® MKW2000 SERIES DC/DC CONVERTER 12W FEATURES ►2”x 1”x 0.4” Metal Package ►Ultra-wide 4:1 Input Range ►Operating Temp. Range –40°C to +85°C ►Short Circuit Protection ►I/O-isolation 1500 VDC ►Input Filter meets EN 55022,class A and FCC, level A ►3 Years Product Warranty PRODUCT OVERVIEW The MINMAX MKW2000 series is a range of isolated 12W DC/DC converter modules featuring fully regulated output voltages and ultra-wide 4:1 input voltage ranges.The product comes in a 2”x 1”x 0.4” metal package with industry standard pinout. An excellent efficiency allows an operating temperature range of –40° to +85°C (with derating). Typical applications for these converters are in battery operated equipment and instrumentation, distributed power systems, data communication and general industrial electronics. Model Selection Guide Model Input Output Output Number Voltage Voltage Current (Range) VDC MKW2021 MKW2022 MKW2023 MKW2024 MKW2025 MKW2026 MKW2027 MKW2031 MKW2032 MKW2033 MKW2034 MKW2035 MKW2036 MKW2037 24 (9 ~ 36) 48 (18 ~ 75) VDC 3.3 5 12 15 ±5 ±12 ±15 3.3 5 12 15 ±5 ±12 ±15 Input Current Over Max. capacitive Voltage Load Max. Min. @Max. Load @No Load Protection mA 2400 2000 1000 800 ±1000 ±500 ±400 2400 2000 1000 800 ±1000 ±500 ±400 mA 240 200 100 80 ±100 ±50 ±40 240 200 100 80 ±100 ±50 ±40 mA(typ.) 423 508 595 595 508 595 595 212 254 298 298 254 298 298 mA(typ.) VDC(typ.) 3.9 6.8 15 18 ±6.8 ±15 ±18 3.9 6.8 15 18 ±6.8 ±15 ±18 10 5 Efficiency (typ.) @Max. Load μF 470 150# 470 150# % 78 82 84 84 82 84 84 78 82 84 84 82 84 84 # For each output Input Specifications Parameter Model 24V Input Models 48V Input Models 24V Input Models 48V Input Models 24V Input Models 48V Input Models Input Surge Voltage (1 sec. max.) Start-Up Threshold Voltage Under Voltage Shutdown Reverse Polarity Input Current Short Circuit Input Power Internal Power Dissipation Conducted EMI E-mail:[email protected] 2012/03/19 REV:4 All Models Tel:886-6-2923150 Page 1 of 4 Min. -0.7 -0.7 Typ. Max. Unit 42 --84 --8 8.5 9 VDC 14 16 18 7 8 8.5 13 15 17 ----1 A ----3500 mW ----5000 mW Compliance to EN 55022,class A and FCC part 15,class A ® MKW2000 SERIES DC/DC CONVERTER 12W Output Specifications Parameter Output Voltage Setting Accuracy Output Voltage Balance Line Regulation Conditions At 50% Load and Nominal Vin Dual Output, Balanced Loads Vin=Min. to Max. Io=10% to 100% (3.3Vo) Io=10% to 100% Load Regulation Ripple & Noise (20MHz) Transient Recovery Time Transient Response Deviation Temperature Coefficient Over Load Protection Short Circuit Protection 25% Load Step Change Foldback Min. ------------------120 Typ. --±0.5 ±0.1 ±0.8 ±0.2 50 150 ±1.5 ±0.01 TBD Max. ±1.0 ±2.0 ±0.5 ±1.0 ±0.5 75 250 ±2.5 ±0.02 --- Unit %Vom. % % % % mV P-P μsec % %/℃ % Continuous General Specifications Parameter Conditions I/O Isolation Voltage (rated) Min. Typ. Max. Unit 60 Seconds 1500 --- --- VDC I/O Isolation Resistance 500 VDC 1000 --- --- MΩ I/O Isolation Capacitance 100KHz, 1V --- 500 650 pF 300 350 400 KHz 700,000 --- --- Hours Switching Frequency MTBF (calculated) MIL-HDBK-217F@25℃, Ground Benign Safety Approvals UL/cUL 60950-1 recognition(UL certificate), IEC/EN 60950-1 Input Fuse 24V Input Models 48V Input Models 1500mA Slow-Blow Type 750mA Slow-Blow Type Environmental Specifications Parameter Operating Ambient Temperature Range (See Power Derating Curve) Conditions Min. Max. Unit Natural Convection -40 +85 ℃ ℃ Case Temperature --- +90 Storage Temperature Range -50 +125 ℃ Humidity (non condensing) --- 95 % rel. H 260 ℃ Cooling Free-Air convection Lead Temperature (1.5mm from case for 10Sec.) --- Output Power (%) Power Derating Curve E-mail:[email protected] 2012/03/19 REV:4 Tel:886-6-2923150 Page 2 of 4 ® MKW2000 SERIES DC/DC CONVERTER 12W 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 0-20MHz. 4 These power converters require a minimum output loading to maintain specified regulation, operation under no-load conditions will not damage these modules; 5 All DC/DC converters should be externally fused at the front end for protection. however they may not meet all specifications listed. 6 Other input and output voltage may be available, please contact factory. 7 To order the converter with Remote On/Off function, add suffix RC (e.g. MKW2021-RC) to order code. 8 That “natural convection” is about 20LFM but is not equal to still air (0 LFM). 9 Specifications subject to change without notice. Package Specifications Mechanical Dimensions 3 Bottom View -Vin -Vin 3 +Vout +Vout 4 No Pin Common 5 -Vout -Vout 6 Remote On/Off Remote On/Off NC: No Connection 6 2 15.2 [0.60] 1 Dual Output +Vin 2 50.8 [2.00] 5 4 1.00 [ 0.04] 10.16 [0.40] 10.16 [0.40] 20.32 [0.80] 2.54 [0.10] Pin Connections Pin Single Output 1 +Vin ►All 7.62 5.08 [0.30] [0.20] 7.62 [0.30] 6.0 [0.24] Physical Characteristics Case Size : 50.8x25.4x10.2mm (2.0x1.0x0.4 inches) Case Material : Metal with Non-Conductive Baseplate Pin Material : Copper Alloy with Gold Plate Over Nickel Underplate Weight : 31.7g 2012/03/19 REV:4 Tel:886-6-2923150 Page 3 of 4 (X.XX±0.01) X.XX±0.13 ( X.XXX±0.005) ►Pin 25.4 [1.00] E-mail:[email protected] 10.2 [0.40] dimensions in mm (inches) ►Tolerance: X.X±0.25 diameter 1.0 ±0.05 (0.04±0.002) ® MKW2000 SERIES DC/DC CONVERTER 12W 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. To Oscilloscope + + Battery +Vin Lin DC / DC Converter Current Probe Cin +Out -Vin Load -Out Peak-to-Peak Output Noise Measurement Test Use a Cout 0.47μF ceramic 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. +Vin +Out Copper Strip Single Output DC / DC Converter -Vin Cout -Out Scope Resistive Load Copper Strip +Vin +Out Copper Strip Dual Output DC / DC Converter Com. Copper Strip -Vin -Out Scope Cout Resistive Load Cout Scope 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. Negative logic remote on/off turns the module off during a logic low and on during a logic high. 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 open collector or equivalent. A logic low is -0.7V to 0.8V. A logic high is 2.5V to 5.5V. The maximum sink current at on/off terminal during a logic low is 100 μA. The maximum allowable leakage current of the switch at on/off terminal = 2.5 to 5.5V is 50μA. Overcurrent Protection To provide protection in a fault (output overload) condition, the unit is equipped with internal current limiting circuitry and can endure current limiting for an unlimited duration. At the point of current-limit inception, the unit shifts from voltage control to current control. The unit operates normally once the output current is brought back into its specified range. 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 < 1.0Ω at 100 KHz) capacitor of a 10μF for the 24V input devices and a 4.7μF for the 48V devices. + DC Power Source +Vin + +Out DC / DC Converter Load Cin - -Vin -Out 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 3.9μF capacitors at the output. + +Vin DC Power Source - +Out Single Output DC / DC Converter -Vin + Cout Load -Out +Vin DC Power Source - +Out Dual Output DC / DC Com. Converter -Vin -Out Cout Load Load Cout Maximum Capacitive Load The MKW2000 series has limitation of maximum connected capacitance at the output. The power module may be operated in current limiting mode during start-up, affecting the ramp-up and the startup time. For optimum performance we recommend 150μF maximum capacitive load for dual outputs and 470μF capacitive load for single outputs. 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 90℃. The derating curves are determined from measurements obtained in a test setup. Position of air velocity probe and thermocouple 15mm / 0.6in 50mm / 2in Air Flow DUT 18, Sin Sin Road, An-Ping Industrial District, Tainan 702, Taiwan Tel: 886-6-2923150 Fax: 886-6-2923149 E-mail: [email protected] Minmax Technology Co., Ltd. 2012/03/19 REV:4 Page 4 of 4