V14
︳
FEATURES
EC9B SERIES
30 WATT 2:1 INPUT
DC-DC CONVERTERS
* 30W Isolated Output
* Efficiency to 92%
* 2’’x1’’ Six-Sided Shield Metal Case
* Fixed Switching Frequency
* 2:1 Input Range
* Regulated Outputs
* Input Under Voltage Protection
* Over Current Protection
* Remote On/Off
* Continuous Short Circuit Protection
* No Tantalum Capacitor Inside
* CE Mark Meets 2004/108/EC
* Safety Meets UL60950-1, EN60950-1, and IEC60950-1
MODEL
NUMBER
EC9B-12S33
EC9B-12S05
EC9B-12S12
EC9B-12S15
EC9B-12D12
EC9B-12D15
EC9B-24S33
EC9B-24S05
EC9B-24S12
EC9B-24S15
EC9B-24D12
EC9B-24D15
EC9B-48S33
EC9B-48S05
EC9B-48S12
EC9B-48S15
EC9B-48D12
EC9B-48D15
INPUT
VOLTAGE
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
36-75 VDC
36-75 VDC
36-75 VDC
36-75 VDC
36-75 VDC
36-75 VDC
OUTPUT
VOLTAGE
3.3 VDC
5 VDC
12 VDC
15 VDC
±12 VDC
±15 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
±12 VDC
±15 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
±12 VDC
±15 VDC
OUTPUT CURRENT
MIN.
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
0 mA
MAX.
7500 mA
6000 mA
2500 mA
2000 mA
±1250 mA
±1000 mA
7500 mA
6000 mA
2500 mA
2000 mA
±1250 mA
±1000 mA
7500 mA
6000 mA
2500 mA
2000 mA
±1250 mA
±1000 mA
INPUT CURRENT
NO LOAD
170 mA
150 mA
55 mA
80 mA
55 mA
60 mA
110 mA
90 mA
50 mA
80 mA
40 mA
40 mA
70 mA
50 mA
30 mA
50 mA
40 mA
45 mA
FULL LOAD
2371 mA
2841 mA
2732 mA
2762 mA
2793 mA
2778 mA
1172 mA
1389 mA
1359 mA
1374 mA
1366 mA
1366 mA
586 mA
698 mA
687 mA
691 mA
691 mA
691 mA
% CAPACITOR
EFF. LOAD MAX.
87
88
91.5
90.5
89.5
90
88
90
92
91
91.5
91.5
88
89.5
91
90.5
90.5
90.5
7500µF
6000µF
2500µF
2000µF
1250µF
1000µF
7500µF
6000µF
2500µF
2000µF
1250µF
1000µF
7500µF
6000µF
2500µF
2000µF
1250µF
1000µF
NOTE: 1. Nominal Input Voltage 12, 24 or 48VDC
1
V14
SPECIFICATIONS
All Specifications Typical At Nominal Line, Full Load, and 25
℃
Unless Otherwise Noted
INPUT SPECIFICATIONS:
Input Voltage Range....……………...….......... 12VDC ....................... 9-18VDC
24VDC .................... 18-36VDC
48VDC .................... 36-75VDC
Input Surge Voltage (100ms max.) …………. 12VDC …….......... 25VDC max.
24VDC ................. 50VDC max.
48VDC ............... 100VDC max.
Under Voltage Lockout ………..…….. 12Vin Power Up ……..…… 8.8VDC typ.
12Vin Power Down ….….. 8.0VDC typ.
24Vin Power Up ……..……. 17VDC typ.
24Vin Power Down ...……. 16VDC typ.
48Vin Power Up ……..….. 34VDC typ.
48Vin Power Down …..…. 32VDC typ.
Positive Logic Remote On/Off (note3&4)
Input Filter ………………………………………………..…………..…... PI Type
GENERAL SPECIFICATIONS:
Efficiency .................................................................…..……... See Table
Isolation Voltage ..........….. Input/Output ....……..…. 1500VDC max.
9
Isolation Resistance ..............................…..................……. 10 ohm min.
Isolation Capacitance …………………..……………….…… 1000pF typ.
Switching Frequency ...........................….................…….... 400KHz typ.
EMI/RFI ………………..…….…………….. Six-Sided Continuous Shield
Operating Ambient Temperature ………………..….…... -40℃ to +85℃
De-rating, Above 65℃ ………………… Linearly to Zero Power at 105℃
Case Temperature (note5) ………………………………….. 105℃ max.
Cooling ………………………………………………… Natural Convection
Storage Temperature ……………….....….......……........ -55℃ to +125℃
Thermal Shutdown, Case Temp. ……………….............................. 110℃
Humidity ................................................. 95% RH max. Non-Condensing
MTBF … MIL-STD-217F, GB, 25
℃
, Full Load … Single ….. 900Khrs typ.
Dual …… 700Khrs typ.
Dimensions ……………….. 2.00x1.00x0.40 inches (50.8x25.4x10.2 mm)
Case Material …….… Black Coated Copper with Non-Conductive Base
Weight …………………………………………………………………... 35g
OUTPUT SPECIFICATIONS:
Voltage Accuracy .........................................…………………..…...
±1.0%
max.
Voltage Balance (Dual) ……….…………………………………….
±1.0%
max.
Transient Response: 75% - 100% Step Load Change
Error Band ………..
±5%
Vout nominal, Recovery Time …….…... <250us
Ripple & Noise, 20MHz BW (Measured with 0.1uF MLCC)
3.3V & 5V …………….….………………….. 75mV pk-pk max.
12V & 15V &
±12V
&
±15V
…………….. 100mV pk-pk max.
Temperature Coefficient .……………………..………………….….
±0.03%/°C
Line Regulation (note1) .……………. Single/Dual ..................….
±0.2%
max.
Load Regulation (note2) .……..……. Single ……...................….
±0.5%
max.
Dual .……..….........…......
±1.0%
max.
Cross Regulation (Dual Output) Load Cross Variation 10%/100% ... ±5% max.
Over Voltage Protection ……………………….………….. Zener or TVS Clamp
Output Short Circuit Protection .............................................….…. Continuous
Output Current Limit, % Nominal Output .....................……….... 110% ~150%
External Trim Adj. Range (Single Output Models Only) ……….…..…… ±10%
Start Up Time ……………………………………………………………. 5ms typ.
NOTE:
1. Measured from high line to low line.
2. Measured from full load to 0% load.
3.
Logic compatibility … CMOS or open collector TTL, referenced to –Vin.
Module on …………..……… >3.5VDC to 75VDC or open circuit
Module off ………….………………………..…………. <1.2VDC
4. Suffix "N" to the model number with negative logic remote on/off
Module on ….…………………………………….……. < 1.2VDC
Module off …………..…….... >3.5VDC to 75VDC or open circuit
5. Maximum case temperature under any operating condition should
not be exceeded 105℃.
Typical Derating curve for Natural Convection
120%
100%
-40
65
Case B Dimensions:
LOAD(%)
NOTE: Pin Size is 0.04±0.004 Inch (1.0±0.1 mm)DIA
All Dimensions In Inches (mm)
Tolerances Inches: X.XX= ±0.02 , X.XXX= ±0.010
Millimeters: X.X= ±1.0, X.XX= ±0.25
1.00
[25.4]
0.10
[2.5]
0.400
[10.16]
0.400
[10.16]
0.10
[2.5]
80%
60%
40%
20%
105
0%
-40
-20
0
20
40
60
80
Ambient Temperature(
o
C)
100
120
Natural
Convection
3
5
4
Pin
BOTTOM VIEW
1
2
3
4
5
6
6
2.00
[50.8]
1.800
[45.72]
PIN CONNECTION
Dual
Single
+V Input
+V Input
-V Input
-V Input
+V Output +V Output
Trim
-V Output
-V Output
Common
Remote ON/OFF
EXTERNAL OUTPUT TRIM
+Vout
TRIM DOWN
+Vout
TRIM
TRIM UP
TRIM
10K Ohms
TRIMPOT
1
2
0.200
[5.08]
0.600
[15.24]
0.20
[5.1]
0.04
[1.0]
-Vout
0.40
[10.2]
0.22
min.
[5.6]
-Vout
2
嵌入式系统
