V10
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
INPUT CURRENT
MODEL INPUT OUTPUT OUTPUT CAPACITOR
(3)
% EFF.
(1) (2)
NUMBER VOLTAGE VOLTAGE CURRENT LOAD MAX.
NO LOAD FULL LOAD
EC3A01-E 5 VDC 600 mA
4.5-9 VDC 15 mA 779 mA 77 2200uF
EC3A02-E 12 VDC 250 mA
80
4.5-9 VDC 15 mA 750 mA 2200uF
EC3A03 -E 4.5-9 VDC 15 VDC 200 mA
80
15 mA 750 mA 2200uF
EC3A04-E 5 VDC 300 mA
77
4.5-9 VDC 25 mA 779 mA 1000uF
EC3A05-E 12 VDC 125 mA
4.5-9 VDC 25 mA 750 mA 80
1000uF
EC3A06 -E 15 VDC 100 mA
25 mA 750 mA 80
4.5-9 VDC 1000uF
EC3A07-E 3.3 VDC 600 mA
4.5-9 VDC 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
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.
1 V10
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
9
12V ................. 25Vdc max. Isolation Resistance ..................................................... 10 ohm min.
24V ................. 50Vdc max. Isolation Capacitance .... 250pF Typ.
48V ............... 100Vdc max. Switching Frequency ........................................................ 100KHz min.
Under Voltage Lockout ... 5V Power Up ......... 4.4Vdc
Operating Ambient Temperature Range ...................... -40 to +85
5V Power Down ............ 4.2Vdc 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 .. 1.250.80x0.40 inches(31.8x20.310.2 mm)
MS/HMS Models .. 1.250.80x0.45 inches(31.8x20.311.4 mm)
OUTPUT SPECIFICATIONS:
Voltage Accuracy ...................................................................... 1.5% max. S/HS Models .... 1.250.80x0.41 inches(31.8x20.310.4 mm)
Voltage Balance (Dual) .............................................................. 1.0% max. Case Material:
Standard Models . Non-Conductive Black Plastic
Temperature Coefficient .. 0.05%/
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.
2. Measured from full load to 10% load.
Dual (note3) ... 1.0% max.
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.
Figure1.Ty pical Derating curv e f or Natural Conv ection
120%
-40 85
100%
80%
Natural Convection
60%
Case A Dimensions:
40%
NOTE:Pin Size is 0.02 0.002 Inch (0.50.05 mm)DIA
20%
All Dimensions In Inches (mm)
100
Tolerances Inches: X.XX= 0.02 , X.XXX= 0.010
0%
Millimeters: X.X= 0.5 , X.XX=0.25
-40 -20 0 20 40 60 80 100
o
Ambient Temperature( C)
CASE AS
PIN CONNECTION
500 VDC 1.5K & 3K VDC
SEE NOTE
Single Output Dual Output Single Output Dual Output
Pin Pin
DIP SMD DIP SMD DIP SMD DIP SMD
+V Input
TOP 1,24 +V Input 1,24 NP NC NP NC
2,23 NC -V Output 2,3 -V Input -V Input
VIEW
BOTTOM
VIEW
NC Common NP NP
3,22 4,5 NC NC
NP NP
4 NC NC 9 NC Common
NP NP 10,15
5 NC NC NC NC
9 NP NP 11
NC NC NC -V Output
10,15 -V Output 12,13
Common NP NC NP NC
11,14 +V Output +V Output 14 +V Output +V Output
12,13 -V Input -V Input 16 -V Output Common
16 NP NC NP NC 20,21 NP NC NP NC
20,21 NP NC NP NC 22,23 +V Input +V Input
*0.41(10.4) for S/HS Models
* NP-NO PIN
* NC-NO CONNECTION WITH PIN
2
LOAD(%)