V27
EC4A SERIES
5-6 WATT 2:1 INPUT RANGE
DC-DC CONVERTERS
FEATURES
* 5-6W Isolated Output
* 24-Pin DIP Package
* Efficiency to 84%
* 2:1 Input Range
* Regulated Outputs
* Pi Input Filter
* Continuous Short Circuit Protection
* UL60950-1 Approval for H/HM Versions only
INPUT CURRENT
MODEL INPUT OUTPUT OUTPUT CAPACITOR
(2)
% EFF.
(1)
NUMBER VOLTAGE VOLTAGE CURRENT LOAD MAX.
NO LOAD FULL LOAD
4700uF
EC4A01 9-18 VDC 5 VDC 1000 mA 7.5 mA 541 mA 77
EC4A02 9-18 VDC 12 VDC 470 mA 573 mA 82
7.5 mA 4700uF
EC4A03 9-18 VDC 15 VDC 400 mA 7.5 mA 625 mA 80
4700uF
EC4A04 9-18 VDC 12 VDC 230 mA 554 mA 83
12 mA 2200uF
EC4A05 9-18 VDC 15 VDC 190 mA 12 mA 556 mA 81
2200uF
EC4A06 9-18 VDC 5 VDC 500 mA 12 mA 541 mA 77
2200uF
EC4A07 9-18 VDC 3.3 VDC 1000 mA 7.5 mA 382 mA 72
4700uF
EC4A11 18-36 VDC 5 VDC 1000 mA 5 mA 260 mA 80 4700uF
EC4A12 18-36 VDC 12 VDC 470 mA 5 mA 280 mA 84
4700uF
EC4A13 18-36 VDC 15 VDC 400 mA 5 mA 298 mA 84
4700uF
EC4A14 18-36 VDC 12 VDC 230 mA 7.5 mA 280 mA 82
2200uF
EC4A15 18-36 VDC 15 VDC 190 mA 7.5 mA 293 mA 81
2200uF
EC4A16 18-36 VDC 5 VDC 500 mA 7.5 mA 260 mA 80
2200uF
EC4A17 18-36 VDC 3.3 VDC 1000 mA 5 mA 186 mA 74
4700uF
EC4A21 36-72 VDC 5 VDC 1000 mA 2 mA 132 mA 79 4700uF
EC4A22 36-72 VDC 12 VDC 470 mA 2 mA 142 mA 83
4700uF
EC4A23 36-72 VDC 15 VDC 400 mA 2 mA 154 mA 81
4700uF
EC4A24 36-72 VDC 12 VDC 230 mA 3 mA 142 mA 81
2200uF
EC4A25 36-72 VDC 15 VDC 190 mA 3 mA 147 mA 81
2200uF
EC4A26 36-72 VDC 5 VDC 500 mA 3 mA 130 mA 80
2200uF
EC4A27 36-72 VDC 3.3 VDC 1000 mA 2 mA 93 mA 74
4700uF
NOTE:
1. Nominal Input Voltage is 12, 24 or 48 VDC.
2. Typical value at nominal input voltage and full load.
1 V27
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.
Input Filter ....... Pi Type
Switching Frequency .......................................................... 100KHz min.
Operating Ambient Temperature Range .......................... -25 to +71
OUTPUT SPECIFICATIONS:
Voltage Accuracy .......................................................................... 2.0% max. Power de-rating Curve .. see Figure1
Voltage Balance (Dual) .................................................................. 1.0% max.
Case Temperature (Note 4) Plastic/Copper case... 95/100 max.
Temperature Coefficient 0.05%/ Cooling .. Natural Convection
Ripple & Noise, 20MHz BW ... 3.3V/5V . 100mV pk-pk, max
Storage Temperature Range ................... -40 to +100
12V/15V 1% pk-pk max.
Humidity .................................................. 95% RH max. Non condensing
Short Circuit Protection Continuous MTBF . MIL-STD-217F .... 2000Khrs typ.
Line Regulation ... Single/Dual (note 1) .. 0.5% max.
Dimensions .. DIP.. 1.250.80x0.40 inches(31.8x20.310.2 mm)
Load Regulation . Single (note 2) ............. 0.5% max.
SMD 1.250.80x0.45 inches(31.8x20.311.4 mm)
Dual (note 3) . 1.0% max. Case Material:
Standard Models . Non-Conductive Black Plastic
NOTE:
1. Measured From High Line to Low Line. Suffix M Models .. Black Coated Copper with Non-conductive Base
2. Measured From Full Load to 10% Load. Suffix S Models .... SMD package
3. Measured From Full Load to 1/4 Load. Weight ... 12.5g
4. Maximum case temperature under any operating condition should
not be exceed 95 (Plastic Case),100 (Copper Case).
Figure1.Typical Derating curve for Natural Convection
120%
71
-25
100%
80%
60%
Plastic Case
40%
Copper Case
100
20%
95
Case A Dimensions: 0%
-25 0 25 50 75 100
o
NOTE:Pin Size is 0.02 0.002 Inch (0.50.05 mm)DIA
Ambient Temperature( C)
All Dimensions In Inches (mm)
Tolerances Inches: X.XX= 0.02 , X.XXX= 0.010
Millimeters: X.X= 0.5 , X.XX=0.25
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 2,3 -V Input
VIEW NC -V Output -V Input
BOTTOM
VIEW
3,22 NC Common 4,5 NP NC NP NC
NP NP 9
4 NC NC NC Common
NP NP 10,15
5 NC NC NC NC
9 NP NC NP NC 11 NC -V Output
10,15 -V Output Common 12,13
NP NC NP NC
11,14 +V Output +V Output 14 +V Output +V Output
12,13 -V Input 16 Common
-V Input -V Output
NP NP 20,21
16 NC NC NP NC NP NC
20,21 NP NC NP NC 22,23 +V Input +V Input
* NP-NO PIN
* NC-NO CONNECTION WITH PIN
2
LOAD(%)