EC2SA SERIES
2 WATT WIDE INPUT
DC-DC CONVERTERS
FEATURE
* 2W Isolated Output
* Compact SIP-8 Package
* Efficiency to 83%
* 2:1 Input Range
* Regulated Outputs
* Remote On/Off Control
* 1500VDC Isolation
* Continuous Short Circuit Protection
OUTPUT CURRENT INPUT CURRENT MODEL
NUMBER
INPUT
VOLTAGE
OUTPUT
VOLTAGE MIN. MAX. NO LOAD FULL LOAD EFF.（%）CASE
EC2SA-05S33 4.5-9.0 VDC 3.3VDC 0 mA 500 mA 60 mA 458 mA 72 SA
EC2SA-05S05 4.5-9.0 VDC 5VDC 0 mA 400 mA 60 mA 526 mA 76 SA
EC2SA-05S12 4.5-9.0 VDC 12VDC 0 mA 167 mA 60 mA 507 mA 79 SA
EC2SA-05S15 4.5-9.0 VDC 15VDC 0 mA 134 mA 60 mA 503 mA 80 SA
EC2SA-05D05 4.5-9.0 VDC ±5VDC ±0 mA ±200 mA 60 mA 526 mA 76 SA
EC2SA-05D12 4.5-9.0 VDC ±12VDC ±0 mA ±83 mA 60 mA 498 mA 80 SA
EC2SA-05D15 4.5-9.0 VDC ±15VDC ±0 mA ±67 mA 60 mA 503 mA 80 SA
EC2SA-12S33 9-18 VDC 3.3VDC 0 mA 500 mA 30 mA 186 mA 74 SA
EC2SA-12S05 9-18 VDC 5VDC 0 mA 400 mA 30 mA 214 mA 78 SA
EC2SA-12S12 9-18 VDC 12VDC 0 mA 167 mA 30 mA 206 mA 81 SA
EC2SA-12S15 9-18 VDC 15VDC 0 mA 134 mA 30 mA 204 mA 82 SA
EC2SA-12D05 9-18 VDC ±5VDC ±0 mA ±200 mA 30 mA 208 mA 80 SA
EC2SA-12D12 9-18 VDC ±12VDC ±0 mA ±83 mA 30 mA 202 mA 82 SA
EC2SA-12D15 9-18 VDC ±15VDC ±0 mA ±67 mA 30 mA 204 mA 82 SA
EC2SA-24S33 18-36 VDC 3.3VDC 0 mA 500 mA 18 mA 90 mA 76 SA
EC2SA-24S05 18-36 VDC 5VDC 0 mA 400 mA 18 mA 107 mA 78 SA
EC2SA-24S12 18-36 VDC 12VDC 0 mA 167 mA 18 mA 103 mA 81 SA
EC2SA-24S15 18-36 VDC 15VDC 0 mA 134 mA 18 mA 102 mA 82 SA
EC2SA-24D05 18-36 VDC ±5VDC ±0 mA ±200 mA 18 mA 107 mA 78 SA
EC2SA-24D12 18-36 VDC ±12VDC ±0 mA ±83 mA 18 mA 102 mA 81 SA
EC2SA-24D15 18-36 VDC ±15VDC ±0 mA ±67 mA 18 mA 102 mA 82 SA
EC2SA-48S33 36-75 VDC 3.3VDC 0 mA 500 mA 9 mA 46 mA 74 SA
EC2SA-48S05 36-75 VDC 5VDC 0 mA 400 mA 9 mA 53 mA 78 SA
EC2SA-48S12 36-75 VDC 12VDC 0 mA 167 mA 9 mA 51 mA 82 SA
EC2SA-48S15 36-75 VDC 15VDC 0 mA 134 mA 9 mA 50 mA 83 SA
EC2SA-48D05 36-75 VDC ±5VDC ±0 mA ±200 mA 9 mA 53 mA 78 SA
EC2SA-48D12 36-75 VDC ±12VDC ±0 mA ±83 mA 9 mA 50 mA 83 SA
EC2SA-48D15 36-75 VDC ±15VDC ±0 mA ±67 mA 9 mA 51 mA 82 SA
SPECIFIC
All Specifications Typical At Nominal Line, Ful
NPUT SPECIFICATIONS:
nput Voltage Range........……………..........….............5V................... 4.5-9V
12V.................. 9-18V
24V.................. 18-36V
48V……........... 36-75V
nput Filter ………………………………………………..……..……... Capacitive
Remote on/off control :
Module On…………………….< 1.2VDC orOpen Circuit
Module Off………………………..………..5.5…15VDC
Module Off （input idle current）……..…………………1mA max.
OUTPUT SPECIFICATIONS:
Voltage Accuracy ............................................………................. ±1.5% max.
Voltage Balance（Dual） …………………………………………….... ±1. max.
Cross regulation（Dual）（Note1）…Asymmetrical load 25%/......±5. max
ransient 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
ine Regulation（ note2 ） .…….………………….......................…. ±0.5% max.
oad Regulation（ note3 ） ……..………Single……..........…............ ±0.5% max.
Dual……...……………….. ±1. max.
Output Short Circuit Protection .........................................….…. Continuous
GENERAL SPECIFICATIONS:
Efficiency..............................................................…..……...See Table
Isolation Voltage ..........……………………....……..…. 1500VDC min.
Isolation Resistance .........................…...............……. 10^9 ohm min.
Switching Frequency ......................….............…….... 100KHz min.
Operating Ambient Temperature……………..…... -40℃ to +85℃
De-rating, Above 85℃ ………………… Linearly to Zero power at 100℃
Case Temperature （Note4）………………………………….. 100℃ max.
Cooling…………………………………….………….Natural Convection
Storage Temperature ………………....….......……........ -55℃ to +125℃
Dimensions …………..…0.86×0.36x0.44 inches（21.80x9.20×11.10 mm）
Case Material ……………………………… Non-Conductive Black Plastic
Weight…………………………………………….……………………...4.8g
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 1 Load
4. Maximum case temperature under any operating condition should
not be exceeded 100℃.
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