MKW40-48S05

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►Smallest Encapsulated 40W Converter! ►Package Size 2.0”x 1.0”x 0.4” ►Wide 2:1 lnput Range ►Excellent Efficiency up to 92% ►Operating Temp. Range -40°C to +80°C ►Over-temperature Protection ►I/O-isolation Voltage 1500VDC ►Remote On/Off Control ►Shielded Metal Case with Isolated Baseplate ►Heatsink (Optional) ►CSA/UL/IEC/EN 60950-1 Safety Approval ►3 Years Product Warranty PRODUCT OVERVIEW The MKW40 series is a new generation of high performance dc-dc converter modules setting a new standard concerning power density. The product offers fully 40W in an encapsulated, shielded metal package with dimensions of just 2.0”x1.0”x0.4”. All models provide wide 2:1 input voltage range and precisely regulated output voltages. Advanced circuit topology provides a very high efficiency up to 92% which allows an op erating temperature range of -40°C to +80°C. Further features include remote On/Off, trimmable output voltage, under-voltage shutdown as well as overload and over-temperature protection. Typical applications for these converters are battery operated equipment, instrumentation,distributed power architectures in communication and industrial electronics and many other space critical applications. Model Selection Guide Output Current Input Current Efficiency (typ.) Input Voltage (Range) Output Voltage Max. Min. @Max. Load @No Load Reflected Ripple Current Over Voltage Protection Max. capacitive Load @Max. Load Model Number VDC VDC mA mA mA(typ.) mA(typ.) mA (typ.) VDC μF % MKW40-12S033 3.3 8000 0 2470 120 3.9 21000 89 MKW40-12S05 5 8000 0 3750 160 6.2 13600 89 MKW40-12S12 12 3330 0 3750 160 15 2400 89 MKW40-12S15 15 2670 0 3700 150 18 1500 90 MKW40-12S24 24 1670 0 3790 160 30 600 88 MKW40-12D12 ±12 ±1670 ±145 3790 70 ±15 1200# 88 MKW40-12D15 (9 ~ 18) ±15 ±1330 ±110 3790 60 ±18 750# 88 MKW40-24S033 3.3 8000 0 1220 75 3.9 21000 90 MKW40-24S05 5 8000 0 1830 80 6.2 13600 91 MKW40-24S12 12 3330 0 1830 85 15 2400 91 MKW40-24S15 15 2670 0 1830 75 18 1500 91 MKW40-24S24 24 1670 0 1850 85 30 600 90 MKW40-24D12 ±12 ±1670 ±145 1870 50 ±15 1200# 89 MKW40-24D15 (18 ~ 36) ±15 ±1330 ±110 1870 45 ±18 750# 89 MKW40-48S033 3.3 8000 0 610 40 3.9 21000 90 MKW40-48S05 5 8000 0 920 50 6.2 13600 91 MKW40-48S12 12 3330 0 910 50 15 2400 92 MKW40-48S15 15 2670 0 910 50 18 1500 92 MKW40-48S24 24 1670 0 920 50 30 600 90 MKW40-48D12 ±12 ±1670 ±145 940 65 ±15 1200# 89 MKW40-48D15 (36 ~ 75) ±15 ±1330 ±110 940 65 ±18 750# 89 # For each output Total Power InTotal Power International, Inc Toll Free: 877-646-0900 www.total-power.com

DC/DC CONVERTER 40W, Highest Power Density Input Specifications Parameter Model Min. Typ. Max. Unit 12V Input Models -0.7 --- 25 24V Input Models -0.7 --- 50 Input Surge Voltage (1 sec. max.) 48V Input Models -0.7 --- 100 12V Input Models --- --- 9 24V Input Models --- --- 18 Start-Up Threshold Voltage 48V Input Models --- --- 36 12V Input Models --- 8.3 --- 24V Input Models --- 16.5 ---Under Voltage Lockout 48V Input Models --- 33 --- VDC Input Polarity Protection None Power Up --- --- 30 ms Start Up Time Remote On/Off Nominal Vin and Constant Resistive Load --- --- 30 ms Internal Filter Type All Models LC Filter (for EN55022,Class A compliance see page 8) Short Circuit Current --- (Hiccup Mode 1.5 Hz typ.) Output Specifications Parameter Conditions Min. Typ. Max. Unit Output Voltage Setting Accuracy At 50% Load and Nominal Vin --- --- ±1.0 %Vnom. Output Voltage Balance Dual Output, Balanced Loads --- --- ±2.0 % Line Regulation Vin=Min. to Max. --- --- ±0.5 % Single Output --- --- ±0.5 % Load Regulation Min. Load to Full Load Dual Output --- --- ±1.0 % Load Cross Regulation (Dual Output) Asymmetrical Load 25%/100% Full Load --- --- ±5.0 % Minimum Load No Minimum Load Requirement for Single Output Models, for dual Output Models see Table Ripple & Noise (20MHz) 3.3V & 5V Output Models --- 100 --- mV P-P Ripple & Noise (20MHz) 12V, 15V & 24V Models --- 150 --- mV P-P Ripple & Noise (20MHz) Dual Output Models --- 150 --- mV P-P Transient Recovery Time 25% Load Step Change --- 250 --- μsec Temperature Coefficient --- --- ±0.02 %/ ℃ Over Load Protection Current Limitation at 150% typ. of Iout max., Hiccup Short Circuit Protection Hiccup Automatic Recovery Over Voltage Protection For Shutdown Voltage see Model Selection Guide General Specifications Parameter Conditions Min. Typ. Max. Unit I/O Isolation Voltage (rated) 60 Seconds 1500 --- --- VDC I/O Isolation Resistance 500 VDC 1000 --- --- M Ω I/O Isolation Capacitance 100KHz, 1V --- --- 1500 pF Switching Frequency --- 320 --- KHz MTBF(calculated) MIL-HDBK-217F@25℃, Ground Benign 328,000 --- --- Hours Safety Approvals UL/cUL 60950-1 recognition(CSA certificate), IEC/EN 60950-1(CB-scheme) Input Fuse 12V Input Models 24V Input Models 48V Input Models 8000mA Slow-Blow Type 4000mA Slow-Blow Type 2000mA Slow-Blow Type Remote On/Off Control Parameter Conditions Min. Typ. Max. Unit Converter On 3.5V ~ 12V or Open Circuit Converter Off 0V ~ 1.2V or Short Circuit Control Input Current (on) Vctrl = 5.0V --- 0.5 --- mA Control Input Current (off) Vctrl = 0V --- -0.5 --- mA Control Common Referenced to Negative Input Standby Input Current Nominal Vin --- 2.5 --- mA Output Voltage Trim Parameter Conditions Min. Typ. Max. Unit Trim Up / Down Range % of nominal output voltage ±10 --- --- % Total Power InTotal Power International, Inc Toll Free: 877-646-0900 www.total-power.com Tota Total Power International, Inc.

DC/DC CONVERTER 40W, Highest Power Density Environmental Specifications Max. Parameter Model Min. without Heatsink with Heatsink Unit MKW40-XXS033 66 73 MKW40-XXS05 MKW40-XXS12 MKW40-XXS15 46 57Operating Ambient Temperature Range (Natural Convection, see Derating) MKW40-XXDXX -40 40 52 Natural Convection without Heatsink 12.0 --- ℃/W Natural Convection with Heatsink 10.0 --- ℃/W 100LFM Convection without Heatsink 9.0 --- ℃/W 100LFM Convection with Heatsink 5.4 --- ℃/W 200LFM Convection without Heatsink 8.0 --- ℃/W 200LFM Convection with Heatsink 4.5 --- ℃/W 400LFM Convection without Heatsink 6.0 --- ℃/W Thermal Impedance 400LFM Convection with Heatsink 3.0 --- ℃/W Case Temperature --- +105 ℃ Thermal Protection Shutdown Temperature 110℃ typ. Storage Temperature Range -50 +125 ℃ Humidity (non condensing) --- 95 % rel. H RFI Six-Sided Shielded, Metal Case Lead Temperature (1.5mm from case for 10Sec.) --- 260 ℃ Power Derating Curve Output Power (%) MKW40-XXS033 Derating Curve without Heatsink MKW40-XXS033 Derating Curve with Heatsink MKW40-XXS05, MKW40-XXS12, MKW40-XXS15 Derating Curve without Heatsink MKW40-XXS05, MKW40-XXS12, MKW40-XXS15 Derating Curve with Heatsink MKW40-XXDXX Derating Curve without Heatsink MKW40-XXDXX Derating Curve with Heatsink Total Power InTotal Power International, Inc Toll Free: 877-646-0900 www.total-power.com Tota Total Power International, Inc.

DC/DC CONVERTER 40W, Highest Power Density Efficiency Curve @25℃ MKW40-12S033 Efficiency vs Load Current MKW40-12S05 Efficiency vs Load Current MKW40-12S12 Efficiency vs Load Current MKW40-12S15 Efficiency vs Load Current MKW40-12D12 Efficiency vs Load Current MKW40-12D15 Efficiency vs Load Current 100 10 20 30 40 50 60 70 80 90 100 % of Full Load Efficiency(%) 12V 18V 0 100 10 20 30 40 50 60 70 80 90 100 % of Full Load Efficiency(%) 12V 18V 100 10 20 30 40 50 60 70 80 90 100 % of Full Load Efficiency(%) 12V 18V 0 100 10 20 30 40 50 60 70 80 90 100 % of Full Load Efficiency(%) 12V 18V 100 10 20 30 40 50 60 70 80 90 100 % of Full Load Efficiency(%) 12V 18V 0 100 10 20 30 40 50 60 70 80 90 100 % of Full Load Efficiency(%) 12V 18V Total Power InTotal Power International, Inc Toll Free: 877-646-0900 www.total-power.com Tota Total Power International, Inc.

DC/DC CONVERTER 40W, Highest Power Density Efficiency Curve @25℃ MKW40-24S033 Efficiency vs Load Current MKW40-24S05 Efficiency vs Load Current MKW40-24S12 Efficiency vs Load Current MKW40-24S15 Efficiency vs Load Current MKW40-24D12 Efficiency vs Load Current MKW40-24D15 Efficiency vs Load Current 100 10 20 30 40 50 60 70 80 90 100 % of Full Load Efficiency(%) 18V 24V 36V 0 100 10 20 30 40 50 60 70 80 90 100 % of Full Load Efficiency(%) 18V 24V 36V 100 10 20 30 40 50 60 70 80 90 100 % of Full Load Efficiency(%) 18V 24V 36V 0 100 10 20 30 40 50 60 70 80 90 100 % of Full Load Efficiency(%) 18V 24V 36V 100 10 20 30 40 50 60 70 80 90 100 % of Full Load Efficiency(%) 18V 24V 36V 0 100 10 20 30 40 50 60 70 80 90 100 % of Full Load Efficiency(%) 18V 24V 36V Total Power InTotal Power International, Inc Toll Free: 877-646-0900 www.total-power.com Tota Total Power International, Inc.

DC/DC CONVERTER 40W, Highest Power Density Efficiency Curve @25℃ MKW40-48S033 Efficiency vs Load Current MKW40-48S05 Efficiency vs Load Current MKW40-48S12 Efficiency vs Load Current MKW40-48S15 Efficiency vs Load Current MKW40-48D12 Efficiency vs Load Current MKW40-48D15 Efficiency vs Load Current 100 10 20 30 40 50 60 70 80 90 100 % of Full Load Efficiency(%) 36V 48V 75V 0 100 10 20 30 40 50 60 70 80 90 100 % of Full Load Efficiency(%) 36V 48V 75V 100 10 20 30 40 50 60 70 80 90 100 % of Full Load Efficiency(%) 36V 48V 75V 0 100 10 20 30 40 50 60 70 80 90 100 % of Full Load Efficiency(%) 36V 48V 75V 100 10 20 30 40 50 60 70 80 90 100 % of Full Load Efficiency(%) 36V 48V 75V 0 100 10 20 30 40 50 60 70 80 90 100 % of Full Load Efficiency(%) 36V 48V 75V Total Power InTotal Power International, Inc Toll Free: 877-646-0900 www.total-power.com Tota Total Power International, Inc.

DC/DC CONVERTER 40W, Highest Power Density Notes 1 Specifications typical at Ta=+25 ℃, resistive load, nominal input voltage and rated output current unless otherwise noted. 2 Transient recovery time is measured to within 1% error band for a step change in output load of 75% to 100%. 3 Ripple & Noise measurement bandwidth is 20 MHz, measured with a 1μF M/C and a 10μF T/C. 4 All DC/DC converters should be externally fused at the front end for protection. 5 Other input and output voltage may be av ailable, please contact factory. 6 To order the converter with heatsink, please add a suffix –HS (e.g.MKW40-12S05-HS) to order code. 7 To order the converter without Re mote On/Off function, please add a suffix -N (e.g.MKW40-12S05-N) to order code. 8 That “natural convection” is about 20LFM but is not equal to still air (0 LFM). 9 Specifications are subject to change without notice. Package Specifications Mechanical Dimensions Pin Connections Pin Single Output Dual Output 1 +Vin +Vin 2 -Vin -Vin

3 Remote On/Off Remote On/Off

6 Trim -Vout

►All dimensions in mm (inches) ►Tolerance: X.X±0.25 (X.XX±0.01) X.XX±0.13 ( X.XXX±0.005) ►Pin diameter  1.0 ±0.05 (0.04±0.002) Physical Characteristics Case Material : Aluminium Alloy, Black Anodized Coating Base Material : FR4 PCB (flammability to UL 94V-0 rated) Pin Material : Copper Alloy with Gold Plate Over Nickel Subplate Weight : 30g Heatsink (Option –HS) Physical Characteristics Heatsink Material : Aluminum Finish : Black Anodized Coating Weight : 9g ►The advantages of adding a heatsink are: 1. To help heat dissipation and increase the stability and reliability of DC/DC converters at high operating temperature atmosphere. 2. To upgrade the operating temperature of DC/DC converters, please refer to Derating Curve. 10.16 25.4 [1.00] [0.40] 10.16 [0.40] 2.54 [0.10] 10.16 [0.40] 5.08 [0.20] Bottom View 45.72 [1.80] 50.8 [2.00] 11.0 [0.43] 5.5 [0.22] 1.00 [ 0.04] 6 54 1 23 3.6 [0.14] 1.1 [0.04] 31.0 [1.22]Max Heat-sink Thermal pad Clamp Converter 23.0 [0.91] 18.0 [0.71]Max Total Power InTotal Power International, Inc Toll Free: 877-646-0900 www.total-power.com Tota Total Power International, Inc.

DC/DC CONVERTER 40W, Highest Power Density EMI-Filter to meet EN 55022, class A; FCC part 15 ,level A Conducted and radiated emissions EN55022 Class A Part No. MKW40-12SXX MKW40-24SXX MKW40-48SXX C1 10μ F/25V 1812 MLCC 4.7 μF/50V 1812 MLCC 2.2 μF/100V 1812 MLCC C2 & C3 1000pF/2KV 1808 MLCC 1000pF/2KV 1808 MLCC 1000pF/2KV 1808 MLCC Part No. MKW40-12DXX MKW40-24DXX MKW40-48DXX C1 10μ F/25V 1812 MLCC 4.7 μF/50V 1812 MLCC 2.2 μF/100V 1812 MLCC C2 & C4 1000pF/2KV 1808 MLCC 1000pF/2KV 1808 MLCC 1000pF/2KV 1808 MLCC External Output Trimming Output can be externally trimmed by using the method shown below MKW40-XXS033 Trim Table Trim down 1 2 3 4 5 6 7 8 9 10 % Trim up 1 2 3 4 5 6 7 8 9 10 % MKW40-XXS05 Trim Table Trim down 1 2 3 4 5 6 7 8 9 10 % Trim up 1 2 3 4 5 6 7 8 9 10 % MKW40-XXS12 Trim Table Trim down 1 2 3 4 5 6 7 8 9 10 % Trim up 1 2 3 4 5 6 7 8 9 10 % MKW40-XXS15 Trim Table Trim down 1 2 3 4 5 6 7 8 9 10 % Trim up 1 2 3 4 5 6 7 8 9 10 % Total Power InTotal Power International, Inc Toll Free: 877-646-0900 www.total-power.com Tota Total Power International, Inc.

DC/DC CONVERTER 40W, Highest Power Density Test Setup Input Reflected-Ripple Current Test Setup Input reflected-ripple current is measured with a inductor Lin (4.7μH) and Cin (220μF, ESR < 1.0Ω at 100 KHz) to simulate source impedance. Capacitor Cin, offsets possible battery impedance. Current ripple is measured at the input terminals of the module, measurement bandwidth is 0-500 KHz. +Out -Out +Vin -Vin DC / DC Converter Load Battery + Lin+ Cin To Oscilloscope Current Probe Peak-to-Peak Output Noise Measurement Test Use a 1μF ceramic capacitor and a 10μF tantalum capacitor. Scope measurement should be made by using a BNC socket, measurement bandwidth is 0-20 MHz. Position the load between 50 mm and 75 mm from the DC/DC Converter. +Out -Out +Vin -Vin Single Output DC / DC Converter Resistive LoadScope Copper Strip Cout Copper Strip +Out -Out +Vin -Vin Dual Output DC / DC Converter Resistive Load Scope Copper Strip Cout Com. ScopeCout Copper Strip Copper Strip Technical Notes Remote On/Off Positive logic remote on/off turns the module on during a logic high voltage on the remote on/off pin, and off during a logic low. To turn the power module on and off, the user must supply a switch to control the voltage between the on/off terminal and the -Vin terminal. The switch can be an o pen collector or equivalent. A logic Overcurrent Protection To provide hiccup mode protection in a fault (output overload) condition, the unit is equipped with internal current limiting circuitry and can endure overload for an unlimited duration. Overvoltage Protection The output overvoltage clamp consists of control circuitry, which is independent of the primary regulation loop, that monitors the voltage on the output terminals. The control loop of the clamp has a higher voltage set point than the primary loop. This provides a redundant voltage control that reduces the risk of output overvoltage. The OVP level can be found in the output data . Input Source Impedance The power module should be connected to a low ac-impedance input source. Highly inductive source impedances can affect the stability of the power module. In applications where power is supplied over long lines and output loading is high, it may be necessary to use a capacitor at the input to ensure startup. Capacitor mounted close to the power module helps ensure stability of the unit, it is recommended to use a good quality low Equivalent Series Resistance (ESR < 1.0 Ω at 100 KHz) capacitor of a 33μF for the 12V input devices and a 10μF for the 24V and 48V devices. +Out -Out +Vin -Vin DC / DC Converter LoadDC Power Source Cin Output Ripple Reduction A good quality low ESR capacitor placed as close as practicable across the load will give the best ripple and noise performance. To reduce output ripple, it is recommended to use 4.7μF capacitors at the output. +Out -Out +Vin -Vin Load DC Power Source Cout Single Output DC / DC Converter +Out -Out +Vin -Vin Load DC Power Source CoutCom. Dual Output DC / DC Converter Load Cout Maximum Capacitive Load The MKW40 series has limitation of maximum connected capacitance at the output. The power module may be operated in current li miting mode during start-up, affecting the ramp-up and the startup time. The maximum capacitance can be found in the data sheet. Thermal Considerations Many conditions affect the thermal performance of the power module, such as orientation, airflow over the module and board spacing. To avoid exceeding the maximum temperature rating of the components inside the power module, the case temperature must be kept below 105℃. The derating curves are determined from measurements obtained in a test setup. DUT Position of air velocity probe and thermocouple 50mm / 2in Air Flow 15mm / 0.6in Total Power InTotal Power International, Inc Toll Free: 877-646-0900 www.total-power.com Tota Total Power International, Inc.