V10
EC4A-E SERIES
5-6 WATT 2:1 INPUT RANGE
DC-DC CONVERTERS
FEATURES
* 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
* 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
EC4A01-E 9-18 VDC 5 VDC 1000 mA 7.5 mA 514 mA 81 4700uF
EC4A02-E 9-18 VDC 12 VDC 500 mA 10 mA 595 mA 84
4700uF
EC4A03-E 9-18 VDC 15 VDC 400 mA 15 mA 588 mA 85
4700uF
EC4A04-E 9-18 VDC 12 VDC 250 mA 12 mA 588 mA 85
2200uF
EC4A05-E 9-18 VDC 15 VDC 200 mA 18 mA 588 mA 85
2200uF
EC4A06-E 9-18 VDC 5 VDC 500 mA 12 mA 514 mA 81
2200uF
EC4A07-E 9-18 VDC 3.3 VDC 1200 mA 7.5 mA 429 mA 77
4700uF
EC4A11-E 18-36 VDC 5 VDC 1000 mA 5 mA 251 mA 83 4700uF
EC4A12-E 18-36 VDC 12 VDC 500 mA 8 mA 291 mA 86
4700uF
EC4A13-E 18-36 VDC 15 VDC 400 mA 8 mA 287 mA 87
4700uF
EC4A14-E 18-36 VDC 12 VDC 250 mA 8 mA 291 mA 86
2200uF
EC4A15-E 18-36 VDC 15 VDC 200 mA 10 mA 287 mA 87
2200uF
EC4A16-E 18-36 VDC 5 VDC 500 mA 8 mA 254 mA 82
2200uF
EC4A17-E 18-36 VDC 3.3 VDC 1200 mA 5 mA 209 mA 79
4700uF
EC4A21-E 36-72 VDC 5 VDC 1000 mA 3 mA 126 mA 83 4700uF
EC4A22-E 36-72 VDC 12 VDC 500 mA 6 mA 144 mA 87
4700uF
EC4A23-E 36-72 VDC 15 VDC 400 mA 6 mA 144 mA 87
4700uF
EC4A24-E 36-72 VDC 12 VDC 250 mA 6 mA 144 mA 87
2200uF
EC4A25-E 36-72 VDC 15 VDC 200 mA 6 mA 144 mA 87
2200uF
EC4A26-E 36-72 VDC 5 VDC 500 mA 5 mA 126 mA 83
2200uF
EC4A27-E 36-72 VDC 3.3 VDC 1200 mA 2 mA 104 mA 79
4700uF
NOTE:
1. can be none, M, H, HM, S, MS, HS or HMS.
2. Nominal Input Voltage is 12, 24 or 48 VDC.
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 .................. 12V ................................ 9-18V Efficiency ................................................................................. See Table
24V ............................ 18-36V Isolation Voltage:
48V ............................ 36-72V 500 VDC min. . Standard Models
Input Surge Voltage (100ms max.) 12V ............ 25Vdc max. 3K VDC min. ... (Non-Conductive Black Plastic Only) Suffix H Models
24V ....................... 50Vdc max. 1.5K VDC min. . Suffix HM Models
9
48V ..................... 100Vdc max. Isolation Resistance ..................................................... 10 ohm min.
Under Voltage Lockout 12V Power Up ........... 8.8Vdc Isolation Capacitance ... 250pF typ.
12V Power Down ...... 8Vdc Switching Frequency ........................................................... 100KHz min.
24V Power Up ......... 17Vdc
Operating Ambient Temperature Range .......................... -40 to +85
24V Power Down .... 16Vdc De-rating, Above 80 Linearly to Zero Power at 100
48V Power Up ............ 34Vdc
Case Temperature .. 100 max.
48V Power Down ........... 31Vdc Cooling .. Natural Convection
Storage Temperature Range ................... -40 to +100
OUTPUT SPECIFICATIONS:
Voltage Accuracy .......................................................................... 1.5% max. EMI .. Conductive emi Meet EN55022 Class A
Voltage Balance (Dual) .................................................................. 1.0% max. Humidity .................................................. 95% RH max. Non condensing
Temperature Coefficient 0.05%/ MTBF . MIL-STD-217F ....1800Khrs typ.
Ripple & Noise, 20MHz BW (note 5) . 3.3V/5V .. 100mV pk-pk, max Dimensions .. DIP .. 1.250.80x0.40 inches(31.8x20.310.2 mm)
12V/15V .. 1% pk-pk max. MS/HMS Models 1.250.80x0.45 inches(31.8x20.311.4 mm)
Short Circuit Protection Continuous
S/HS Models . 1.250.80x0.41 inches(31.8x20.310.4 mm)
Line Regulation ... Single/Dual (note1) .. 0.5% max. Case Material:
Load Regulation . Single (note2) ............. 0.5% max. Standard Models . Non-Conductive Black Plastic
Dual (note3) . 1.0% max. Suffix M Models Black Coated Copper with Non-conductive Base
Start up time ...... 5 ms max. Suffix S Models ... SMD package
Weight ... 12.5g
NOTE:
1. Measured from high line to low line.
Figure1.Typical Derating curve for Natural Convection
2. Measured from full load to 10% load.
120%
3. Measured from full load to 1/4 load.
80
-40
100%
4. Maximum case temperature under any operating condition should
not exceed 100.
80%
5. The output noise is measured with 0.1uF MLCC across for SMD package.
60%
Natural Convection
Case A Dimensions:
40%
20%
NOTE:Pin Size is 0.02 0.002 Inch (0.50.05 mm)DIA
100
All Dimensions In Inches (mm)
0%
Tolerances Inches: X.XX= 0.02 , X.XXX= 0.010
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
TOP 1,24 +V Input +V Input 1,24 NP NC NP NC
2,23 2,3 -V Input
NC -V Output -V Input
VIEW
BOTTOM
VIEW
3,22 NC Common 4,5 NP NP
NC NC
NP NP
4 NC NC 9 NC Common
NP NP 10,15
5 NC NC NC NC
9 NP NC NP NC 11
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
16 Common
12,13 -V Input -V Input -V Output
NP NP
16 NC 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(%)