V13
EC1SC SERIES
20 WATT 4:1 INPUT RANGE
DC-DC CONVERTERS
FEATURES
* 20W Isolated Output
* 2 X 1.6 Six-Sided Shield Metal Case
* Efficiency to 84%
* 4:1 Input Range
* Pi Input Filter
* Continuous Short Circuit Protection
* Meets EN55022 Class A, Conducted
* Remote On/Off Control
* CE Mark Meets 2004/108/EC
* UL60950-1 Approval
INPUT CURRENT
MODEL INPUT OUTPUT % Capacitor
OUTPUT
NUMBER VOLTAGE VOLTAGE CURRENT EFF. Load max.
NO LOAD FULL LOAD
EC1SC01 9-36 VDC 5VDC 4000 mA 15 mA 1029 mA 81 4000uF
EC1SC02 9-36 VDC 12VDC 1670 mA 15 mA 1006 mA 83 1670uF
EC1SC03 9-36 VDC 15VDC 1330 mA 15 mA 1004 mA 83 1330uF
EC1SC04 20 mA
9-36 VDC 12VDC 833 mA 1004 mA 83 833uF
EC1SC05 9-36 VDC 15VDC 666 mA 20 mA 1004 mA 83 666uF
EC1SC06 9-36 VDC 5VDC 2000 mA 20 mA 1004 mA 83 2000uF
EC1SC07
9-36 VDC 3.3VDC 4000 mA 15 mA 705 mA 78 4000uF
EC1SC11 18-72 VDC 5VDC 4000 mA 10 mA 508 mA 82 4000uF
EC1SC12 18-72 VDC 12VDC 1670 mA 10 mA 497 mA 84 1670uF
EC1SC13
18-72 VDC 15VDC 1330 mA 10 mA 496 mA 84 1330uF
EC1SC14 18-72 VDC 12VDC 833 mA 496 mA 84 833uF
15 mA
EC1SC15 18-72 VDC 15VDC 666 mA 496 mA 84 666uF
15 mA
EC1SC16 18-72 VDC 5VDC 2000 mA 15 mA 496 mA 84 2000uF
EC1SC17 18-72 VDC 3.3VDC 4000 mA 10 mA 78 4000uF
353 mA
NOTE: 1. Nominal Input Voltage 24 or 48VDC
1 V13
SPECIFICATIONS
All Specifications Typical At Nominal Line, Full Load, and 25 Unless Otherwise Noted
INPUT SPECIFICATIONS: GENERAL SPECIFICATIONS:
Input Voltage Range ......... 24V ....... 9-36V Efficiency ................................................................................. See Table
48V .. 18-72V I s o la t io n V o l tage ............................................................ 1500 VDC min
8
Input Surge Voltage (100ms max.) .. 24V ............. 50Vdc max. I s o la t io n R e s is t a n c e . ............................................... 10 ohms
48V ............... 100Vdc max. Isolation Capacitance .... 1000pF Typ.
Input Filter ...... Pi Type Switching Frequency ...................................................... 300KHz Typ.
Positive Logic Remote ON/OFF /Control .. See Note3 Operating Ambient Temperature Range ..................... 25 to +71
De-rating, Above 60 Linearly to Zero power at +100
OUTPUT SPECIFICATIONS:
Voltage Accuracy
Case Temperature(note 4) ......................................... 100 max.
Single Output ..... 1.0% max. Storage Temperature Range .......... 55 to +105
Dual +Output .. 1.0% max. Humidity .................................................. 95% RH max. Non condensing
Dual Output .. 2.0% max.
MTBF . MIL-STD-217F, GB, 25 , Full Load 1500KHrs Typ.
Voltage Balance, Dual Output at Full Load 1.0% max. EMI/RFI . Six Sided Continuous Shield
Transient Response Dimensions 2.001.600.45 inches (50.840.611.4mm)
Single 25% Step Load Change ..<500u sec. Case Material . Black Coated Copper with Non-Conductive Base
Dual FL-1/2L1% Error Band .... <500u sec. Weight ..... 53g
External Trim Adj, Range . 10%
NOTE:
Ripple & Noise, 20MHz BW ...... 20mV RMS, max. 1. Measured From High Line to Low Line
75mV p-p max. 2. Measured From Full Load to 1/4 Load
3. Remote On/Off Control:
Temperature Coefficient ........ 0.02%/ C max.
Short Circuit Protection ... Continuous Logic Compatibility ... CMOS or Open Collector TTL
Line Regulation (note 1) ................................................. 0.5% max. EC-ON ... >+5.5VDC to 75VDC or Open Circuit
EC-OFF .... <1.8 VDC
Load Regulation (note 2)................................................ 0.5% max.
Start up time ...... 270ms Typ. Control Common..Referenced to Input Minus
4. Maximum case temperature under any operating condition should
not be exceeded 100
Typical Derating curve for Natural Convection
120%
60
-25
100%
80%
60%
Natural
40%
Convection
20%
100
0%
-25 0 25 50 75 100
o
Case SC Dimensions:
Ambient Temperature( C)
CASE SC
All Dimensions In Inches(mm)
Tolerances Inches: X.XX= 0.04 , X.XXX= 0.010
Millimeters: X.X= 1.0 , X.XX=0.25
8 7 6 5 PIN CONNECTIONS
Single Dual
Pin
Output Output
1
On/Off Control On/Off Control
3 -Vin -Vin
BOTTOM VIEW
4 +Vin +Vin
5 Trim Trim
6 -Vout -Vout
+Vout Common
7
4 3 1
8 No Pin +Vout
2
DIA
LOAD(%)