EC9BW SERIES
30 WATT 4:1 INPUT
DC-DC CONVERTERS
FEATURE
* 30W Isolated Output
* Efficiency to 91
* 1’’ X 2’’ 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
* Without Tantalum Capacitors inside
NOTE: 1. Nominal Input Voltage 24 or 48 VDC
型號 輸入電壓 輸出電壓 小/電流 效率 容性負載
EC9BW-24S33 9-36 VDC 3.3 VDC 0 mA 7500 mA 100 mA 1200 mA 88.5 7500μF
EC9BW-24S05 9-36 VDC 5 VDC 0 mA 6000 mA 110 mA 1421 mA 89.5 6000μF
EC9BW-24S12 9-36 VDC 12 VDC 0 mA 2500 mA 35 mA 1405 mA 90.5 2500μF
EC9BW-24S15 9-36 VDC 15 VDC 0 mA 2000 mA 35 mA 1405 mA 91 2000μF
EC9BW-24D12 9-36 VDC ±12 VDC 0 mA ±1250mA 35 mA 1437 mA 90 1250μF
EC9BW-24D15 9-36 VDC ±15 VDC 0 mA ±1000mA 35 mA 1437 mA 90 1000μF
EC9BW-48S33 18-75 VDC 3.3 VDC 0 mA 7500 mA 55 mA 600 mA 88 7500μF
EC9BW-48S05 18-75 VDC 5 VDC 0 mA 6000 mA 55 mA 711 mA 90 6000μF
EC9BW-48S12 18-75 VDC 12 VDC 0 mA 2500 mA 25 mA 695 mA 90 2500μF
EC9BW-48S15 18-75 VDC 15 VDC 0 mA 2000 mA 20 mA 688 mA 90.5 2000μF
EC9BW-48D12 18-75 VDC ±12 VDC 0 mA ±1250mA 25 mA 711 mA 90.5 1250μF
EC9BW-48D15 18-75 VDC ±15 VDC 0 mA ±1000mA 20 mA 711 mA 90 1000Μf
INPUT SPECIFICATIONS:
Input Voltage Range ....……………...............………. 24V ................ 9 – 36V
48V ……….... 18 – 75V
Input Surge Voltage (100ms max.)………………..…. .24V............. 50Vdc max
48V………100Vdc max
Under voltage lockout …………….. 24Vin power up ….…...….……. 8.8V typ.
24Vin power down ……..……. 8.0V typ.
48Vin power up ………...…...….. 17V typ.
48Vin power down …………....... 16V typ.
Input Filter ………………………………..……….……………. PI Type
Positive Logic Remote on/off Control: ( see note 3 & 4 )
OUTPUT SPECIFICATIONS:
Voltage Accuracy ………………....……………….......…………… ±1 max.
Voltage Balance(Dual) …….………………… ……………….…. ±1 max.
Transient Response: 75 ~ Step Load Change.
Error Band …… ±5% Vout nominal, Recovery Time ……….. < 250us
Ripple & Noise, 20MHz BW (Measured with 0.1uF MLCC)
Vo=3.3 & 5V ……75mV p-p max.
Vo=12V & 15V & ±12V & ±15V …. 100mV p-p max
Temperature Coefficient ....................….………...…..……….. ±0.02/C max.
Line Regulation(Note1), … single ……………………...…………. ±0.2 max.
Dual..……….……........................…. ±0.2 max
Load Regulation(Note2), … single ……………………...…………. ±0.2 max.
Dual..……….……........................…. ±0.5 max
Cross Regulation(Dual output) Load cross variation 1/…….±5 max
Over Voltage Protection ……………………….………… Zener or TVS Clamp
Current Limit ……………………………………. 11 - 16 Nominal Output
Output Short Circuit Protection .............................. Continuous (Hiccup Mode)
External Trim Adj. Range ( single output models only ) …..…………….. ±1
Start up time……………………………………………………………….10ms typ
GENERAL SPECIFICATIONS:
Efficiency ...........................................………..………............ See Table
Isolation Voltage .................................……..………......... 1500 VDC min.
Isolation Resistance .....................…….………….……… 109
Ohms min.
Isolation Capacitance…………………..………………………1000pF Typ
Switching Frequency ............................……...................... 430KHz typ.
EMI/RFI……….………. Conductive EMI Mee EN55022 Class A (Note6)
Operating Ambient Temperature Range...…..…...…….... -40℃ to +75℃
Derating, Above 65℃ ……………..…. Linearly to Zero Power at +105℃
Case Temperature (note 5) ………………………………………….. 105℃
Cooling ………………………………………………… Natural Convection
Storage Temperature Range ...…............……....…....... -55℃ to +125℃
Thermal Shutdown, Case Temp. .………….............……. 110℃ Typ.
Humidity....................................................95RH max. Non condensing
MTBF……….MIL-STD-217F..………..……..……………………T.B.D. hrs
Dimensions............................. 2 x 1 x 0.4 inches (50.8 x 25.4 x 10.2 mm)
Case Material ……… Black Coated Copper with Non-Conductive Base
Weight ………………………………………………………………….. 35g
NOTE :
1. Measured From High Line to Low Line
2. Measured From Full Load to min. Load
3. Logic Compatibility …. CMOS or Open Collector TTL, ref. 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℃.
6. Meet EN55022 Class A with external capacitor.(see application note )
