︳
FEATURES
EC4A SERIES
5-6 WATT 2:1 INPUT RANGE
DC-DC CONVERTERS
* 5-6W Isolated Output
* 24-Pin DIP Package
* Efficiency to 87%
* 2:1 Input Range
* Regulated Outputs
* Pi Input Filter
* Continuous Short Circuit Protection
* Meet EMI EN55022 class A (“-E” model)
* No Tantalum Capacitor inside (“-E” model)
* Wide Operating Temperature Range (“-E” model)
* UL60950-1 Approval for H/HM Versions only and “-E” Model
MODEL
INPUT
OUTPUT
(1)
(2)
NUMBER VOLTAGE VOLTAGE
OUTPUT
CURRENT
“-E”
INPUT CURRENT
NO LOAD
“-E”
FULL LOAD
“-E”
% EFF.
(3)
CAPACITOR
LOAD MAX.
“-E”
EC4A01
EC4A02
EC4A03
EC4A04
EC4A05
EC4A06
EC4A07
EC4A11
EC4A12
EC4A13
EC4A14
EC4A15
EC4A16
EC4A17
EC4A21
EC4A22
EC4A23
EC4A24
EC4A25
EC4A26
EC4A27
NOTE:
9-18 VDC
9-18 VDC
9-18 VDC
5 VDC 1000 mA 1000 mA 7.5 mA 7.5 mA 541 mA 514 mA 77
12 VDC
15 VDC
470 mA
400 mA
500 mA 7.5 mA 10 mA 573 mA 595 mA 82
400 mA 7.5 mA 15 mA 625 mA 588 mA 80
81
84
85
85
85
81
77
83
86
87
86
87
82
79
83
87
87
87
87
83
79
4700uF
4700uF
4700uF
2200uF
2200uF
2200uF
4700uF
4700uF
4700uF
4700uF
2200uF
2200uF
2200uF
4700uF
4700uF
4700uF
4700uF
2200uF
2200uF
2200uF
4700uF
9-18 VDC ±12 VDC ±230 mA ±250 mA 12 mA 12 mA 554 mA 588 mA 83
9-18 VDC ±15 VDC ±190 mA ±200 mA 12 mA 18 mA 556 mA 588 mA 81
9-18 VDC
9-18 VDC
18-36 VDC
18-36 VDC
18-36 VDC
±5 VDC ±500 mA ±500 mA 12 mA 12 mA 541 mA 514 mA 77
3.3 VDC 1000 mA 1200 mA 7.5 mA 7.5 mA 382 mA 429 mA 72
5 VDC 1000 mA 1000 mA
12 VDC
15 VDC
470 mA
400 mA
500 mA
400 mA
5 mA
5 mA
5 mA
5 mA 260 mA 251 mA 80
8 mA 280 mA 291 mA 84
8 mA 298 mA 287 mA 84
8 mA 280 mA 291 mA 82
8 mA 260 mA 254 mA 80
5 mA 186 mA 209 mA 74
3 mA 132 mA 126 mA 79
6 mA 142 mA 144 mA 83
6 mA 154 mA 144 mA 81
6 mA 142 mA 144 mA 81
6 mA 147 mA 144 mA 81
5 mA 130 mA 126 mA 80
2 mA
93 mA 104 mA 74
18-36 VDC ±12 VDC ±230 mA ±250 mA 7.5 mA
18-36 VDC
18-36 VDC
36-72 VDC
36-72 VDC
36-72 VDC
±5 VDC ±500 mA ±500 mA 7.5 mA
3.3 VDC 1000 mA 1200 mA
5 VDC 1000 mA 1000 mA
12 VDC
15 VDC
470 mA
400 mA
500 mA
400 mA
5 mA
2 mA
2 mA
2 mA
3 mA
3 mA
3 mA
2 mA
18-36 VDC ±15 VDC ±190 mA ±200 mA 7.5 mA 10 mA 293 mA 287 mA 81
36-72 VDC ±12 VDC ±230 mA ±250 mA
36-72 VDC ±15 VDC ±190 mA ±200 mA
36-72 VDC
36-72 VDC
±5 VDC ±500 mA ±500 mA
3.3 VDC 1000 mA 1200 mA
1. Suffix “-E” of the models are high efficiency and wide operating temperature version.
2. Nominal Input Voltage is 12, 24 or 48 VDC.
3. Typical value at nominal input voltage and full load.
1
SPECIFICATIONS
All Specifications Typical At Nominal Line, Full Load, and 25℃ Unless Otherwise Noted
INPUT SPECIFICATIONS:
Input Voltage Range ....…………..........….... 12V .............................. 9-18V
24V ............................ 18-36V
48V ............................ 36-72V
Input Surge Voltage (100ms max.) ………… 12V …….….......... 25Vdc max.
24V ....................... 50Vdc max.
48V ..................... 100Vdc max.
Input Filter ………………………………………………….…….……..... Pi Type
GENERAL SPECIFICATIONS:
Efficiency ................................................................................. See Table
Isolation Voltage:
500 VDC min. ………….…………………………… Standard Models
3K VDC min. ... (Non-Conductive Black Plastic Only) …… Suffix “H” Models
1.5K VDC min. ………….………………………… Suffix “HM” Models
9
Isolation Resistance .....................................................…… 10 ohm min.
Isolation Capacitance…………………..…………………… 250pF Typ.
Switching Frequency ...................................................... 100KHz, min.
Operating Ambient Temperature Range .......................... -25℃ to +71℃
“-E” models: -40℃ to +85℃ with Derating
Power de-rating Curve ……………………………………….. see Figure1
Case Temperature (Note 4) … Plastic/Copper case... 95℃/100℃ max.
Cooling ……………………………………………….. Natural Convection
Storage Temperature Range ………....….......……........ -40℃ to +100℃
Humidity .................................................. 95% RH max. Non condensing
MTBF ………. MIL-STD-217F ..……..……………………… 2000Khrs typ.
“-E” models: 1800Khrs typ.
Dimensions …….. DIP…..… 1.25×0.80x0.40 inches(31.8x20.3×10.2mm)
SMD ..… 1.25×0.80x0.45 inches(31.8x20.3×11.4mm)
S/HS Models (note 6) … 1.25×0.80x0.41 inches(31.8x20.3×10.4mm)
Case Material:
Standard Models ………….…………… Non-Conductive Black Plastic
Suffix “M” Models .. Black Coated Copper with Non-conductive Base
Suffix “S” Models …….……………………..…………… SMD package
Weight …………………………………………………………………... 12.5g
Figure1.Typical Derating curve for Natural Convection
OUTPUT SPECIFICATIONS:
Voltage Accuracy .......................................................................... ±2.0% max.
Voltage Balance (Dual) .................................................................. ±1.0% max.
Temperature Coefficient …………………………………………… ±0.05%/℃
Ripple & Noise, 20MHz BW (Note 5) ……. 3.3V/5V ….…… 100mV p-p, max
12V/15V ………… 1% p-p max.
Short Circuit Protection ……………………………………………… Continuous
Line Regulation ……...… Single/Dual (Note 1) ….……………. ±0.5% max.
Load Regulation …….… Single (Note 2) ..….…......……….... ±0.5% max.
Dual (Note 3) ……….…………………±1.0% max.
Start up time …………………………………….………………..…... 5 ms max.
NOTE:
1. Measured From High Line to Low Line
2. Measured From Full Load to 10% Load
3. Measured From Full Load to 1/4 Load
4. Maximum case temperature under any operating condition should
not exceed 95℃(Plastic Case),100℃(Copper Case)
5. The output noise is measured with 0.1uF MLCC across for SMD package
6. S and HS models for “E” Version Only
120%
100%
LOAD(%)
80%
60%
40%
20%
- 40
-40
71
80
Case A Dimensions:
NOTE:Pin Size is 0.02 ±0.002Inch (0.5±0.05mm)DIA
All Dimensions In Inches (mm)
Tolerances
Inches: X.XX= ±0.02 , X.XXX= ±0.010
Millimeters: X.X= ±0.5 , X.XX=±0.25
Plastic Case
Copper Case
-E Version
100
0%
-40
-20
0
20
40
60
o
Ambient Temperature( C)
PIN CONNECTION
80
100
CASE AS
SEE NOTE
500 VDC
Pin
Single Output
DIP
SMD
+V Input
NC
NC
NP
NP
NP
NC
NC
NC
Dual Output
DIP
SMD
+V Input
-V Output
Common
NP
NP
NP
NC
NC
NC
Pin
1,24
2,3
4,5
9
10,15
11
12,13
14
16
20,21
22,23
NP
1.5K & 3K VDC
Single Output
DIP
NP
SMD
NC
Dual Output
DIP
NP
SMD
NC
TOP
BOTTOM
VIEW
1,24
2,23
3,22
4
5
9
10,15
11,14
12,13
16
20,21
VIEW
-V Input
NP
NC
NC
NC
NC
NC
-V Input
NP
NC
Common
NC
-V Output
NP
NC
-V Output
+V Output
-V Input
NP
NP
NC
NC
Common
+V Output
-V Input
NP
NP
NC
NC
+V Output
-V Output
NP
NC
+V Output
Common
NP
NC
+V Input
+V Input
*0.41(10.4)mm for "-E" Version S/HS Models
* NP-NO PIN
* NC-NO CONNECTION WITH PIN
2
Mouser Electronics
Authorized Distributor
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Cincon
:
EC4A02H EC4A26H EC4A05H EC4A01 EC4A02 EC4A03 EC4A04 EC4A05 EC4A06 EC4A07 EC4A11
EC4A12 EC4A13 EC4A14 EC4A15 EC4A16 EC4A17 EC4A21 EC4A22 EC4A23 EC4A24 EC4A25 EC4A26
EC4A27 EC4A03HM EC4A05HM EC4A02M EC4A25M EC4A22HM EC4A17M EC4A24HM EC4A15M
EC4A02HM EC4A17HM EC4A03M EC4A16HM EC4A27HM EC4A27M EC4A13HM EC4A06HM EC4A04M
EC4A14M EC4A22M EC4A16M EC4A14HMS EC4A03MS EC4A02MS EC4A25MS EC4A14MS EC4A22MS
EC4A17MS EC4A16MS EC4A11MS EC4A05MS EC4A15MS EC4A07MS EC4A27MS EC4A24MS EC4A12MS
EC4A26MS EC4A21MS EC4A01MS EC4A04MS EC4A13MS EC4A23MS EC4A06MS EC4A01H-E EC4A02H-E
EC4A04H-E EC4A06H-E EC4A07H-E EC4A11H-E EC4A12H-E EC4A14H-E EC4A16H-E EC4A17H-E EC4A21H-
E EC4A22H-E EC4A24H-E EC4A26H-E EC4A27H-E EC4A01H EC4A03H EC4A07H EC4A11H EC4A12H
EC4A13H EC4A17H EC4A21H EC4A22H EC4A23H EC4A27H EC4A04H EC4A06H EC4A14H EC4A15H
EC4A16H EC4A24H EC4A25H EC4A21HM
