16
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EC4A01
EC4A02
EC4A03
EC4A04
EC4A05
EC4A06
EC4A07
EC4A11
EC4A12
EC4A13
EC4A14
EC4A15
EC4A16
EC4A17
EC4A21
EC4A22
EC4A23
EC4A24
EC4A25
EC4A26
EC4A27
Specifications
INPUT SPECIFICATIONS:
Input Voltage Range........................................................................................................................................12V....................................................................9-18V
24V..................................................................18-36V
48V..................................................................36-72V
Input Filter...................................................................................................................................................................................................................................Pi Type
OUTPUT SPECIFICATIONS:
Voltage Accuracy.............................................................................................................................................................................................................±2. max.
Voltage Balance （Dual）...................................................................................................................................................................................................±1./ max.
Temperature Coefficient.....................................................................................................................................................................................................±0.05%/?C
Ripple and Noise, 20MHz BW.....................................................................................................................3.3V/5V.................................................100mV p-p max.
12V/15V........................................................1% p-p max.
Short Circuit Protection......................................................................................................................................................................................................Continuous
Line Regulation, Single/Dual
1
....................................................................................................................................................................................................± 0.5%
Load Regulation, Single2
............................................................................................................................................................................................................± 0.5%
Dual
3
............................................................................................................................................................................................................± 1.
GENERAL SPECIFICATIONS:
Efficiency................................................................................................................................................................................................................................See Table
Isolation Resistance.................................................................................................................................................................................................................109
ohms
Switching Frequency.........................................................................................................................................................................................................100KHz, min
Operating Temperature Range.................................................................................................................................................................................-25°C to + 71°C
Case Temperature （Plastic case）......................................................................................................................................................................................95?C max.
（Copper case）...............................................................................................................................................................................100?C max.
Cooling..................................................................................................................................................................................................................Free-Air Convection
Storage Temperature Range...................................................................................................................................................................................-40°C to + 100°C
Dimensions.........................................................................................................................................................................................................1.25 x 0.8 x 0.4 inches
（31.8 x 20.3 x 10.2mm）
EC4A
NOTE:
1. Measured From High Line to Low Line 2. Measured From Full Load to 1 Load
3. Measured From Full Load to 1/4 Load 4. Non-Conductive Black Plastic Only
5. Suffix "HM" 1.5K VDC Instead of 3K VDC Isolation
ISOLATION VOLTAGE:
500 VDC min.............................................................................................................................................................................................................Standard Models
3K VDC min4
...............................................................................................................................................................................................................Suffix "H" Models
CASE MATERIAL:
Standard Models ..............................................................................................................................................................................Non-Conductive Black Plastic
Suffix "M" Models5
....................................................................................................................................................................................Black Coated Copper with
Non-Conductive Base