-SENSE (5)
TRIM UP
TRIM (9)
TRIM DOWN
Single Output Dual Output
+SENSE (6)
10K Ohms
TRIMPOT
-VOUT (8)
TRIM UP
TRIM (9)
TRIM DOWN
COMMON (6)
10K Ohms
TRIMPOT
All Specifications Typical At Nominal Line, Full Load and 25˚C Unless Otherwise Noted.
(10.2)
0.40 (7.62)
0.300 (7.62)
0.300 (7.62)
0.300
(2.54)
0.100
(5.08)
0.200 (5.08)
0.200
B O T T O M V I E W
3 2 1
9 8 7 6 5 4
(10.16)
0.400
(50.8)
2.00
(22.9)
0.90
(1.02)DIA.
0.040
(5.08)
0.200
(10.2)
0.40
0.22 (5.6) min.
(50.8)
2.00
(45.72)
1.800
CASE C
All Specifications Typical At Nominal Line, Full Load and 25˚C Unless Otherwise Noted.
Specifications
INPUT SPECIFICATIONS:
Input Voltage Range......................12V..................................................9-18V
24V................................................18-36V
48V................................................36-75V
Under Voltage lockout...................12Vin Power Up...............................8.8V
12Vin Power Down..........................8.0V
24Vin Power Up................................17V
24Vin Power Down...........................16V
48Vin Power Up................................34V
48Vin Power Down..........................32V
Positive/Negative Logic Remote ON/OFF ( see note 5 & 6 )
Input Filter..............................................................................................Pi Type
OUTPUT SPECIFICATIONS:
Voltage Accuracy......................Single/Dual...............................±1.5% max.
Dual Positive.....................................3.3V±1.5% max., 5V±3% max.
Triple...........Main............±1.5% max., Auxiliary..............±5.0% max.
Voltage Balance (Dual)................................................................±2.0% max.
Transient Response:75%-100% Step Load Change (Main Output)
Error Band..............±5% Vout Nominal, Recovery Time......<300us
Output Voltage Adjustment Range...Single/Dual Vo±10%. Dual Positive ±5%
Ripple & Noise, 20MHz BW (Measured with 0.1uF MLCC)
2.5V & 3.3V & 5V...................................20mVRMS, 50mV pk-pk, max.
12V & 15V.............................................................75mV pk-pk, max.
Dual ±12V.......120mV pk-pk, max., ±15V........150mV pk-pk, max.
Dual Positive +3.3V /+5V………………………. 100mVpk-pk, max.
Temperature Coefficient...............................................................±0.02%/˚C
Line Regulation1........................Single/Dual................................± 0.5% max.
Triple...........Main............±1.0% max., Auxiliary..............±3.0% max.
Load Regulation2...............................Single................................ ± 0.5% max.
Dual................................... ±1.0% max.
Dual Positive3…............................…3.3V ±1.5% max., 5V±4% max.
Triple...........Main............±1.0% max., Auxiliary..............±4.0% max.
Cross Regulation4 ….…………....…...........+3.3V±1.0% max. +5V±4.0% max.
Over Voltage Protection (Zener Diode Clamp)........2.5V........3.6VDC Typ.
3.3V...........................3.9VDC Typ. , 5V.............. ..........6.2VDC Typ.
12V...........................15VDC Typ. , 15V.............. ............18VDC Typ.
Output Current Limit, % Nominal Output...................................110%~140%
Output Short Circuit Protection....................... Continuous (Hiccup Mode)
GENERAL SPECIFICATIONS:
Efficiency..........................................................................................See Table
Isolation Voltage.........................Input/Output......................1500VDC max.
Isolation Resistance....................................................................10
9
Ohm min.
Switching Frequency.............................................................350KHz, Typical
Operating Ambient Temperature........................................-40°C to + 85°C
De-rating, Above 60°C..............................Linearly to Zero Power at 100°C
Case Temperature6.......................................................................100˚C max.
Storage Temperature.......................................................... -55°C to + 125°C
Thermal Shutdown, Case Temperature.......................................110°C Typ.
Dimensions..........................2.00 x 2.00 x 0.40 inches(50.8 x 50.8 x 10.2mm)
Case Material.............Black Coated Copper with Non-Conductive Base
Weight..........................................................................................................65g
EC7C Series Derating Curve
-40 -20 0 40 60 8020 100
Output Load(%)
120%
100%
80%
60%
40%
20%
0%
Ambient Temperature(˚C)
Natural
Convection
100
60-40
All Dimensions In Inches(mm)
Tolerance Inches: x.xx= ±0.02, x.xxx= ±0.010
Millimeters: x.x= ±0.5, x.xx= ±0.25
Pin Diameter: 1.0 ± 0.05mm
EC7C
EC7C
40 WATT
DC-DC CONVERTERS
S E R I E S
NOTE : 1. Nominal Input Voltage 12, 24, 48 VDC.
2. The total power of EC7C-12D3305,EC7C-24D3305 and EC7C-48D3305 should not exceed 40W.
3. The efficiency is measured with rated load current (3.3V/6A , 5V/4A).
MODEL
NUMBER
EC7C-12S25
EC7C-12S33
EC7C-12S05
EC7C-12S12
EC7C-12S15
EC7C-12D12
EC7C-12D15
EC7C-12D3305
EC7C-12T3312
EC7C-12T3315
EC7C-12T0512
EC7C-12T0515
EC7C-24S25
EC7C-24S33
EC7C-24S05
EC7C-24S12
EC7C-24S15
EC7C-24D12
EC7C-24D15
EC7C-24D3305
EC7C-24T3312
EC7C-24T3315
EC7C-24T0512
EC7C-24T0515
EC7C-48S25
EC7C-48S33
EC7C-48S05
EC7C-48S12
EC7C-48S15
EC7C-48D12
EC7C-48D15
EC7C-48D3305
EC7C-48T3312
EC7C-48T3315
EC7C-48T0512
EC7C-48T0515
9-18 VDC
18-36 VDC
36-75 VDC
2.5 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
±12 VDC
±15 VDC
3.3V/5.0V
3.3/±12 V
3.3/±15 V
5.0/±12 V
5.0/±15 V
2.5 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
±12 VDC
±15 VDC
3.3V/5.0V
3.3/±12 V
3.3/±15 V
5.0/±12 V
5.0/±15 V
2.5 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
±12 VDC
±15 VDC
3.3V/5.0V
3.3/±12 V
3.3/±15 V
5.0/±12 V
5.0/±15 V
0mA
0mA
0mA
0mA
0mA
90mA
70mA
0mA
0.6A/±40mA
0.6A/±30mA
0.6A/±40mA
0.6A/±30mA
0mA
0mA
0mA
0mA
0mA
90mA
70mA
0mA
0.6A/±40mA
0.6A/±30mA
0.6A/±40mA
0.6A/±30mA
0mA
0mA
0mA
0mA
0mA
90mA
70mA
0mA
0.6A/±40mA
0.6A/±30mA
0.6A/±40mA
0.6A/±30mA
10000mA
10000mA
8000mA
3333mA
2666mA
±1800mA
±1400mA
10A/7.5A
6A/±0.4A
6A/±0.3A
6A/±0.4A
6A/±0.3A
10000mA
10000mA
8000mA
3333mA
2666mA
±1800mA
±1400mA
10A/7.5A
6A/±0.4A
6A/±0.3A
6A/±0.4A
6A/±0.3A
10000mA
10000mA
8000mA
3333mA
2666mA
±1800mA
±1400mA
10A/7.5A
6A/±0.4A
6A/±0.3A
6A/±0.4A
6A/±0.3A
200 mA
200 mA
200 mA
200 mA
200 mA
100 mA
100 mA
100 mA
200 mA
200 mA
200 mA
200 mA
100 mA
100 mA
110 mA
100 mA
100 mA
100 mA
100 mA
50 mA
100 mA
100 mA
100 mA
100 mA
50 mA
50 mA
60 mA
60 mA
60 mA
50 mA
50 mA
50 mA
50 mA
50 mA
50 mA
50 mA
2367 mA
3090 mA
3745 mA
3703 mA
3702 mA
4045 mA
3889 mA
3812 mA
2784 mA
2727 mA
3750 mA
3611 mA
1184 mA
1545 mA
1831 mA
1811 mA
1810 mA
1978 mA
1902 mA
1853 mA
1361 mA
1333 mA
1833 mA
1806 mA
585 mA
764 mA
926 mA
916 mA
906 mA
1000 mA
962 mA
927 mA
688 mA
690 mA
938 mA
903 mA
88
89
89
90
90
89
90
873
88
88
88
90
88
89
91
92
92
91
92
89.53
90
90
90
90
89
90
90
91
92
90
91
89.53
89
87
88
90
2" x 2"
2" x 2"
2" x 2"
% EFF. SIZE
INPUT
VOLTAGE
OUTPUT CURRENT INPUT CURRENT
NO LOAD FULL LOAD
MIN. MAX.
OUTPUT
VOLTAGE
NOTE:
1. Measured From High Line to Low Line(Dual positive at rated load).
2. Measured From Full Load to 10% Load.
3. Measured From Max. Load to Zero Load, other output at Zero Load.
4. Measured From Max. Load to 10% Load, other output at 10% Load.
5. Logic Compatibility …. CMOS or Open Collector TTL, ref. to –Vin
Module ON ……………… >3.5Vdc to 75Vdc or Open Circuit
Module OFF ………………. <1.8Vdc.
6. Suffix “N” to the Model Number with Negative Logic Remote ON/OFF
Module ON ………………… <1.8Vdc,
Module OFF ……………….. >3.5Vdc to 75Vdc or Open Circuit
7. If +/-Sense is not being used, the +Sense should be connected to
+Vout and likewise the –Sense should be connected to–Vout.
8. Maximum case temperature under any operating condition should
not exceed 100˚C.
PIN CONNECTION
Pin Single Dual Triple
1
2
3
4
5
6
7
8
9
+Vin
-Vin
ON / OFF
NC
-Sense
+Sense
+Vout
-Vout
Trim
+Vin
-Vin
ON / OFF
NO Pin
+Vout
Common
Common
-Vout
Trim
+Vin
-Vin
ON / OFF
+Aux. Out
Common
-Aux. Out
+Vout
-Vout (Common)
NC
*NC: No Connection With Pin
External Output Trimming
• 40W Isolated Output
• 2" x 2" Six-Sided Shield Metal Case
• Regulated Outputs
• Efficiency to 92%
Features
• Fixed 350KHz Switching Frequency
• Continuous Short Circuit Protection
• External Output Trimming Function
+Vin
-Vin
ON / OFF
+3.3Vout
Com(3.3V RTN)
Trim
NC
+5Vout
Com(5V RTN)
Dual Positive
NEW
NEW
NEW