
300uF
EC3SA-48D12N
36-75 VDC
±12 VDC
±0 mA
±125 mA
9 mA
73 mA
86
125uF
EC3SA-48D15N
36-75 VDC
±15 VDC
±0 mA
±100 mA
9 mA
73 mA
86
100uF
NOTE: 1. Nominal Input Voltage 5, 12, 24 or 48VDC
1
V20
SPECIFICATIONS
All Specifications Typical at Nominal Line, Full Load, and 25℃ Unless Otherwise Noted
INPUT SPECIFICATIONS:
GENERAL SPECIFICATIONS:
Input Voltage Range ....……………..........…...... 5V ..................... 4.5-9V
12V ....................... 9-18V
24V ..................... 18-36V
48V ……........... 36-75V
Input Surge Voltage (100ms max.) ………..….….... 5V ……........ 15Vdc max.
12V .............. 25Vdc max.
Efficiency ..............................................................…..……... See Table
Isolation Voltage ..........……………………..............…..…. 1500VDC min.
Isolation Resistance .........................….......................……. 109 ohm min.
Isolation Capacitance …………………..…………………….… 500pF typ.
Switching Frequency ......................….............…………….. 100KHz min.
Operating Ambient Temperature …………..……………... -40℃ to +85℃
24V .............. 50Vdc max.
De-rating, Above 71℃ …….…………… Linearly to Zero Power at 100℃
48V ............ 100Vdc max.
Case Temperature (note4) ………………………………….. 100℃ max.
Cooling …………………………………….…………. Natural Convection
Storage Temperature ………………....….......……........ -55℃ to +125℃
Humidity ................................................. 95% RH max. Non Condensing
MTBF ……… MIL-HDBK -217F, GB, 25℃, Full Load …… 2500khrs typ.
Dimensions ……….........… 0.86x0.36x0.44 inches(21.8x9.2x11.1 mm)
Case Material ……………………………… Non-Conductive Black Plastic
Weight …………………………………………….……………………... 4.8g
Under Voltage Protection (note5):
5Vin power up …………………….....………..... 4.2Vdc max.
power down …………………....……………. 3Vdc min.
12Vin power up ……….………………..………......7.3Vdc max.
power down ………………………..……….5.6Vdc min.
24Vin power up ………………………..………....15.5Vdc max.
power down …………………..……………. 12Vdc min.
48Vin power up ………………………..………...... 31Vdc max.
power down ………………………..………. 24Vdc min.
Input Filter ………………………………………………..….………... Capacitive
Remote On/Off Control (note6):
Module Off (Input Idle Current) ……..…………….…… 1mA max.
OUTPUT SPECIFICATIONS:
NOTE:
1. For asymmetric loading both channels must be at 25% load or more.
2. Measured from high line to low line.
3. Measured from full load to 10% load.
4. Maximum case temperature under any operating condition should
not be exceeded 100℃.
5. Suffix “ N “ to the model with under voltage protection.
6. Suffix “N“ Models: Module on …….……. 0 to < 0.8VDC or open circuit
Module off ………………………….…….………….. 4 to 15VDC
Other Models: Module on ………. 0 to < 1.2VDC or open circuit
Module off ……..………………………....……….. 5.5 to 15VDC
Typical Derating curve for Natural Convection
120%
-40
71
100%
LOAD(%)
Voltage Accuracy ............................................……….......... ±1.5% max.
Voltage Balance (Dual) ………..………………………………….... ±1.0% max.
Cross regulation (Dual) (note1) ….... Asymmetrical Load 25%/100% …... ±5.0% max.
Transient Response: 25% Step Load Change
Error Band ………………………….. ±6% Vout Nominal
Recovery Time …….……………………….…….. < 500us
Ripple & Noise 20MHz BW …………..………………..….….. 75mV pk-pk max.
Temperature Coefficient ....................……….....….......…..... ±0.03%/°C max.
Line Regulation (note2) .………………………….......................…. ±0.5% max.
Load Regulation (note3) …………..…… Single …........................ ±0.5% max.
Dual ..……..………….. ±1.0% max.
Output Short Circuit Protection ..........................................….…. Continuous
Start up Time …………………………………….………………….…... 1ms typ.
80%
60%
Natural
Convection
40%
20%
CASE SIP-8:
0%
-40
100
-20
0.01 [0.3]
0.70 [17.8]
Bottom View
1 2 3
5 6 7 8
0.44[11.1]
0.36[9.2]
0.10 [2.5]
0.14[3.5]
0.16 [4.1]
0.02 [0.5]
0.86 [21.8]
0.08 [2.0]
PIN CONNECTION
Dual
Pin Single
1 -V Input -V Input
2 +V Input +V Input
3
On/Off
On/Off
5
NC
NC
6 +V Output +V Output
7 -V Output Common
-V Output
8
NC
NC: NO CONNECTION WITH PIN
All Dimensions In Inches(mm)
Tolerances : Inches millimeters
X.XX±0.02 X.X±0.5
Pin
±0.002 ±0.05
0.02 [0.5]
2
0
20
40
60
Ambient Temperature(oC)
80
100
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