Isolated DC-DC Converters BOB12 Series -- 12 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 Over Voltage Protection: Clamp Mode High Efficiency up to 88% Shielded Metal Case with Insulated Baseplate Lead Free Design, RoHS Compliant 24pin DIP Package with Industry-Standard Footprint Customer Design Available The BOB12 Series are isolated 12W 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. 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. Output Voltage (Vdc) Min. Load Full. Load No Load Full Load BOB12-12S9 2.5 0 3500 47 960 80 55100 BOB12-12S0 3.3 0 3500 56 882 82 28000 BOB12-12S1 5.1 0 2400 68 1275 84 19620 12 0 1000 68 1220 86 3530 15 0 800 64 1220 86 2300 BOB12-12D2 ±12 0 ±500 98 1220 86 1660 BOB12-12D3 ±15 0 ±400 65 1220 86 1100 BOB12-24S9 2.5 0 3500 22 468 82 59800 BOB12-24S0 3.3 0 3500 24 609 83 36580 BOB12-24S1 5.1 0 2400 31 630 85 18000 12 0 1000 25 602 87 3730 15 0 800 23 595 88 2420 BOB12-24D2 ±12 0 ±500 26 595 88 1880 BOB12-24D3 ±15 0 ±400 25 595 88 1100 BOB12-48S9 2.5 0 3500 21 237 81 56090 BOB12-48S0 3.3 0 3500 16 305 83 40550 BOB12-48S1 5.1 0 2400 14 315 85 20000 12 0 1000 13 301 87 3960 15 0 800 10 298 88 2750 BOB12-48D2 ±12 0 ±500 298 88 1990 BOB12-48D3 ±15 0 ±400 13 13 301 87 1100 Model Number Input Voltage Range 9~18V BOB12-12S2 Nominal:12Vdc BOB12-12S3 18~36V BOB12-24S2 Nominal:24Vdc BOB12-24S3 36~75V BOB12-48S2 Nominal:48Vdc BOB12-48S3 E-mail: [email protected] 4 Output Current (mA) http://www.bothhandUSA.com Input Current (mA) Rev:20100713W1 (1) Eff . Capacitive max. (%) Load, (2) (uF) Page 1 of Isolated DC-DC Converters BOB12 Series -- 12 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 100mAp-p typ. 75ms typ. Open or 3.5V＜Vr＜12V Converter: ON Short Converter: OFF (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 ＜6 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. Output Specifications Output power Voltage accuracy 12 Watts max. Full load and nominal Vin ±1.2% Minimum load Line regulation See table LL to HL at full load 25% load to full load Load Regulation Balanced load ±0.5% Single ±1% Dual ±1% Unbalanced load 25% to 100% full load Ripple and Noise ±5% 20MHz bandwidth 85mVp-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 Continuous, automatic recovery Transient response settling time 50% load step change Transient response over shoot di/dt=0.8A/µs E-mail: [email protected] 4 150% typ. http://www.bothhandUSA.com 350µs typ. ≤ ±5% of Vo Rev:20100713W1 Page 2 of Isolated DC-DC Converters BOB12 Series -- 12 Watt BOTHHAND USA General Specifications Efficiency Nominal input Isolation voltage Input to output Isolation resistance See table 1500Vdc 9 500Vdc 10 Ohms min. Isolation capacitance 260pF typ. Switching frequency 400kHz typ. 6 Reliability, calculated MTBF 2.11 × 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) 18g (0.62oz) typ. Weight BOB12 Series (4) Output Power (%) Power Derating Curve BOB12-48S1 BOB12-48S1 Input voltage vs. Efficiency Output Current vs. Efficiency 90 85 80 75 70 65 60 55 50 Efficiency (%) Efficiency (%) Ambient Temp.TA (℃ ℃) Input voltage (V) E-mail: [email protected] 4 http://www.bothhandUSA.com 2.4 75 2.16 68 1.96 64 1.68 60 1.44 56 1.2 52 0.96 48 0.72 44 0.48 40 0.24 36 90 85 80 75 70 65 60 55 50 Output Current (A) Rev:20100713W1 Page 3 of Isolated DC-DC Converters BOB12 Series -- 12 Watt BOTHHAND USA BOB12-48S1 BOB12-48S1 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 2,3). 4. Based on BOB12-48S1. 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] 4 http://www.bothhandUSA.com Rev:20100713W1 Page 4 of