MEW1000 SERIES ® DC/DC CONVERTER 2W, SIP-Package FEATURES ►High Power Density in SIP-9 Package ►Small Footprint: 26 x 9.2 mm (1.02”x 0.36”) ►Ultra-wide 4:1 Input Range ►Fully Regulated Output ►Operating Temp. Range -40°C to +85°C ►Overload Protection ►I/O-Isolation Voltage 1500 VDC ►Remote On/Off Control ►3 Years Product Warranty PRODUCT OVERVIEW The MINMAX MEW1000 series is a range of isolated 2W DC/DC converter modules featuring fully regulated output and ultra-wide 4:1 input voltage ranges. The product comes in a SIP-9 package with a very small footprint occupying only 2.4 cm2 (0.36 square in.) on the PCB. An excellent efficiency allows an operating temperature range of -40°C to +85°C. Further features include remote On/Off control and over load protection. The very compact dimensions of these DC/DC converters make them an ideal solution for many space critical applications in battery-powered equipment and instrumentation. Model Selection Guide Model Number MEW1021 MEW1022 MEW1023 MEW1024 MEW1025 MEW1026 MEW1027 MEW1031 MEW1032 MEW1033 MEW1034 MEW1035 MEW1036 MEW1037 Input Voltage (Range) VDC 24 (9 ~ 36) 48 (18 ~ 75) Output Voltage VDC 3.3 5 12 15 ±5 ±12 ±15 3.3 5 12 15 ±5 ±12 ±15 Output Current Max. mA 500 400 167 134 ±200 ±83 ±67 500 400 167 134 ±200 ±83 ±67 Min. mA 125 100 42 33 ±50 ±21 ±17 125 100 42 33 ±50 ±21 ±17 Input Specifications Parameter Under Voltage Shutdown Reverse Polarity Input Current Short Circuit Input Power Internal Filter Type 20 300 15 600 48V Input Models -0.7 --- All Models Tel:886-6-2923150 Page 1 of 4 µF 2200 1000 170 110 470# 100# 47# 2200 1000 170 110 470# 100# 47# --- Max. 50 4.5 8.5 ----- 6 12 ----- 8.5 17 8 16 --- --- -0.7 --- --- E-mail:[email protected] Max. capacitive Load # For each output Typ. Internal Power Dissipation 2013/02/04 REV:7 @No Load mA(typ.) Min. 24V Input Models 48V Input Models 24V Input Models 48V Input Models Start-Up Threshold Voltage @Max. Load mA(typ.) 97 110 106 105 114 108 106 49 58 54 54 60 55 55 Reflected Ripple Current mA(typ.) Model 24V Input Models Input Surge Voltage (1 sec. max.) Input Current Unit 100 --- --- Efficiency (typ.) @Max. Load % 71 76 79 80 73 77 79 70 72 78 78 70 76 76 0.5 Capacitor type VDC A 1500 mW 2500 mW MEW1000 SERIES ® DC/DC CONVERTER 2W, SIP-Package Output Specifications Parameter Output Voltage Setting Accuracy Output Voltage Balance Line Regulation Load Regulation Ripple & Noise Transient Recovery Time Transient Response Deviation Temperature Coefficient Output Short Circuit Conditions At 50% Load and Nominal Vin Dual Output, Balanced Loads Vin=Min. to Max. Io=25% to 100% max. 20MHz Bandwidth 25% Load Step Change General Specifications Parameter I/O Isolation Voltage (rated) I/O Isolation Resistance I/O Isolation Capacitance Switching Frequency MTBF (Calculated) Input Fuse Conditions 60 Seconds 500 VDC 100KHz, 1V MIL-HDBK-217F@25℃, Ground Benign 24V Input Models 350mA Slow-Blow Type Remote On/Off Control Parameter Converter On Converter Off Standby Input Current Control Input Current ( on ) Control Input Current ( off ) Control Common Parameter Operating Ambient Temperature Range (See Power Derating Curve) Case Temperature Storage Temperature Range Humidity (non condensing) Cooling Lead Temperature (1.5mm from case for 10Sec.) Output Power (%) Power Derating Curve E-mail:[email protected] Continuous Typ. --±1.0 ±0.3 ±0.5 30 100 ±3 ±0.01 Min. 1500 1000 ----1,000,000 Max. ±2.0 ±2.0 ±0.5 ±0.75 50 300 ±5 ±0.02 Typ. ----250 300 --- Unit %Vnom. % % % mV P-P µsec % %/℃ Max. ----500 ----- Tel:886-6-2923150 Page 2 of 4 Unit VDC MΩ pF KHz Hours 48V Input Models 135mA Slow-Blow Type Conditions Min. Typ. Max. Under 0.6 VDC or Open Circuit, drops down to 0VDC by 2mV/℃ 2.9 to 15 VDC --1 3 Vin = 0V -----1 Vin = 5.0V ----1 Referenced to Negative Input Environmental Specifications 2013/02/04 REV:7 Min. ----------------- Conditions Natural Convection Min. -40 ---55 --Free-Air convection --- Unit mA mA mA Max. +85 +90 +105 95 Unit ℃ ℃ ℃ % rel. H 260 ℃ MEW1000 SERIES ® DC/DC CONVERTER 2W, SIP-Package Notes 1 2 3 4 5 6 7 Specifications typical at Ta=+25℃, resistive load, nominal input voltage and rated output current unless otherwise noted. Transient recovery time is measured to within 1% error band for a step change in output load of 75% to 100%. Ripple & Noise measurement bandwidth is 0-20 MHz. These power converters require a minimum output loading to maintain specified regulation, operation under no-load conditions will not damage these modules; however, they may not meet all specifications listed. All DC/DC converters should be externally fused at the front end for protection. Other input and output voltage may be available, please contact factory. Specifications are subject to change without notice. Package Specifications Mechanical Dimensions 0.5 [0.02] 3.2 [0.13] 12.45 [0.49] 25.95 [1.02] 0.5 [0.02] 2.0 [0.08] 2X2.54 [2X0.10] 3X2.54 [3X0.10] 7.62 [0.30] Pin Connections Pin Single Output 1 -Vin 2 +Vin 3 Remote On/Off 6 +Vout 7 NC 8 NC 9 -Vout Dual Output -Vin +Vin Remote On/Off +Vout Common NC -Vout NC: No Connection 2 3 6 7 8 9 9.25 [0.36] 1 0.25 [0.01] Bottom View 3.0 [0.12] 24.95 [0.98] 0.50 [0.02] Physical Characteristics Case Size Case Material Pin Material Weight : 25.95x9.25x12.45 mm (1.02x0.36x0.49 inches) : : Alloy 42 : Non-Conductive Black Plastic (flammability to UL 94V-0 rated) 6.5g E-mail:[email protected] 2013/02/04 REV:7 Tel:886-6-2923150 Page 3 of 4 ►All dimensions in mm (inches) ►Tolerance: X.X±0.5 (X.XX±0.02) X.XX±0.25 ( X.XXX±0.01) ►Pins ±0.1(±0.004) MEW1000 SERIES ® DC/DC CONVERTER 2W, SIP-Package 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 Current Probe Cin +Out DC / DC Converter -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 Dual Output DC / DC Converter Com. -Vin -Out Copper Strip Scope Cout Resistive Load Copper Strip Cout Scope Copper Strip Technical Notes Remote On/Off Negative logic remote on/off turns the module off during a logic high voltage on the remote on/off pin, and on 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 open collector or equivalent. A logic high is 2.9V to 15V. A logic low is under 0.6 VDC or open circuit, drops down to 0VDC by 2mV/℃. The maximum sink current at on/off terminal during a logic low is 1 mA. The maximum allowable leakage current of the switch at on/off terminal =(under 0.6VDC or open circuit) is 1mA. Maximum Capacitive Load The MEW1000 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. The maximum capacitance can be found in the data sheet. 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 on the input to insure startup. By using a good quality low Equivalent Series Resistance (ESR < 1.0Ω at 100 kHz) capacitor of a 1.5µF for the 24V and 48V devices, capacitor mounted close to the power module helps ensure stability of the unit. + 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 3.3µF 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 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. 2013/02/04 REV:7 Page 4 of 4