DC-DC Converters BWC60 Series -- 60Watt Bothhand USA Features Wide 2 : 1 Input Voltage Range(18~36V,36~75V) Remote On/Off Input / Output Isolation Voltage: 1.5K Vdc High Efficiency: up to 91% Output Short Circuit Protection: Hiccup & Auto Recovery Over Voltage Protection: Clamp Mode Over Temperature Protection Shielded Metal Case with Insulated Baseplate Lead Free Design, RoHS Compliant Adjustable Output Voltage Customer Design Available Option Heat Sink Safety Standard / Approval : IEC / EN 60950-1 Technical Specification Model Number Input Voltage Range BWC60-24S0 Description The BWC60 Series are isolated 60W DC/DC converters. Designed with highly efficiency, allow the operating temperature range of these units to be -40°C to +85°C in a 50.8×50.8×10.2mm shielded metal case. Further features include wide 2 : 1 input voltage range, remote on/off control, short-circuit protection, over voltage protection and over temperature protection. Applications These converters are well suitable for battery operated equipment, measurement equipment, telecom, wireless network, Industry control system, everywhere where isolated, tightly regulated voltages and compact size are required. All specifications are typical at nominal input, full load and 25°C unless otherwise stated. Output (1) Capacitive Output Current (mA) Input Current (mA) Eff . Voltage Load, max. (%) (2) Min. Load Full. Load No Load Full Load (V) (uF) 3.3 0 14000 120 2292 88 47000 5 0 12000 160 2907 90 36000 12 0 5000 45 2941 89 6800 BWC60-24S3 15 0 4000 45 2907 90 4700 BWC60-48S0 3.3 0 14000 65 1132 89 47000 5 0 12000 90 1453 90 36000 12 0 5000 30 1453 90 6800 15 0 4000 30 1437 91 4700 BWC60-24S1 BWC60-24S2 BWC60-48S1 BWC60-48S2 18~36V Nominal:24V 36~75V Nominal:48V BWC60-48S3 [email protected] www.bothhandusa.com Rev:20130814A Page 1 of8 DC-DC Converters BWC60 Series -- 60Watt Bothhand USA Input Specifications Input voltage 24V nominal input 18-36V 48V nominal input 36-75V Input filter Pi type Input surge voltage 24V input 50V (100ms max.) 48V input 100V Input reflected ripple current Nominal Vin and full load Start up time Nominal Vin and constant resistive load Remote ON/OFF Converter: ON Converter: OFF 66mAp-p typ. 160ms typ. Open or 3.5V＜Vr＜12V Short (3) or 0V＜Vr＜0.7V Sourcing current of remote control pin Nominal Vin ＜0.2 mA Idle input current (at Remote OFF state) Nominal Vin ＜20 mA Environmental Specifications -40°C to +85°C (with derating) Operating ambient temperature +100°C Maximum case temperature -55°C to +105°C Storage temperature range 95% RH max. Relative humidity ±0.02% / °C max. Temperature coefficient Output Specifications 60 Watts max. Output power Voltage accuracy Full load and nominal Vin ±1% Minimum load 0mA Line regulation LL to HL at full load Load Regulation 25% load to full load ±0.2% ±0.5% (±0.8% for 3.3Vout) 85mVp-p max. Ripple and Noise (20MHz Bandwidth) Over voltage protection (Zener Diode Clamp) 3.3Vout models 3.9V 5Vout models 6.2V 12Vout models 15V 15Vout models 18V See table Capacitive load Over load protection % of full load at nominal input 110% min. 110°C typ. Thermal shutdown Hiccup, automatic recovery Short circuit protection Transient response settling time 50% load step change Transient response over shoot di/dt=0.8A/µs [email protected] www.bothhandusa.com 160µs typ. ≤ ±5% of Vo Rev:20130814A Page 2 of8 DC-DC Converters BWC60 Series -- 60Watt Bothhand USA General Specifications Efficiency Nominal input Isolation voltage Input to output Isolation resistance See table 1500VDC 9 500VDC 10 Ohms min. Isolation capacitance 1200pF typ. Switching frequency 300kHz typ. 5 Reliability, calculated MTBF 7.48 × 10 Hrs Physical Specifications Case material Nickel-coated copper Base material FR4 PCB Silicon rubber (UL94 V-0) Potting material 2.00 × 2.00 × 0.40 Inch Dimensions (50.8 × 50.8 × 10.2 mm) 60g (2.11oz) typ. Weight BWC60 Series BWC60 Series (4) Power Derating Curve without Heatsink Power Derating Curve with Heatsink 120 Output Power (%) Output Power (%) 120 100 80 60 40 20 100 80 60 40 20 0 0 -40 -20 0 40 40 20 60 80 100 -40 120 -20 44 40 54 60 80 BWC60-48S1 BWC60-48S1 Output Current vs. Efficiency Efficiency (%) 40 20 Input voltage vs. Efficiency 100 95 90 85 80 75 70 65 60 36 0 48 52 56 60 64 68 75 Input voltage (V) [email protected] 100 120 Ambient Temp.TA (℃) Ambient Temp.TA (℃) Efficiency (%) (4) www.bothhandusa.com 100 95 90 85 80 75 70 65 60 55 50 1.2 2.4 3.6 4.8 6.0 7.2 8.4 9.6 Output Current (A) Rev:20130814A Page 3 of8 10.8 12.0 DC-DC Converters BWC60 Series -- 60Watt Bothhand USA BWC60-48S1 BWC60-48S1 Transient Response at 50%~100% Max Load Loop Gain & Phase at Vi=48V,Full Load Note 1. Typical value, tested at nominal input and full load. 2. For each output. 3. Short to -Vin (Pin 2). 4. Based on BWC60-48S1. Mechanical Dimensions 8 7 6 5 3 Bottom View 4 2 1 Pin Assignment Pin Single 1 +Vin 2 -Vin 3 Remote On/Off 4 -Sense 5 +Sense 6 +Vout 7 -Vout 8 Trim Unit: mm [inch] Tolerance:±0.5[±0.02] Specifications subject to change without notice. [email protected] www.bothhandusa.com Rev:20130814A Page 4 of8 Bothhand USA DC-DC Converters BWC60 Series -- 60Watt Heat-sink (Option) Material: Aluminum Weight: 19g (0.67oz) (without converter) Note: The product label on converter has to be removed before mounting the heat-sink. For volume orders, converters will be supplied with heat-sink already mounted. Please contact factory for quotation. [email protected] www.bothhandusa.com Rev:20130814A Page 5 of8 DC-DC Converters BWC60 Series -- 60Watt Bothhand USA Test Configurations All specifications are typical at nominal input, full load and 25°C unless otherwise stated. A A DC Power Supply DC/DC converter V V Load ◎DC Power Supply: It offers a wide voltage and current range precisely. ◎Current meter (A): Accuracy 200μA ~ 200mA 4 ranges+(0.2% rdg + 2 digits) 2000mA ~ 20A 2 ranges+(0.3% rdg + 2 digits). ◎Voltage meter (V): Accuracy +(0.03% rdg + 4 digits). ◎Load: At full load. ◎Wires: The resistance of the wires must be small. 1. Input voltage range: Narrow input voltage range（±10%）、wide input voltage range (2:1 and 4:1）。 EX: Narrow input voltage range（±10%） 5V nominal input 4.5~5.5V 12V nominal input 10.8~13.2V 24V nominal input 21.6~26.4V Wide input voltage range 2:1 5V nominal input 12V nominal input 24V nominal input 48V nominal input 4.5~9V 9~18V 18~36V 36~75V Wide input voltage range 4:1 (W) 24V nominal input 9~36V 48V nominal input 18~75V 2. Input power : Pin = Vin x Iin Vin：Input voltage Iin：Input current Pout = Vout x Iout Vout：Output voltage Iout：Output current 3. Output power : 4. Efficiency : Efficiency = Pout Pin x100% Pout: Output power Pin: Input power 5. Voltage accuracy: │ │Vout-Vout(nominal)│ Vout [email protected] x100% Vout：Output voltage Vout(nominal)：Nominal output voltage www.bothhandusa.com Rev:20130814A Page 6 of8 DC-DC Converters BWC60 Series -- 60Watt Bothhand USA ││││ ││││ 6. Line regulation: (1) Wide input voltage range and regulated output voltage series. │ │Vout(LL)-Vout(HL)│ Vout(LL) LL: Low Line input voltage HL: High Line input voltage x100% (2) Narrow input voltage range（±10%）and unregulated output voltage series. Line regulation= Δ Vout Δ Vin ΔVout = Vout(+10%)-Vout(-10%) x100% Vout Vout(+10%)：Output voltage at Vin = 1.1xVin(nominal)&full load Vout(-10%)：Output voltage at Vin = 0.9xVin(nominal)&full load Vout：Output voltage at Vin = Vin(nominal)&full load ΔVin = Vin(+10%)-Vin(-10%) x100% Vin(nominal) Vin(+10%)：Input voltage = 1.1xVin(nominal) Vin(-10%)：Input voltage = 0.9xVin(nominal) Vin(nominal)：Nominal Input voltage 7. Load regulation : │ x100% │Vout(FL)-Vout(NL)│ Vout(FL) Vout(FL): Output voltage at full load Vout(NL): Output voltage at 25% full load or 10% full load 8. Ripple and Noise: as shown below. The bandwidth is 0-20MHz. Ripple&Noise Noise Ripple [email protected] www.bothhandusa.com Rev:20130814A Page 7 of8 DC-DC Converters BWC60 Series -- 60Watt Bothhand USA Output Ripple&Noise measurement test circuit: as shown below. Copper strip DC/DC converter Co Load Oscilloscope Copper strip Co: usually 0.47uF. 9. Temperature derating curve: The DC-DC converter will operate over a wider temperature range if less power is drawn from the output and the device is already running. The temperature derating curve shows the operating power-temperature range. As shown below. Output Power (%) 120 100 80 60 40 20 0 -40 -20 0 20 40 40 60 80 100 120 Ambient Temp.TA (℃) 10. Switching frequency: The nominal operating frequency of the DC-DC converters. 11. Input to output isolation: The dielectric breakdown strength test between input and output circuits. This is the isolation voltage the device is capable of withstanding for a specified time, usually 1 second or 1 minute. [email protected] www.bothhandusa.com Rev:20130814A Page 8 of8