V14
EC9BW SERIES
30 WATT 4:1 INPUT
DC-DC CONVERTERS
FEATURES
* 30W Isolated Output
* Efficiency to 92%
* 2x1 Six-Sided Shield Metal Case
* 4:1 Input Range
* Regulated Outputs
* Fixed Switching Frequency
* 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
OUTPUT CURRENT INPUT CURRENT % EFF.
MODEL INPUT OUTPUT CAPACITOR
NUMBER VOLTAGE VOLTAGE LOAD MAX.
MIN. MAX. NO LOAD FULL LOAD (2) (3)
EC9BW-24S33 9-36 VDC 3.3 VDC 0 mA 7500 mA 100 mA 1172 mA 88 88.5
7500F
EC9BW-24S05 9-36 VDC 5 VDC 0 mA 6000 mA 110 mA 1397 mA 89.5 89.5
6000F
EC9BW-24S12 9-36 VDC 12 VDC 0 mA 2500 mA 50 mA 91 90.5
1374 mA 2500F
EC9BW-24S15 9-36 VDC 15 VDC 0 mA 2000 mA 50 mA 91 90.5
1374 mA 2000F
EC9BW-24D12 9-36 VDC 12 VDC 0 mA 1250 mA 60 mA 91 90.5
1374 mA 1250F
EC9BW-24D15 9-36 VDC 15 VDC 0 mA 1000 mA 60 mA 92 91
1359 mA 1000F
EC9BW-48S33 18-75 VDC 3.3 VDC 0 mA 7500 mA 50 mA 593 mA 87 87.5
7500F
EC9BW-48S05 18-75 VDC 5 VDC 0 mA 6000 mA 50 mA 694 mA 89.5 90
6000F
EC9BW-48S12 18-75 VDC 12 VDC 0 mA 2500 mA 30 mA 91.5 90
683 mA 2500F
EC9BW-48S15 18-75 VDC 15 VDC 0 mA 2000 mA 30 mA 92 91
679 mA 2000F
EC9BW-48D12 18-75 VDC 12 VDC 0 mA 1250m A 40 mA 91.5 90.5
683 mA 1250F
EC9BW-48D15 18-75 VDC 15 VDC 0 mA 1000m A 40 mA 92 91
679 mA 1000F
NOTE:
1. Nominal Input Voltage 24 or 48 VDC
2. Measured at 12VDC for 24Vin, 24VDC for 48Vin
3. Measured at Nominal Input Voltage
1 V14
SPECIFICATIONS
All Specifications Typical At Nominal Line, Full Load, and 25 Unless Otherwise Noted
INPUT SPECIFICATIONS: GENERAL SPECIFICATIONS:
Input Voltage Range ................... 24VDC ................ 9 36VDC Efficiency ............................................................ See Table
48VDC .. 18 75VDC Isolation Voltage ...................................... 1500 VDC min.
9
Input Surge Voltage (100ms max.) .. 24VDC ......... 50VDC max. Isolation Resistance ..................... 10 ohm min.
48VDC ..... 100VDC max. Isolation Capacitance ... 1000pF typ.
Under Voltage Lockout .. 24Vin Power Up ... 8.8VDC typ. Switching Frequency .................................................. 430KHz typ.
24Vin Power Down .. 8.0VDC typ. EMI/RFI .. Six-Sided Continuous Shield
48Vin Power Up ....... 17VDC typ. Operating Ambient Temperature Range ............ -40 to +85
48Vin Power Down ....... 16VDC typ. De-rating, Above 65 ... Linearly to Zero Power at +105
Input Filter .... PI Type Case Temperature (note 5) .. 105 max.
Positive Logic Remote on/off Control (note3&4) Cooling Natural Convection
Storage Temperature Range ........................ -55 to +125
OUTPUT SPECIFICATIONS:
Voltage Accuracy .............. 1% max.
Thermal Shutdown, Case Temp. ....................... 110 typ.
Humidity ................................................. 95% RH max. Non-Condensing
Voltage Balance (Dual) ....... 1% max.
Transient Response: 75% - 100% Step Load Change MTBF MIL-STD-217F, GB, 25, Full Load Single . 900Khrs typ.
Error Band 5% Vout nominal, Recovery Time .... <250us Dual ... 650Khrs typ.
Ripple & Noise, 20MHz BW (Measured with 0.1uF MLCC) Dimensions ................ 2.00 x 1.00 x 0.40 inches (50.8 x 25.4 x 10.2 mm)
Vo=3.3&5V ... 75mV pk-pk max. Case Material Black Coated Copper with Non-Conductive Base
Vo=12V&15V&12V&15V .. 100mV pk-pk max. Weight .. 35g
Temperature Coefficient ............................. 0.02%/
NOTE :
Line Regulation (note1) .. Single...................... 0.2% max. 1. Measured from high line to low line.
Dual ....................... 0.5% max. 2. Measured from full load to min. load.
3. Logic compatibility . CMOS or open collector TTL, referenced to Vin.
Load Regulation (note2) ....... Single ........................ 0.5% max.
Dual .................... 1.0% max. Module on . >3.5VDC to 75VDC or open circuit
Cross Regulation (Dual Output) Load Cross Variation 10%/100% ... 5% max. Module off .... <1.2VDC
Over Voltage Protection . Zener or TVS Clamp 4. Suffix to the model number with negative logic remote on/off
Current Limit . 110% - 160% Nominal Output Module on .... <1.2VDC
Output Short Circuit Protection .............................. Continuous (Hiccup Mode) Module off .. >3.5VDC to 75VDC or open circuit
External Trim Adj. Range (Single Output Models Only) ..... 10% 5. Maximum case temperature under any operating condition should
Start Up Time . 5ms typ.
not be exceeded 105 .
SIZE B Dimensions:
NOTE: Pin Size is 0.040.004 Inch (1.00.1 mm)DIA
All Dimensions In Inches (mm)
Tolerances Inches: X.XX= 0.02 , X.XXX= 0.010
Typical Derating curve for Natural Convection
Millimeters: X.X= 1.0, X.XX= 0.25
120%
-40 65
1.00 100%
[25.4]
0.400 0.400 0.10
80%
[10.16]
[10.16] [2.5]
60%
Natural
40%
Convection
3 5 4
20%
105
0%
PIN CONNECTION
Pin Single Dual
-40 -20 0 20 40 60 80 100 120
o
+V Input +V Input
1
Ambient Temperature( C)
BOTTOM VIEW
2 -V Input -V Input
3 +V Output +V Output
Trim
4 -V Output EXTERNAL OUTPUT TRIM
Common
5 -V Output
+Vout +Vout
6 Remote ON/OFF
1 2 6
TRIM DOWN
10K Ohms
0.200
0.20 TRIM TRIM
[5.08]
[5.1] 0.40
TRIMPOT
0.600 [10.2]
[15.24]
0.22 min.
TRIM UP
[5.6]
-Vout -Vout
2
2.00
[50.8]
1.800 0.10
[45.72] [2.5]
0.04
[1.0]
LOAD(%)