Isolated DC-DC Converters BUC30Series -- 30Watt Bothhand USA Features Wide 2 : 1 Input Voltage Range(9~18V,18~36V,36~75V) High Efficiency up to 91% Remote On/Off Input / Output Isolation Voltage: 1.5kVDC Operating Temperature Range: -40°C to +85°C Output Short Circuit Protection: Hiccup, continuous & Auto Recovery Over Temperature Protection Shielded Metal Case with Insulated Baseplate Customer Design Available Optional Heat-sink Safety Standard / Approval : IEC / EN 60950-1 Technical Specification Model Number Input Voltage Range Description The BUC30 Series are isolated 30W DC/DC converters. Designed with highly efficiency, allow the operating temperature range of these units to be -40°C to +85°C (with derating) in a 50.8×25.4×10.2mm shielded metal case. Further features include wide 2 : 1 input voltage range, remote on/off control, trimmable output, 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 Voltage (V) Output Current (mA) Min. Load (1) Input Current (mA) Full. Load No Load Full Load (2) Capacitive Eff . (3) (%) Load, max. (uF) BUC30-12S7 1.5 0 8500 85 1476 78 56000 BUC30-12S9 2.5 0 8000 75 2137 82 47000 BUC30-12S0 3.3 0 7500 100 2611 83 47000 3148 85 33000 BUC30-12S1 BUC30-12S2 9~18V Nominal:12V BUC30-12S3 5.1 0 6000 150 12 50 2500 70 3012 87 4700 15 150 2000 30 3012 87 3300 BUC30-12D1 ±5 0 ±3000 130 3012 87 10000 BUC30-12D2 ±12 ±20 ±1250 120 3012 87 2200 BUC30-12D3 ±15 ±100 ±1000 100 2976 88 1800 BUC30-24S7 1.5 0 8500 35 699 80 56000 BUC30-24S9 2.5 0 8000 35 1029 85 47000 BUC30-24S0 3.3 0 7500 40 1242 87 47000 5.1 0 6000 50 1500 89 33000 BUC30-24S1 BUC30-24S2 18~36V Nominal:24V 12 50 2500 85 1453 90 4700 BUC30-24S3 15 20 2000 80 1453 90 3300 BUC30-24D1 ±5 0 ±3000 50 1453 90 10000 BUC30-24D2 ±12 ±50 ±1250 50 1453 90 2200 BUC30-24D3 ±15 0 ±1000 50 1453 90 1800 BUC30-48S7 1.5 0 8500 20 345 81 56000 BUC30-48S9 2.5 0 8000 15 508 86 47000 BUC30-48S0 3.3 0 7500 20 614 88 47000 BUC30-48S1 5.1 12 0 150 6000 2500 25 25 741 727 90 90 33000 4700 BUC30-48S3 15 20 2000 25 718 91 3300 BUC30-48D1 ±5 0 ±3000 25 727 90 10000 BUC30-48D2 ±12 0 ±1250 25 718 91 2200 BUC30-48D3 ±15 0 ±1000 25 718 91 1800 BUC30-48S2 36~75V Nominal:48V [email protected] www.bothhandusa.com Rev:20130814A Page 1 of 8 Isolated DC-DC Converters BUC30Series -- 30Watt Bothhand USA Input Specifications Input voltage 12V nominal input 9-18V 24V nominal input 18-36V 48V nominal input 36-75V Input filter Pi type 12V input 25V 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 120mAp-p typ. 80ms typ. Open or 3.5V＜Vr＜12V Converter: ON Short Converter: OFF (4) 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 ＜15 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 30 Watts max. Output power Voltage accuracy Full load and nominal Vin ±1% See table Minimum load Line regulation LL to HL at full load 25% load to full load Load Regulation Balanced load ±0.5% Single ±0.8% Dual ±0.5% Unbalanced load 25% to 100% full load Ripple and Noise ±3% 20MHz bandwidth (Measured with a 2.2uF/50V MLCC) 85mVp-p max. (120mVp-p for 12/15Vout) 1.5Vout models 3V 2.5Vout models 3.6V Over voltage protection 3.3Vout models 3.9V (Zener Diode Clamp) 5Vout models 6.2V 12Vout models 15V 15Vout models 18V Capacitive load Over load protection See table % of full load at nominal input 110% min. 115°C typ. Thermal shutdown [email protected] www.bothhandusa.com Rev:20130814A Page 2 of 8 Isolated DC-DC Converters BUC30Series -- 30Watt Bothhand USA Short circuit protection Hiccup, continuous(Auto Recovery) Transient response settling time 400µs typ 50% load step change (1.7ms for 1.5/2.5/3.3Vout) Transient response over shoot di/dt=0.8A/µs ≤ ±5% of Vo (≤ ±10% for 1.5/2.5/3.3Vout) 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. 6 Reliability, calculated MTBF 1.06 × 10 Hrs Physical Specifications Case material Nickel-coated copper Base material Non-conductive black plastic Silicon rubber (UL94 V-0) Potting material 2.0 × 1.0 × 0.4 Inch Dimensions (50.8 × 25.4 × 10.2 mm) 32.0g (1.13oz) typ. Weight BUC30 Series BUC30 Series (5) Power Derating Curve with Heatsink 1 20 120 1 00 100 80 60 40 20 0 -4 0 -2 0 0 20 40 65 60 80 10 0 12 0 Output Power (%) Output Power (%) Power Derating Curve without Heatsink Ambient Temp.TA (℃) 80 60 40 20 0 -40 -20 0 20 40 60 71 80 100 120 Ambient Temp.TA (℃) BUC30-48S1 BUC30-48S1 Input Voltage vs. Efficiency Output Current vs. Efficiency Efficiency (%) Efficiency (%) (5) Input voltage (V) [email protected] Output Current (A) www.bothhandusa.com Rev:20130814A Page 3 of 8 Bothhand USA Isolated DC-DC Converters BUC30Series -- 30Watt BUC30-48S1 BUC30-48S1 Transient Response at 50%~100% Max Load Loop Gain & Phase at Vi=48V,Full Load Note 1. Io below this value will not damage these converters, however, they may not meet all listed specifications. 2. Typical value, tested at nominal input and full load. 3. For each output. 4. Short to -Vin (Pin 2). 5. Based on BUC30-48S1. Mechanical Dimensions Pin 1 2 3 4 5 6 Pin Assignment Single Dual +Vin +Vin -Vin -Vin Remote On/Off +Vout -Vout Trim +Vout Common -Vout Unit: mm [inch] Tolerance:±0.5[0.02] [email protected] www.bothhandusa.com Rev:20130814A Page 4 of 8 Bothhand USA Isolated DC-DC Converters BUC30Series -- 30Watt Heat-sink (Option) Material: Aluminum Weight: 10g (0.35oz) 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. Separate heat-sinks are only available for prototypes and small quantity orders. Specifications subject to change without notice. [email protected] www.bothhandusa.com Rev:20130814A Page 5 of 8 Isolated DC-DC Converters BUC30Series -- 30Watt 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 of 8 Isolated DC-DC Converters BUC30Series -- 30Watt ││││ ││││ 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. Δ Vout Δ Vin ΔVout = Vout(+10%)-Vout(-10%) x100% Vout Line regulation= 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 of 8 Isolated DC-DC Converters BUC30Series -- 30Watt Bothhand USA Output Ripple&Noise measurement test circuit: as shown below. Copper strip DC/DC converter Co Oscilloscope Load 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 120 1 20 Output Power (%) Output Power (%) drawn from the output and the device is already running. The temperature derating curve shows the operating power-temperature range. As shown below. 1 00 80 60 40 20 0 -40 -20 0 20 40 65 60 80 10 0 120 Ambient Temp.TA (℃) 100 80 60 40 20 0 -40 -20 0 20 40 60 71 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 of 8