All Specifications Typical At Nominal Line, Full Load and 25˚C Unless Otherwise Noted.
V I E W
T O P
24 23 22 21 20 16 15 14 13
9 10 11 12
1 2 3 4 5
0.08
(2.0)
0.100
(2.54)
1.25
(31.8)
0.02
(0.5)
0.04
(1.0)
1.00
(25.4)
0.80
(20.3)
0.43
(10.9)
0.45
(11.4)
0.200
(5.08) 0.18
(4.5)
0.15
(3.8)
SEE NOTE
0.600
(15.24)
0.80
(20.3) 0.40
(10.2)
1.25
(31.8)
B O T T O M
V I E W
23
22
16
14
2
3
9
11
CASE A
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............................8V
24Vin Power Up...............................17V
24Vin Power Down..........................16V
48Vin Power Up................................34V
48Vin Power Down..........................32V
Input Filter..............................................................................................Pi Type
OUTPUT SPECIFICATIONS:
Voltage Accuracy.........................................................................±1.5% max.
Voltage Balance (Dual)................................................................±2.0% max.
Transient Response:75%-100% Step Load Change
Error Band..........................................±5% Vout Nominal
Recovery Time.....................................................< 300us
Ripple and Noise, 20MHz BW.....Single............................ 75mV pk-pk, max.
Dual.............................100mV pk-pk, max.
Temperature Coefficient...............................................................±0.05%/˚C
Line Regulation1..........................Single....................................... ± 0.2% max.
Dual.........................................± 0.5% max.
Load Regulation2........................Single.....DIP±0.5% max. ,SMD± 1.0% max.
Dual.........................................± 1.0% max.
Output Short Circuit Protection..................................................Continuous
Over Voltage Protection (Zener Diode Clamp, Single Output Only)
2.5V, 3.3V.............. .. ............................................. 3.9VDC Typ.
5V.......................6.2VDC Typ. , 12V.............. .... 15VDC Typ.
15V............................................... .........................18VDC Typ.
GENERAL SPECIFICATIONS:
Efficiency..........................................................................................See Table
Isolation Voltage.........................Input/Output.......................1500VDC min.
Isolation Resistance....................................................................10
9
Ohm min.
Switching Frequency.............................................................380KHz, Typical
Operating Ambient Temperature........................................-40°C to + 85°C
De-rating, Above 71°C..............................Linearly to Zero Power at 100°C
Case Temperature4……………..............…………………….......... 100˚C max
Cooling……………………………………………………...Natural Convection
Storage Temperature.......................................................... -40°C to + 125°C
Dimensions.......DIP..............1.25 x 0.80 x 0.40 inches(31.8 x 20.3 x 10.2mm)
SMD...........1.25 x 0.80 x 0.45 inches(31.8 x 20.3 x 11.4mm)
Case Material.............Black Coated Copper with Non-Conductive Base
Weight.......................................................................................................18.4g
NOTE:
1. Measured From High Line to Low Line
2. Measured From Full Load to 10% Load
3. Suffix “S” to the Model Number with SMD packages
4. Maximum case temperature under any operating condition should
not exceed 100˚C.
EC7A Series Derating Curve
-40 -20 0 40 60 8020 100
Output Load(%)
120%
100%
80%
60%
40%
20%
0%
Ambient Temperature(˚C)
Vo=3.3V
Others
-40 71
100
EC7A
E176177
®
US
EC7A
10 WATT
DC-DC CONVERTERS
S E R I E S
MODEL
NUMBER
EC7A-12S25
EC7A-12S33
EC7A-12S05
EC7A-12S12
EC7A-12S15
EC7A-12D12
EC7A-12D15
EC7A-24S25
EC7A-24S33
EC7A-24S05
EC7A-24S12
EC7A-24S15
EC7A-24D12
EC7A-24D15
EC7A-48S25
EC7A-48S33
EC7A-48S05
EC7A-48S12
EC7A-48S15
EC7A-48D12
EC7A-48D15
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
2.5 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
±12 VDC
±15 VDC5
2.5 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
±12 VDC
±15 VDC
0 mA
0 mA
0 mA
0 mA
0 mA
42 mA
33 mA
0 mA
0 mA
0 mA
0 mA
0 mA
42 mA
33 mA
0 mA
0 mA
0 mA
0 mA
0 mA
42 mA
33 mA
3000 mA
3000 mA
2000 mA
835 mA
666 mA
±416 mA
±333 mA
3000 mA
3000 mA
2000 mA
835 mA
666 mA
±416 mA
±333 mA
3000 mA
3000 mA
2000 mA
835 mA
666 mA
±416 mA
±333 mA
40 mA
50 mA
60 mA
40 mA
40 mA
30 mA
30 mA
30 mA
30 mA
30 mA
30 mA
30 mA
20 mA
20 mA
15 mA
15 mA
15 mA
15 mA
15 mA
10 mA
10 mA
735 mA
971 mA
947 mA
949 mA
946 mA
956 mA
968 mA
368 mA
480 mA
473 mA
469 mA
473 mA
467 mA
478 mA
184 mA
243 mA
237 mA
235 mA
237 mA
236 mA
242 mA
85
85
88
88
88
87
86
85
86
88
89
88
89
87
85
85
88
89
88
88
86
DIP-24
DIP-24
DIP-24
% EFF. CASE
INPUT
VOLTAGE
OUTPUT CURRENT INPUT CURRENT
NO LOAD FULL LOAD
MIN. MAX.
OUTPUT
VOLTAGE
NOTE: 1. Nominal Input Voltage 12, 24 or 48 VDC
*NP-NO PIN
*NC-NO CONNECTION WITH PIN
PIN CONNECTION
Pin Single Output
DIP SMD DIP SMD
Dual Output
1, 24
2, 3
4,5
9
10
11
12
13
14
15
16
20, 21
22, 23
NP
NP
NP
NP
NP
NP
NP
NP
NC
NC
NC
NC
NC
+V Output
-V Output
NC
NP
NP
NP
NP
NP
NP
NC
NC
NC
NC
NC
NC
-V Input
NC
+V Output
-V Output
+V Input
-V Input
Common
NC
-V Output
+V Output
Common
+V Input
NOTE:Pin Size is 0.02” Inch (0.5mm) DIA
All Dimensions In Inches(mm)
Tolerance Inches: x.xx= ±0.02, x.xxx= ±0.010
Millimeters: x.x= ±0.5, x.xx= ±0.25
• 10W Isolated Output
• DIP-24 / SMD Package
• Regulated Outputs
Features
• Efficiency to 89%
• Pi Input Filter
• Continuous Short Circuit Protection
