V10
1
︳
EC3A-E SERIES
3 WATT 2:1 INPUT RANGE
DC-DC CONVERTERS
FEATURES
* 3W 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
* No Tantalum Capacitor inside
* Wide Operating Temperature Range
* UL60950-1 Approval
NOTE:
1.
□
can be none, M, H, HM, S, MS, HS or HMS.
2. Nominal input voltage is 5, 12, 24 or 48VDC.
3. Typical value at nominal input voltage and full load.
INPUT CURRENT
MODEL
NUMBER
(1)
INPUT
VOLTAGE
(2)
OUTPUT
VOLTAGE
OUTPUT
CURRENT
NO LOAD FULL LOAD
% EFF.
(3)
CAPACITOR
LOAD MAX.
EC3A01
□
-E
4.5-9 VDC 5 VDC 600 mA 15 mA 779 mA 77 2200uF
EC3A02
□
-E
4.5-9 VDC 12 VDC 250 mA 15 mA 750 mA 80 2200uF
EC3A03
□
-E
4.5-9 VDC 15 VDC 200 mA 15 mA 750 mA 80 2200uF
EC3A04
□
-E
4.5-9 VDC ±5 VDC ±300 mA 25 mA 779 mA 77 1000uF
EC3A05
□
-E
4.5-9 VDC ±12 VDC ±125 mA 25 mA 750 mA 80 1000uF
EC3A06
□
-E
4.5-9 VDC ±15 VDC ±100 mA 25 mA 750 mA 80 1000uF
EC3A07
□
-E
4.5-9 VDC 3.3 VDC 600 mA 15 mA 550 mA 72 2200uF
EC3A11
□
-E
9-18 VDC 5 VDC 600 mA 7.5 mA 309 mA 81 2200uF
EC3A12
□
-E
9-18 VDC 12 VDC 250 mA 10 mA 298 mA 84 2200uF
EC3A13
□
-E
9-18 VDC 15 VDC 200 mA 10 mA 294 mA 85 2200uF
EC3A14
□
-E
9-18 VDC ±5 VDC ±300 mA 15 mA 305 mA 82 1000uF
EC3A15
□
-E
9-18 VDC ±12 VDC ±125 mA 12 mA 298 mA 84 1000uF
EC3A16
□
-E
9-18 VDC ±15 VDC ±100 mA 15 mA 294 mA 85 1000uF
EC3A17
□
-E
9-18 VDC 3.3 VDC 600 mA 7.5 mA 212 mA 78 2200uF
EC3A21
□
-E
18-36 VDC 5 VDC 600 mA 7.5 mA 152 mA 82 2200uF
EC3A22
□
-E
18-36 VDC 12 VDC 250 mA 7.5 mA 145 mA 86 2200uF
EC3A23
□
-E
18-36 VDC 15 VDC 200 mA 7.5 mA 145 mA 86 2200uF
EC3A24
□
-E
18-36 VDC ±5 VDC ±300 mA 7.5 mA 152 mA 82 1000uF
EC3A25
□
-E
18-36 VDC ±12 VDC ±125 mA 10 mA 147 mA 85 1000uF
EC3A26
□
-E
18-36 VDC ±15 VDC ±100 mA 10 mA 145 mA 86 1000uF
EC3A27
□
-E
18-36 VDC 3.3 VDC 600 mA 5 mA 106 mA 78 2200uF
EC3A31
□
-E
36-72 VDC 5 VDC 600 mA 3 mA 74 mA 84 2200uF
EC3A32
□
-E
36-72 VDC 12 VDC 250 mA 3 mA 73 mA 86 2200uF
EC3A33
□
-E
36-72 VDC 15 VDC 200 mA 5 mA 73 mA 86 2200uF
EC3A34
□
-E
36-72 VDC ±5 VDC ±300 mA 5 mA 74 mA 85 1000uF
EC3A35
□
-E
36-72 VDC ±12 VDC ±125 mA 5 mA 72 mA 87 1000uF
EC3A36
□
-E
36-72 VDC ±15 VDC ±100 mA 5 mA 72 mA 87 1000uF
EC3A37
□
-E
36-72 VDC 3.3 VDC 600 mA 3 mA 52 mA 79 2200uF
V10
2
SPECIFICATIONS
All Specifications Typical At Nominal Line, Full Load, and 25℃ Unless Otherwise Noted
INPUT SPECIFICATIONS: GENERAL SPECIFICATIONS:
Input Voltage Range ….………….......……....... 5V …………….............. 4.5-9V
Efficiency ….............................................................................. See Table
12V …..................... 9-18V
Isolation Voltage:
24V …..................... 18-36V
500 VDC min. ……………………….………………… Standard Models
48V …..................... 36-72V
3K VDC min. …… (Non-Conductive Black Plastic Only) ….. Suffix “H” Models
Input Surge Voltage (100ms max.) …….…… 5V ….………....... 10Vdc max.
1.5K VDC min. ………..…..……………………… Suffix “HM” Models
12V …................. 25Vdc max.
Isolation Resistance ….....................................................… 10
9
ohm min.
24V …................. 50Vdc max.
Isolation Capacitance ………………..…………………..…… 250pF Typ.
48V …............... 100Vdc max.
Switching Frequency …........................................................ 100KHz min.
Under Voltage Lockout ………...…… 5V Power Up ….…………........ 4.4V
dc
Operating Ambient Temperature Range …...................... -40℃ to +85℃
5V Power Down ………............ 4.2V
dc
De-rating, Above 85℃ …….………….. Linearly to Zero Power at 100℃
12V Power Up ….………...... 8.8Vdc
Case Temperature (note4) ……………………………….… 100℃ max.
12V Power Down ………..…..... 8Vdc
Cooling ……………………………………………….. Natural Convection
24V Power Up ….…………..... 17Vdc
Storage Temperature Range ………….……....……..... -40℃ to +100℃
24V Power Down …………….... 16Vdc
EMI ……………………….. Conductive EMI Meet EN55022 Class A
48V Power Up ….…………........ 34Vdc
Humidity .................................................. 95% RH max. Non condensing
48V Power Down ………........... 31Vdc
MTBF ………. MIL-STD-217F ..……..……………………… 2500Khrs typ.
Input Filter ………………………………………………….…………….. Pi Type
Dimensions …… DIP …..… 1.25×0.80x0.40 inches(31.8x20.3×10.2 mm)
OUTPUT SPECIFICATIONS:
MS/HMS Models …..… 1.25×0.80x0.45 inches(31.8x20.3×11.4 mm)
Voltage Accuracy …...................................................................... ±1.5% max.
S/HS Models …….…... 1.25×0.80x0.41 inches(31.8x20.3×10.4 mm)
Voltage Balance (Dual) …..............................................................
±1.0% max.
Case Material:
Temperature Coefficient ……………………..……………………… ±0.05%/℃
Standard Models …………………….… Non-Conductive Black Plastic
Ripple & Noise, 20MHz BW (note 5) …… 3.3V/5V ……… 100mV pk-pk, max.
Suffix “M” Models .. Black Coated Copper with Non-conductive Base
12V/15V ………… 1% pk-pk max.
Suffix “S” Models ………….……………….…………… SMD package
Short Circuit Protection ……………………………………………… Continuous
Weight ………………………………………………….……………… 12.5g
Line Regulation ………… Single/Dual (note1) …………………. ±0.5% max.
NOTE:
Load Regulation ……..… Single (note2) …………....…………. ±0.5% max.
1. Measured from high line to low line.
Dual (note3) ….….…….…………… ±1.0% max.
2. Measured from full load to 10% load.
Start up time …………………………………….………..….…..……10 ms max.
3. Measured from full load to 1/4 load.
4. Maximum case temperature under any operating condition should
not exceed 100℃.
5. The output noise is measured with 0.1uF MLCC across for SMD
package.
Case A Dimensions:
BOTTOM
VIEW
SEE NOTE
PIN CONNECTION
500 VDC 1.5K & 3K VDC
Pin Single Output Dual Output
1,24
2,23
3,22
10,15
11,14
12,13
+V Input
NC
NC
-V Output
+V Output
-V Input
+V Input
-V Output
-V Input
Common
Common
+V Output
* NP-NO PIN
* NC-NO CONNECTION WITH PIN
NOTE:Pin Size is 0.02 ±0.002 Inch (0.5±0.05 mm)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
9
4
20,21
CASE AS
TOP
VIEW
DIP SMD
NP NC
NP NC
NP NC
DIP SMD
Pin Single Output Dual Output
DIP SMD DIP SMD
NP NC
NP NC
NP NC
NC
NC -V Output
Common
-V Input -V Input
+V Output
+V Output
Common
-V Output
+V Input +V Input
1,24
2,3
10,15
11
12,13
14
9
22,23
16
4,5
20,21
NP NC NP NC
NP NC NP NC
NC NC
NP NC NP NC
NP NC NP NC
16 NP NC NP NC
5NP NC NP NC
*0.41(10.4) for S/HS Models
Figure1.Ty pical Derating curv e f or Natural Conv ection
100
85-40
0%
20%
40%
60%
80%
100%
120%
-40 -20 0 20 40 60 80 100
Ambient Temperature(
o
C)
LOAD(%)
Natural Convection
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Authorized Distributor
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Cincon:
EC3A01H-E EC3A02H-E EC3A04H-E EC3A05H-E EC3A07H-E EC3A11H-E EC3A12H-E EC3A14H-E
EC3A15H-E EC3A17H-E EC3A21H-E EC3A22H-E EC3A24H-E EC3A25H-E EC3A27H-E EC3A31H-E EC3A32H-
E EC3A34H-E EC3A37H-E
