V29
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
* Safety Meets IEC/EN/UL 62368-1
MODEL
NUMBER(1)
INPUT
VOLTAGE(2)
OUTPUT
VOLTAGE
OUTPUT
CURRENT
EC4A01□
EC4A02□
EC4A03□
EC4A04□
EC4A05□
EC4A06□
EC4A07□
EC4A11□
EC4A12□
EC4A13□
EC4A14□
EC4A15□
EC4A16□
EC4A17□
EC4A21□
EC4A22□
EC4A23□
EC4A24□
EC4A25□
EC4A26□
EC4A27□
9-18 VDC
9-18 VDC
9-18 VDC
9-18 VDC
9-18 VDC
9-18 VDC
9-18 VDC
18-36 VDC
18-36 VDC
18-36 VDC
18-36 VDC
18-36 VDC
18-36 VDC
18-36 VDC
36-72 VDC
36-72 VDC
36-72 VDC
36-72 VDC
36-72 VDC
36-72 VDC
36-72 VDC
5 VDC
12 VDC
15 VDC
±12 VDC
±15 VDC
±5 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
±12 VDC
±15 VDC
±5 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
±12 VDC
±15 VDC
±5 VDC
3.3 VDC
1000 mA
470 mA
400 mA
±230 mA
±190 mA
±500 mA
1000 mA
1000 mA
470 mA
400 mA
±230 mA
±190 mA
±500 mA
1000 mA
1000 mA
470 mA
400 mA
±230 mA
±190 mA
±500 mA
1000 mA
NOTE:
1. □ Can be None, M, H, HM, MS or HMS.
2. Nominal Input Voltage is 12, 24 or 48 VDC.
3. Typical Value at Nominal Input Voltage and Full Load.
1
INPUT CURRENT
NO LOAD
FULL LOAD
7.5 mA
7.5 mA
7.5 mA
12 mA
12 mA
12 mA
7.5 mA
5 mA
5 mA
5 mA
7.5 mA
7.5 mA
7.5 mA
5 mA
2 mA
2 mA
2 mA
3 mA
3 mA
3 mA
2 mA
541 mA
573 mA
625 mA
554 mA
556 mA
541 mA
382 mA
260 mA
280 mA
298 mA
280 mA
293 mA
260 mA
186 mA
132 mA
142 mA
154 mA
142 mA
147 mA
130 mA
93 mA
% EFF.(3)
CAPACITOR
LOAD MAX.
77
82
80
83
81
77
72
80
84
84
82
81
80
74
79
83
81
81
81
80
74
4700uF
4700uF
4700uF
2200uF
2200uF
2200uF
4700uF
4700uF
4700uF
4700uF
2200uF
2200uF
2200uF
4700uF
4700uF
4700uF
4700uF
2200uF
2200uF
2200uF
4700uF
V29
SPECIFICATIONS
All Specifications Typical at Nominal Line, Full Load, and 25℃ Unless Otherwise Noted
INPUT SPECIFICATIONS:
GENERAL 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
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.
Switching Frequency .......................................................... 100KHz min.
OUTPUT SPECIFICATIONS:
Operating Ambient Temperature Range .......................... -25℃ to +71℃
Voltage Accuracy .......................................................................... ±2.0% max.
Voltage Balance (Dual) .................................................................. ±1.0% max.
Temperature Coefficient ………………………………………… ±0.05%/℃ max.
Ripple & Noise, 20MHz BW …………..…. 3.3V/5V ….…… 100mV pk-pk, max
12V/15V ………… 1% pk-pk max.
Short Circuit Protection ……………………………………………… Continuous
Line Regulation ……...… Single/Dual (note1) ….……………. ±0.5% max.
Load Regulation …….… Single (note2) ..….…......……….... ±0.5% max.
Dual (note3) ……….………………… ±1.0% max.
Power De-Rating Curve ……………………………………….. See Figure1
Case Temperature (note4) … Plastic/Copper Case... 95℃/100℃ max.
Cooling ……………………………………………….. Natural Convection
Storage Temperature Range ………....….......……........ -40℃ to +100℃
Humidity ................................................. 95% RH max. Non Condensing
MTBF ………. MIL-HBDK-217F ..……..…………………… 2000Khrs typ.
Dimensions …….. DIP…... 1.25×0.80x0.40 inches (31.8x20.3×10.2 mm)
SMD … 1.25×0.80x0.45 inches (31.8x20.3×11.4 mm)
Case Material:
NOTE:
Standard Models ………….…………… Non-Conductive Black Plastic
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 be exceed 95℃ (plastic case),100℃ (copper case).
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%
LOAD(%)
100%
71
-25
80%
60%
Plastic Case
40%
Copper Case
100
20%
95
0%
-25
Case A Dimensions:
0
BOTTOM VIEW
0.08
[2.0]
CASE AS
500 VDC
1.25
[31.8]
1
9
15
10
14
11
13
12
0.600
[15.24]
0.80
[20.3]
2
3
4
5
0.02
[0.5]
0.15
[3.8]
0.08
[2.0]
1.25
[31.8]
DIP
+V Input
2,23
NC
-V Output
2,3
Common
4,5
NC
NP
NC
NP
SMD
DIP
SMD
NP
NC
NP
NC
-V Input
NP
NC
NC
9
NC
NP
NC
NP
NC
10,15
NC
NP
NC
NP
NC
11
NC
10,15
11,14
-V Output
Common
12,13
+V Output
+V Output
14
-V Input
-V Input
16
16
NP
NC
NP
NC
20,21
20,21
NP
NC
NP
NC
22,23
Dual Output
DIP
5
* NP-NO PIN
* NC-NO CONNECTION WITH PIN
2
1,24
Single Output
9
12,13
0.100
[2.54]
Pin
1,24
4
0.04
[1.0]
SMD
1.5K & 3K VDC
Dual Output
SMD
+V Input
3,22
9 10 11 12
0.40
[10.2]
Single Output
DIP
0.43
[10.9]
16
16 15 14 13
0.45
[11.4]
3
Pin
0.80
[20.3]
2
1.00
[25.4]
23
22
24 23 22 21 20
0.100
[2.54]
1
100
PIN CONNECTION
TOP VIEW
SEE NOTE
24
25
50
75
Ambient Temperature(oC)
NP
NP
NC
Common
NC
-V Output
NC
+V Output
-V Output
NP
-V Input
NC
+V Input
NP
NC
+V Output
Common
NP
NC
+V Input
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
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