Isolated DC-DC Converters MRD5 Series -- 5 Watt BOTHHAND USA Features Wide 2 : 1 Input Voltage Range(9~18V,18~36V,36~75V) High Efficiency High Power Density Input / Output Isolation Voltage: 1.5kVDC Extended Operating Temperature Range: -55°C to+95°C Output Short Circuit Protection: Continuous & Auto Recovery Description Over Voltage Protection: Clamp Mode Fixed Switching Frequency The MRD5 Series are isolated 5W DC/DC converters. Designed with highly efficiency, allow the operating temperature range of these units to be -55°C to +95°C in a 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. Shielded Metal Case with Insulated Baseplate Lead Free Design, RoHS Compliant Industry Standard Pinout Applications Customer Design Available 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. Meet Safety Standard : IEC / EN60950-1 Technical Specification All specifications are typical at nominal input, full load and 25°C unless otherwise stated. Model Number Output Current (mA) Input Voltage Output Voltage (1) Range Full. Load (Vdc) Min. Load MRD5-12S1 Input Current (mA) No Load Full Load (2) Eff . Capacitive max. (%) Load, (3) (uF) 5 0 1000 17 555 79 1000 12 0 416 21 527 83 220 MRD5-12D3 ±15 0 ±167 27 543 81 47 MRD5-24S1 5 0 1000 9 278 79 1000 12 0 416 12 267 82 200 MRD5-24D3 ±15 0 ±167 15 268 82 47 MRD5-48S1 5 0 1000 5 139 79 1000 12 0 416 7 134 82 133 ±15 0 ±167 8 134 82 47 MRD5-12S2 MRD5-24S2 MRD5-48S2 9~18V Nominal:12Vdc 18~36V Nominal:24Vdc 36~75V Nominal:48Vdc MRD5-48D3 E-mail: [email protected] http://www.bothhandusa.com Rev:20150827A Page 1 of 7 Isolated DC-DC Converters MRD5 Series -- 5 Watt 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 Input surge voltage 12V nominal input 25V (100ms max.) 24V nominal input 50V 48V nominal input 100V Input reflected ripple current Nominal Vin and full load 70mAp-p typ. Start up time Nominal Vin and constant resistive load 1300ms typ. Reverse voltage protection 1.0A max Environmental Specifications Operating ambient temperature -55°C to +95°C (with derating) Maximum case temperature +100°C Storage temperature range -55°C to +125°C Relative humidity 5% to 95% RH Temperature coefficient ±0.02% / °C max. Output Specifications Output power Voltage accuracy 5 Watts max. Full load and nominal Vin ±1% Minimum load Line regulation See table LL to HL at full load 25% load to full load Load Regulation Balanced load ±0.8% Single ±1.0% Dual ±1.0% Unbalanced load 25% to 100% full load Ripple and Noise Over voltage protection (Zener Diode Clamp) ±5% 20MHz bandwidth 75mVp-p max. 5Vout models 6.2V 12Vout models 15V 15Vout models 18V Capacitive load Over load protection See table % of full load at nominal input Short circuit protection 150% typ. Continuous, automatic recovery Transient response settling time 50% load step change Transient response over shoot di/dt=0.8A/µs 1300us typ. ≤ ±5% of Vo General Specifications Efficiency Nominal input See table Isolation voltage Input to output 1500VDC Isolation resistance 500VDC E-mail: [email protected] http://www.bothhandusa.com 9 10 Ohms min. Rev:20150827A Page 2 of 7 Isolated DC-DC Converters MRD5 Series -- 5 Watt BOTHHAND USA Isolation capacitance 580pF typ. Switching frequency Pulse width modulation (PWM) 300kHz typ. 6 Reliability, calculated MTBF 1.19× 10 Hrs Physical Specifications Case material Nickel-coated copper Base material Non-conductive black plastic Potting material Silicon rubber (UL94V-0) 1.0 × 1.0 × 0.4 Inch Dimensions (25.4 × 25.4 × 10.2 mm) Weight 17.4g (0.62oz) typ. Output Power (%) Power Derating Curve 120 100 80 60 40 20 0 62 -55 -35 -15 5 25 45 95 65 85 105 125 MRD5-48S1 MRD5-48S1 Input voltage vs. Efficiency Output Current vs. Efficiency 85 85 80 75 70 65 60 55 50 45 Efficiency (%) Efficiency (%) Ambient Temp.TA (℃ ℃) 80 75 70 65 60 55 50 45 Input voltage (V) E-mail: [email protected] Output Current (A) http://www.bothhandusa.com Rev:20150827A Page 3 of 7 1 75 0. 9 68 0.8 64 0. 7 60 0.6 56 0.5 52 0.4 48 0.3 44 0.2 40 0 .1 36 Isolated DC-DC Converters MRD5 Series -- 5 Watt BOTHHAND USA MRD5-48S1 MRD5-48S1 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. Mechanical Dimensions Pin 1 2 3 4 5 Pin Assignment Single Dual +Vin +Vin -Vin -Vin +Vout +Vout No pin Common -Vout -Vout Unit: mm [inch] Tolerance:±0.5[0.02] Specifications subject to change without notice. E-mail: [email protected] http://www.bothhandusa.com Rev:20150827A Page 4 of 7 Isolated DC-DC Converters MRD5 Series -- 5 Watt BOTHHAND USA Package Information PS: Unit: mm [inch] L= 285 mm[11.22 inch] ; ONE TUBE = 10 PCS 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 E-mail: [email protected] http://www.bothhandusa.com Rev:20150827A Page 5 of 7 Isolated DC-DC Converters MRD5 Series -- 5 Watt BOTHHAND USA 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 x100% Vout：Output voltage Vout(nominal)：Nominal output voltage ││││ ││││ 6. Line regulation: (1) Wide input voltage range and regulated output voltage series. │Vout(LL)-Vout(HL)│ │ LL: Low Line input voltage x100% HL: High Line input voltage Vout(LL) (2) Narrow input voltage range（±10%）and unregulated output voltage series. Line regulation= ΔVout ΔVin 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 : │Vout(FL)-Vout(NL)│ │ x100% Vout(FL) Vout(FL): Output voltage at full load Vout(NL): Output voltage at 25% full load or 10% full load E-mail: [email protected] http://www.bothhandusa.com Rev:20150827A Page 6 of 7 Isolated DC-DC Converters MRD5 Series -- 5 Watt BOTHHAND USA 8. Ripple and Noise: as shown below. The bandwidth is 0-20MHz. Ripple&Noise Noise Ripple 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 Output Power (%) power-temperature range. As shown below. 120 100 80 60 40 20 0 95 100 -55 -35 -15 5 25 45 65 85 105 125 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. E-mail: [email protected] http://www.bothhandusa.com Rev:20150827A Page 7 of 7