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EC4A01HM Datasheet, PDF (2/3 Pages) List of Unclassifed Manufacturers – 5-6 WATT 2:1 INPUT RANGE DC-DC CONVERTERS
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
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
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
Isolation Resistance .....................................................…… 109 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
120%
-40
100%
71 80
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
BOTTOM
VIEW
CASE AS
SEE NOTE
TOP
VIEW
*0.41(10.4)mm for "-E" Version S/HS Models
60%
Plastic Case
40%
Copper Case
20%
- 40
0%
-E Version
100
-40 -20 0 20 40 60 80 100
Ambient Temperature(oC)
PIN CONNECTION
500 VDC
1.5K & 3K VDC
Single Output
Pin
DIP SMD
1,24
+V Input
Dual Output
DIP SMD
+V Input
Pin
1,24
Single Output
DIP SMD
NP NC
Dual Output
DIP SMD
NP NC
2,23
NC
-V Output
2,3
-V Input
-V Input
3,22
NC
Common
4,5 NP NC
NP
NC
4
NP NC
NP NC
9
NC
Common
5
NP
NC
NP
NC 10,15
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
-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
* NP-NO PIN
* NC-NO CONNECTION WITH PIN
2