® MSCW01 SERIES DC/DC CONVERTER 1W, SMD Package FEATURES ►Ultra compact SMD Package ►Wide 2:1 lnput Range ►Fully regulated Outputs ►Low Ripple and Noise ►Operating Temp. Range -40°C to +85°C ►I/O-isolation Voltage 1500VDC ►Continuous Short-circuit Protection ►Remote On/Off Control ►Qualified for Lead-free Reflow Process ►CSA/UL/IEC/EN 60950-1 (Approval pending) ► 3 Years Product Warranty PRODUCT OVERVIEW The MSCW01 series is a family of compact 1W dc/dc-converters with wide 2:1 input voltage ranges and tightly regulated output voltages. They work with high efficiency over the full load range and come with a remote On/Off control input. High efficiency to 82% allows operating temperatures up to +75°C without power derating. The very small footprint of these converters make them an ideal solution for many space critical applications in communication equipment, instrumentation and many other battery operated applications. Model Selection Guide Model Input Output Number Voltage Voltage Output Current (Range) VDC MSCW01-05S05 MSCW01-05S12 MSCW01-05S15 MSCW01-05D12 MSCW01-05D15 MSCW01-12S05 MSCW01-12S12 MSCW01-12S15 MSCW01-12D12 MSCW01-12D15 MSCW01-24S05 MSCW01-24S12 MSCW01-24S15 MSCW01-24D12 MSCW01-24D15 MSCW01-48S05 MSCW01-48S12 MSCW01-48S15 MSCW01-48D12 MSCW01-48D15 VDC 5 12 15 ±12 ±15 5 12 15 ±12 ±15 5 12 15 ±12 ±15 5 12 15 ±12 ±15 5 (4.5 ~ 9) 12 (9 ~ 18) 24 (18 ~ 36) 48 (36 ~ 75) Input Current Max. @Max. Load @No Load mA 200 83 67 ±42 ±33 200 83 67 ±42 ±33 200 83 67 ±42 ±33 200 83 67 ±42 ±33 mA(typ.) 256 252 248 255 248 105 105 102 104 103 53 51 51 51 50 26 26 26 26 25 mA(typ.) 40 20 10 7 Max. capacitive Reflected Load Ripple (typ.) current @Max. Load mA (typ.) % 78 79 81 79 80 79 79 82 81 80 79 82 82 82 82 79 80 80 81 81 μF 1680 820 680 470# 330# 1680 820 680 470# 330# 1680 820 680 470# 330# 1680 820 680 470# 330# # For each output E-mail:[email protected] 2012/10/18 REV:0 Tel:886-6-2923150 Page 1 of 4 80 40 30 20 Efficiency ® MSCW01 SERIES DC/DC CONVERTER 1W, SMD Package Input Specifications Parameter Input Surge Voltage (1 sec. max.) Start-Up Threshold Voltage Internal Filter Type Model Min. Typ. Max. 5V Input Models -0.7 --- 15 12V Input Models -0.7 --- 25 24V Input Models -0.7 --- 50 48V Input Models -0.7 --- 100 5V Input Models --- --- 4.5 12V Input Models --- --- 9 24V Input Models --- --- 18 48V Input Models --- --- Unit VDC 36 All Models Capacitor Output Specifications Parameter Output Voltage Setting Accuracy Line Regulation Load Regulation Conditions At 50% Load and Nominal Vin Vin=Min. to Max. Single Output Min. Load to Full Load Dual Output Single Output Io=10% to 90% Dual Output Min.Load Ripple & Noise (20MHz) Transient Recovery Time Temperature Coefficient Short Circuit Protection 25% Load Step Change Min. ------------No minimum Load Requirement ------Continuous Typ. ------------- Max. ±1.0 ±0.2 ±1.0 ±1.0 ±0.5 ±0.8 Unit %Vnom. % % % % % 30 250 --- ----±0.02 mV P-P μsec %/℃ General Specifications Parameter Conditions Min. Typ. Max. Unit 60 Seconds 1500 --- --- VDC I/O Isolation Resistance 500 VDC 1000 --- --- MΩ I/O Isolation Capacitance 100KHz, 1V --- --- 50 pF --- 220 --- KHz 2,800,000 --- --- Hours I/O Isolation Voltage (rated) Switching Frequency MTBF(calculated) MIL-HDBK-217F@25℃, Ground Benign Safety Approvals(pending) CSA 60950-1 recognition,IEC/EN 60950-1(CB-scheme) Input Fuse 5V Input Models 500mA Slow-Blow Type 12V Input Models 250mA Slow-Blow Type 24V Input Models 120mA Slow-Blow Type 48V Input Models 60mA Slow-Blow Type Remote On/Off Control Parameter Conditions Min. Converter On Typ. Max. Unit --- mA Open or high impedance Converter Off 2~4mA current applied via 1Kohm resistor Standby Input Current Supply Off & Nominal Vin --- 2.5 Environmental Specifications Parameter Conditions Min. Max. Natural Convection -40 +85 ℃ Case Temperature --- +95 ℃ Storage Temperature -55 +125 ℃ Humidity (non condensing) --- 95 % rel. H Lead Temperature (1.5mm from case for 10Sec.) --- 260 ℃ Operating Ambient Temperature Range (See Power Derating Curve) E-mail:[email protected] 2012/10/17 REV:0 Tel:886-6-2923150 Page 2 of 4 Unit ® MSCW01 SERIES DC/DC CONVERTER 1W, SMD Package Power Derating Curve Notes 1 Specifications typical at Ta=+25℃, resistive load, nominal input voltage, rated output current unless otherwise noted. 2 Ripple & Noise measurement bandwidth is 0-20 MHz. 3 All DC/DC converters should be externally fused at the front end for protection. 4 Other input and output voltage may be available, please contact factory. 5 That “natural convection” is about 20LFM but is not equal to still air (0 LFM). 6 Specifications are subject to change without notice. Package Specifications Mechanical Dimensions Connecting Pin Patterns 18.9 [0.74] 9 8 6 7 2.54 [0.10] 13.7 [0.54] 14 15.2 [0.60] 2.54 [0.1] 12.7 [0.5] 1 2 17.2 [0.68] 1.8 [0.1] 18.1 [0.71] 2.1 [0.08] 1.00 [0.04] 1.1 [0.04] 15.0 [0.6] ►All 0.15 S dimensions in mm (inches) ►Tolerance: X.X±0.5 Pin Connections Pin Single Output Dual Output 1 -Vin -Vin 2 Remote On/Off Remote On/Off 6 NC Common 7 NC -Vout 8 +Vout +Vout 9 -Vout Common 14 +Vin +Vin NC: No Connection 2012/10/17 REV:0 (X.XX±0.02) X.XX±0.25 ( X.XXX±0.01) ►Pins E-mail:[email protected] 1.6 [0.06] S SEATING PLANE 0~ 4 0.25 [0.01] 8.7 [0.34] 8.45 [0.33] 2.54 [0.10] Tel:886-6-2923150 Page 3 of 4 ±0.05(±0.002) Physical Characteristics Case Size : 18.9x13.7x8.45mm (0.74x0.54x0.33 inches) Case Material : Non-Conductive Black Plastic (flammability to UL 94V-0 rated) Pin Material : Phosphor bronze Weight : 4.5g ® MSCW01 SERIES DC/DC CONVERTER 1W, SMD 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 Copper Strip Dual Output DC / DC Converter Com. Copper Strip -Vin -Out Scope Cout Cout Resistive Load 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 2~4mA current applied via 1Kohm resistor. A logic low is open circuit or high impedance. Maximum Capacitive Load The MSCW01 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 at the input to ensure startup. Capacitor mounted close to the power module helps ensure stability of the unit, it is commended to use a good quality low Equivalent Series Resistance (ESR < 1.0Ω at 100 KHz) capacitor of a 8.2μF for the 5V input device, a 3.3μF for the 12V input devices and a 1.5μF for the 24V and 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 3.3μF 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 95℃. 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. 2012/10/17 REV:0 Page 4 of 4