Isolated DC-DC Converters BOB8 Series -- 8 Watt BOTHHAND USA Features Wide 2 : 1 Input Voltage Range(9~18V,18~36V,36~75V) Remote On/Off Input / Output Isolation Voltage: 1.5K Vdc Extended Operating Temperature Range: -40°C to +85°C Output Short Circuit Protection: Description Continuous & Auto Recovery The BOB8 Series are isolated 8W DC/DC converters. Designed with highly efficiency, allow the operating temperature range of these units to be -40°C to +85°C in a 24 pin DIP package with industry-standard footprint. Further features include wide 2 : 1 input voltage range, remote on/off control, short-circuit protection and over voltage protection. Over Voltage Protection: Clamp Mode Meet EN55022, Class A (Radiation) Shielded Metal Case with Insulated Baseplate Lead Free Design, RoHS Compliant 24pin DIP Package with Industry-Standard Footprint Customer Design Available 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 All specifications are typical at nominal input, full load and 25°C unless otherwise stated. BOB8-12S0 Output Voltage (Vdc) 3.3 BOB8-12S1 5 62 1500 3.4 791 82 3300 BOB8-12S2 12 0 665 24 812 87 650 15 0 535 24 832 85 400 ±5 0 ±800 27 865 83 1650 BOB8-12D2 ±12 0 ±335 31 812 86 160 BOB8-12D3 ±15 0 ±265 28 824 86 270 BOB8-24S0 3.3 88 2000 3.6 366 79 6800 BOB8-24S1 5 20 1500 9.3 405 83 3300 BOB8-24S2 12 0 665 14 432 85 440 15 0 535 15 416 85 280 ±5 0 ±800 14 427 83 1650 BOB8-24D2 ±12 0 ±335 17 411 86 170 BOB8-24D3 ±15 0 ±265 17 407 87 180 BOB8-48S0 3.3 72 2000 2 183 80 6800 BOB8-48S1 5 0 1500 5 200 83 3300 BOB8-48S2 12 0 665 7 205 86 400 15 0 535 7 203 86 200 ±5 0 ±800 6 213 83 1750 BOB8-48D2 ±12 0 ±335 7 205 86 120 BOB8-48D3 ±15 0 ±265 8 203 87 250 Model Number Input Voltage Range 9~18V BOB8-12S3 Nominal:12Vdc BOB8-12D1 18~36V BOB8-24S3 Nominal:24Vdc BOB8-24D1 36~75V BOB8-48S3 Nominal:48Vdc BOB8-48D1 E-mail: [email protected] Output Current (mA) Min. Load (1) Input Current (mA) Full. Load No Load Full Load 82 2000 6.8 733 http://www.bothhandUSA.com Rev:20100211A (2) Eff . Capacitive max. (%) Load, (3) (uF) 79 6800 Page 1 of 4 Isolated DC-DC Converters BOB8 Series -- 8 Watt BOTHHAND USA Input Specifications Input Voltage 12V nominal input 9-18Vdc 24V nominal input 18-36Vdc 48V nominal input 36-75Vdc Input filter Pi Type 12V input 25Vdc Input surge voltage 24V input 50Vdc (100ms max.) 48V input 100Vdc Input reflected ripple current Nominal Vin and full load Start up time Nominal Vin and constant resistive load Remote ON/OFF 30mAp-p typ. 600ms typ. Open or 3.5V＜Vr＜12V Converter: ON Short Converter: OFF (4) or 0V＜Vr＜1.2V Sourcing current of remote control pin Nominal Vin ＜0.2 mA Idle input current (at Remote OFF state) Nominal Vin ＜2.5 mA Environmental Specifications Operating ambient temperature -40°C to +85°C (with derating) Maximum case temperature +100°C Storage temperature range -55°C to +105°C Relative humidity 5% to 95% RH Temperature coefficient ±0.02% / °C max. EMC Characteristics EMI EN55022 (radiation) Meet class A Output Specifications Output power Voltage accuracy 8 Watts max. Full load and nominal Vin ±2% Minimum load Line regulation See table LL to HL at full load 25% load to full load Load Regulation Balanced load ±0.2% Single ±1% Dual ±1% Unbalanced load 25% to 100% full load Ripple and Noise ±5% 20MHz bandwidth 60mVp-p max. 3.3Vout models 3.9V Over voltage protection 5Vout models 6.2V (Zener Diode Clamp) 12Vout models 15V 15Vout models 18V Capacitive load Over load protection See table % of full load at nominal input Short circuit protection Transient response settling time E-mail: [email protected] 150% typ. Continuous, automatic recovery 50% load step change http://www.bothhandUSA.com 200µs typ. Rev:20100211A Page 2 of 4 Isolated DC-DC Converters BOB8 Series -- 8 Watt BOTHHAND USA Transient response over shoot di/dt=0.8A/µs ≤ ±5% of Vo Efficiency Nominal input See table Isolation voltage Input to output General Specifications Isolation resistance 1500Vdc 9 500Vdc 10 Ohms min. Isolation capacitance 300pF typ. Switching frequency 300kHz typ. 6 Reliability, calculated MTBF 3.76 × 10 Hrs Physical Specifications Case material Nickel-coated copper Base material Non-conductive black plastic Potting material Silicon rubber (UL94V-0) 1.25 × 0.80 × 0.40 Inch Dimensions (31.75 × 20.32 × 10.16 mm) Weight 17.2g (0.59oz) typ. BOB8 Series Output Power (%) Power Derating Curve(5) Ambient Temp.TA (℃ ℃) BOB8-48S1 Output Current vs. Efficiency Efficiency (%) Efficiency (%) BOB8-48S1 Input voltage vs. Efficiency Input voltage (V) E-mail: [email protected] Output Current (A) http://www.bothhandUSA.com Rev:20100211A Page 3 of 4 Isolated DC-DC Converters BOB8 Series -- 8 Watt BOTHHAND USA BOB8-48S1 BOB8-48S1 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 2,3). 5. Based on BOB8-48S1. Mechanical Dimensions Pin 1 2 3 9 11 14 16 22 23 Pin Assignment Single Dual Remote On/Off Remote On/Off -Vin -Vin -Vin -Vin No function Common No function -Vout +Vout +Vout -Vout Common +Vin +Vin +Vin +Vin Unit: mm [inch] Tolerance:±0.5[0.02] Specifications subject to change without notice. E-mail: [email protected] http://www.bothhandUSA.com Rev:20100211A Page 4 of 4