Isolated DC-DC Converters BVA30W Series -- 30Watt Bothhand USA Features Wide 4 : 1 Input Voltage Range(9~36V,18~75V) Remote On/Off Input / Output Isolation Voltage: 1.5K VDC Extended Operating Temperature Range: -40°C to +85°C Output Short Circuit Protection: Hiccup , continuous & Auto Recovery Description Over Voltage Protection: Clamp Mode Over Temperature Protection Shielded Metal Case with Insulated Baseplate Lead Free Design, RoHS Compliant Industry Standard Pinout The BVA30W 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 in a 50.8×40.6×10.2mm shielded metal case. Further features include wide 4 : 1 input voltage range, remote on/off control, short-circuit protection, over voltage protection and over temperature protection. Adjustable Output Voltage Customer Design Available Safety Standard / Approval : IEC / EN 60950-1 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. Technical Specification Model Number All specifications are typical at nominal input, full load and 25°C unless otherwise stated. Output (2) Capacitive Output Current (mA) Input Current (mA) Input Voltage Eff . Voltage Load, max. (1) Range (%) (3) Min. Load Full. Load No Load Full Load (V) (uF) BVA30-24S8W 1.8 0 8000 88 800 79 65800 BVA30-24S9W 2.5 0 8000 74 1029 84 56000 BVA30-24S0W 3.3 0 6000 96 1031 84 42000 5 0 6000 116 1506 87 30000 12 33 2500 51 1506 87 4700 BVA30-24S1W BVA30-24S2W BVA30-24S3W 9~36V Nominal:24V 15 28 2000 55 1506 87 2800 BVA30-24D2W ±12 0 ±1250 72 1506 87 2000 BVA30-24D3W ±15 ±12 ±1000 61 1506 87 1600 BVA30-48S8W 1.8 0 8000 40 400 79 65800 BVA30-48S9W 2.5 0 8000 32 514 85 56000 BVA30-48S0W BVA30-48S1W 3.3 0 6000 43 503 86 42000 BVA30-48S2W 18~75V Nominal:48V 5 0 6000 56 735 89 30000 12 10 2500 77 735 89 4700 BVA30-48S3W 15 6 2000 72 735 89 2800 BVA30-48D2W ±12 0 ±1250 80 735 89 2000 BVA30-48D3W ±15 0 ±1000 76 744 88 1600 [email protected] www.bothhandusa.com Rev:20130814A Page 1 of 8 Isolated DC-DC Converters BVA30W Series -- 30Watt Bothhand USA Input Specifications Input voltage 24V nominal input 9-36V 48V nominal input 18-75V 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 250mAp-p typ. 78ms 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 25% load to full load Load Regulation ±0.5% (±1% for 1.8 / 2.5Vout) ±1% LL to HL at full load Balanced load Single Dual ±0.5% Unbalanced load 25% to 100% full load Ripple and Noise Over voltage protection (Zener Diode Clamp) ±3% 20MHz Bandwidth 85mVp-p max. 1.8Vout Models 3.0V 2.5Vout Models 3.6V 3.3Vout models 3.9V 5Vout models 6.2V 12Vout models 15V 15Vout models 18V Capacitive load Over load protection See table % of full load at nominal input 150% typ. 115°C typ. Thermal shutdown Short circuit protection Transient response settling time [email protected] Hiccup, continuous(Auto Recovery) 50% load step change www.bothhandusa.com 300µs typ. Rev:20130814A Page 2 of 8 Isolated DC-DC Converters BVA30W Series -- 30Watt Bothhand USA Transient response over shoot (2.4ms for 1.8 / 2.5 / 3.3Vout) ≤ ±5% of Vo ( ≤ ±8% for 1.8/2.5 Vout ) di/dt=0.8A/µs 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 1.19 × 10 Hrs Physical Specifications Case material Nickel-coated copper Base material Non-conductive black plastic Silicon rubber (UL94 V-0) Potting material 2.00 × 1.60 × 0.40 Inch Dimensions (50.8 × 40.6 × 10.2 mm) Weight 48g (1.69oz) typ. (5) BVA30W Series (Without Heatsink) Power Derating Curve 120 120 100 100 Output Power (%) Output Power (%) Power Derating Curve 80 60 40 20 0 -40 -20 0 20 40 63 60 (5) (With Heatsink) 80 60 40 20 0 80 100 120 -40 Ambient Temp.TA (℃) -20 0 20 40 60 66 80 Ambient Temp.TA (℃) BVA30-48S1W BVA30-48S1W Input voltage vs. Efficiency Output Current vs. Efficiency Efficiency (%) Efficiency (%) 100 Input voltage (V) [email protected] www.bothhandusa.com Output Current (A) Rev:20130814A Page 3 of 8 120 Bothhand USA Isolated DC-DC Converters BVA30W Series -- 30Watt BVA30-48S1W BVA30-48S1W 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 BVA30-48S1W. Mechanical Dimensions Pin 1 2 3 4 5 6 7 Pin Assignment Single Dual +Vin +Vin -Vin -Vin Remote On/Off Remote On/Off No pin +Vout -Vout Trim +Vout Common -Vout Trim Unit: mm [inch] Tolerance:±0.5[±0.02] Unit: mm [inch] Tolerance:0.xx±0.25[0.xx±0.01] [email protected] www.bothhandusa.com Rev:20130814A Page 4 of 8 Bothhand USA Isolated DC-DC Converters BVA30W Series -- 30Watt Heat-sink Material: Aluminum Weight: 16g (0.56oz) (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. 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 BVA30W Series -- 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 BVA30W Series -- 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. 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 of 8 Isolated DC-DC Converters BVA30W Series -- 30Watt 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 63 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. 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