V27
EC3A SERIES
︳
3 WATT 2:1 INPUT RANGE
DC-DC CONVERTERS
FEATURES
* 3W Isolated Output
* 24-Pin DIP Package
* Efficiency to 82%
* 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)
EC3A01□
EC3A02□
EC3A03□
EC3A04□
EC3A05□
EC3A06□
EC3A07□
EC3A11□
EC3A12□
EC3A13□
EC3A14□
EC3A15□
EC3A16□
EC3A17□
EC3A21□
EC3A22□
EC3A23□
EC3A24□
EC3A25□
EC3A26□
EC3A27□
EC3A31□
EC3A32□
EC3A33□
EC3A34□
EC3A35□
EC3A36□
EC3A37□
INPUT
VOLTAGE(2)
4.5-6 VDC
4.5-6 VDC
4.5-6 VDC
4.5-6 VDC
4.5-6 VDC
4.5-6 VDC
4.5-6 VDC
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
OUTPUT
VOLTAGE
5 VDC
12 VDC
15 VDC
±5 VDC
±12 VDC
±15 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
±5 VDC
±12 VDC
±15 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
±5 VDC
±12 VDC
±15 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
±5 VDC
±12 VDC
±15 VDC
3.3 VDC
OUTPUT
CURRENT
600 mA
250 mA
200 mA
±300 mA
±125 mA
±100 mA
600 mA
600 mA
250 mA
200 mA
±300 mA
±125 mA
±100 mA
600 mA
600 mA
250 mA
200 mA
±300 mA
±125 mA
±100 mA
600 mA
600 mA
250 mA
200 mA
±300 mA
±125 mA
±100 mA
600 mA
INPUT CURRENT
NO LOAD
FULL LOAD
15 mA
800 mA
15 mA
759 mA
15 mA
779 mA
25 mA
779 mA
25 mA
789 mA
25 mA
800 mA
15 mA
582 mA
7.5 mA
325 mA
7.5 mA
313 mA
7.5 mA
316 mA
12 mA
325 mA
12 mA
325 mA
12 mA
316 mA
7.5 mA
229 mA
5 mA
158 mA
5 mA
156 mA
5 mA
152 mA
7.5 mA
162 mA
7.5 mA
158 mA
7.5 mA
154 mA
5 mA
111 mA
2 mA
78 mA
2 mA
78 mA
2 mA
78 mA
3 mA
80 mA
3 mA
80 mA
3 mA
80 mA
3 mA
57 mA
% EFF.(3)
CAPACITOR
LOAD MAX.
75
79
77
77
76
75
68
77
80
79
77
77
79
72
79
80
82
77
79
81
74
79
80
80
78
78
78
72
2200uF
2200uF
2200uF
1000uF
1000uF
1000uF
2200uF
2200uF
2200uF
2200uF
1000uF
1000uF
1000uF
2200uF
2200uF
2200uF
2200uF
1000uF
1000uF
1000uF
2200uF
2200uF
2200uF
2200uF
1000uF
1000uF
1000uF
2200uF
NOTE:
1. □ Can be None, M, H, HM, MS or HMS.
2. Nominal Input Voltage is 5, 12, 24 or 48VDC.
3. Typical Value at Nominal Input Voltage and Full Load.
1
章
節
A-4
頁
次
1-1
V27
SPECIFICATIONS
All Specifications Typical at Nominal Line, Full Load, and 25℃ Unless Otherwise Noted
INPUT SPECIFICATIONS:
GENERAL SPECIFICATIONS:
Input Voltage Range ….………….......……....... 5V ….............................4.5-6V
12V …..................... 9-18V
24V …..................... 18-36V
48V …................... 36-72V
Input Surge Voltage (100ms max.) …….…… 5V ….…….…...... 10Vdc 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.
Operating Ambient Temperature Range …...................... -25℃ to +71℃
Power De-Rating Curve ……………..……………………….. See Figure1
OUTPUT SPECIFICATIONS:
Case Temperature (note4) … Plastic/Copper case … 95℃/100℃ max.
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 (note2) ….….….……………… ±1.0% max.
Cooling ……………………………………………….. Natural Convection
Storage Temperature Range ………….……....……..... -40℃ to +100℃
Humidity ................................................. 95% RH max. Non Condensing
MTBF ………. MIL-HDBK-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:
Standard Models …………………….… Non-Conductive Black Plastic
Suffix “M” Models .. Black Coated Copper with Non-Conductive Base
NOTE:
Suffix “S” Models …….…………………...…………… SMD Package
Weight ………………………………………………….……………… 12.5g
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
Figure1.Typical Derating curve for Natural Convection
120%
LOAD(%)
71
-25
100%
not be exceed 95℃ (plastic case), 100℃ (copper case).
80%
60%
Plastic Case
40%
100
Copper Case
20%
95
0%
-25
0
Case A Dimensions:
25
50
75
Ambient Temperature(oC)
BOTTOM VIEW
0.08
[2.0]
CASE AS
PIN CONNECTION
TOP VIEW
500 VDC
SEE NOTE
3
1.25
[31.8]
1
9
15
10
14
11
13
12
0.600
[15.24]
0.80
[20.3]
DIP
2
3
4
0.02
[0.5]
0.15
[3.8]
0.40
[10.2]
0.08
[2.0]
0.100
[2.54]
+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
-V Output
Common
12,13
11,14
+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
1.25
[31.8]
Pin
DIP
1,24
4
0.04
[1.0]
SMD
1.5K & 3K VDC
Dual Output
SMD
+V Input
3,22
9 10 11 12
5
0.43
[10.9]
16
Pin
16 15 14 13
0.45
[11.4]
22
24 23 22 21 20
0.80
[20.3]
2
1.00
[25.4]
1
23
0.100
[2.54]
24
Single Output
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
100
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