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Technical content
Features
/circle6Wide 2 : 1 Input Voltage Range(9~18V,18~36V,36~75V) /circle6Input / Output Isolation Voltage: 1.5kVDC /circle6High Efficiency /circle6High Power Density /circle6Extended Operating Temperature Range: )55°C to+95°C /circle6Output Short Circuit Protection: Continuous & Auto Recovery /circle6Over Voltage Protection: Clamp Mode /circle6Fixed Switching Frequency /circle6Shielded Metal Case with Insulated Baseplate /circle6Lead Free Design, RoHS Compliant /circle6Industry Standard Pinout /circle6Customer Design Available /circle6Meet Safety Standard : IEC / EN60950)1 Te chnical Specification All specifications are typical at nominal input, full load and 25°C unless otherwise stated. Output Current (mA) Input Current (mA) Model Number Input Voltage Range Output Voltage (Vdc) Min. Load (1) Full. Load No Load Full Load Eff .(2) (%) Capacitive Load, max. (3) (uF) MRD5)12S1 5 0 1000 17 555 79 1000 MRD5)12S2 12 0 416 21 527 83 220 MRD5)12D3 9~18V Nominal:12Vdc ±15 0 ±167 27 543 81 47 MRD5)24S1 5 0 1000 9 278 79 1000 MRD5)24S2 12 0 416 12 267 82 200 MRD5)24D3 18~36V Nominal:24Vdc ±15 0 ±167 15 268 82 47 MRD5)48S1 5 0 1000 5 139 79 1000 MRD5)48S2 12 0 416 7 134 82 133 MRD5)48D3 36~75V Nominal:48Vdc ±15 0 ±167 8 134 82 47
Description
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.
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.
E)mail: sales@bothhandusa.com http://www.bothhandusa.com Rev:20150827A Page 2 of 7 Isolated DC-DC Converters MRD5 Series -- 5 Watt Input Specifications 12V nominal input 9)18V 24V nominal input 18)36V Input Voltage 48V nominal input 36)75V Input filter Pi Type Input surge voltage 12V nominal input 25V (100ms max.) 24V nominal input 50V
48 V 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 5 Watts max. Voltage accuracy Full load and nominal Vin ±1% Minimum load See table Line regulation LL to HL at full load ±0.8% 25% load to full load Single ±1.0% Balanced load Dual ±1.0% Load Regulation Unbalanced load 25% to 100% full load ±5% Ripple and Noise 20MHz bandwidth 75 mVp)p max. 5Vout models 6.2V 12Vout models 15V Over voltage protection (Zener Diode Clamp) 15Vout models 18V Capacitive load See table Over load protection % of full load at nominal input 150% typ. Short circuit protection Continuous, automatic recovery Transient response settling time 50% load step change 1300us typ. Transient response over shoot di/dt=0.8A/µs ≤ ±5% of Vo General Specifications Efficiency Nominal input See table Isolation voltage Input to output 1500VDC Isolation resistance 500VDC 109Ohms min.
E)mail: sales@bothhandusa.com http://www.bothhandusa.com Rev:20150827A Page 3 of 7 Isolated DC-DC Converters MRD5 Series -- 5 Watt Isolation capacitance 580pF typ. Switching frequency Pulse width modulation (PWM) 300kHz typ. Reliability, calculated MTBF 1.19× 10 6Hrs 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 Weight 17.4g (0.62oz) typ. Pow er Derating Curve Ambient Temp.TA (℃℃ ℃℃) MRD5-48S1 MRD5-48S1 Input voltage vs. Efficiency Output Current vs. Efficiency Input voltage (V) Output Current (A) Output Power (%) Efficiency (%) Efficiency (%) 36 40 44 48 52 56 60 64 68 75 0 .1 0.2 0.3 0.4 0.5 0.6 0. 7 0.8 0. 9 100 120 -55 -35 -15 5 25 45 65 85 105 125 62 95
E)mail: sales@bothhandusa.com http://www.bothhandusa.com Rev:20150827A Page 4 of 7 Isolated DC-DC Converters MRD5 Series -- 5 Watt MRD 5-48S1 MRD5-48S1 Transient Response at 50%~100% Max Load Loop Gain & Phase at Vi=48V,Full Load Note 1.I o 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 Spe cifications subject to change without notice. Pin Assignment Pin Single Dual 1 +Vin +Vin 2 )Vin )Vin 3 +Vout +Vout
4 No pin Common
5 )Vout )Vout Unit: mm [inch] Tolerance:±0.5[0.02]
E)mail: sales@bothhandusa.com http://www.bothhandusa.com Rev:20150827A Page 5 of 7 Isolated DC-DC Converters MRD5 Series -- 5 Watt
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. ◎DC Power Supply: It offers a wide voltage and current range precisely. ◎Current meter (A): Accuracy/barb4right 200μA ~ 200mA 4 ranges+(0.2% rdg + 2 digits) 2000mA ~ 20A 2 ranges+ (0.3% rdg + 2 digits). ◎Voltage meter (V): Accuracy/barb4right +(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 /barb4right4.5~5.5V 12V nominal input /barb4right10.8~13.2V 24V nominal input /barb4right21.6~26.4V Wide input voltage range 2:1 5V nominal input /barb4right4.5~9V 12V nominal input /barb4right9~18V 24V nominal input /barb4right18~36V 48V nominal input /barb4right36~75V Wide input voltage range 4:1 (W) 24V nominal input /barb4right9~36V 48V nominal input /barb4right18~75V DC Power Supply A V LoadDC/DC converter V A DC Power Supply A V LoadDC/DC converter V A
E)mail: sales@bothhandusa.com http://www.bothhandusa.com Rev:20150827A Page 6 of 7 Isolated DC-DC Converters MRD5 Series -- 5 Watt 2.Input power : Pin = Vin x Iin Vin：In put voltage Iin：Input current 3.Output power : Pout = Vout x Iout Vout：Ou tput voltage Iout：Output current 4.Efficiency : Pout: Output power Pin: Input power 5.Voltage accuracy: Vout：Output voltage Vout(nominal)：Nominal output voltage 6.L ine regulation: (1) Wide input voltage range and regulated output voltage series. (2) Narrow input voltage range（±1 0%）and unregulated output voltage series. ΔΔ ΔΔVout = 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 ΔΔ ΔΔVin = 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(FL): Output voltage at full load Vout(NL): Output voltage at 25% full load or 10% full load Vout 00% Efficiency = x100% Pout Pin Vout(LL) LL: Low Line input voltage HL: High Line input voltage x100% ΔΔ ΔΔVout ΔΔ ΔΔVin Line regulation=
E)mail: sales@bothhandusa.com http://www.bothhandusa.com Rev:20150827A Page 7 of 7 Isolated DC-DC Converters MRD5 Series -- 5 Watt Noise Ripple Ripple&Noise 8.Ripple and Noise: as shown below. The bandwidth is 0)20MHz. Output Ripple&Noise measurement test circuit: as shown below. 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. Ambient Temp.TA (℃℃ ℃℃) .Switching frequency: The nominal operating frequency of the DC)DC converters. .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. LoadDC/DC converter Oscilloscope Copper strip Copper strip Co LoadDC/DC converter Oscilloscope Copper strip Copper strip LoadDC/DC converter Oscilloscope Copper strip Copper strip Co Output Power (%) 100 120 -55 -35 -15 5 25 45 65 85 105 125 95 100