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MSKW2000 Series
5W 2:1 Wide Input Range SMD, Single & Dual Output DC/DC Converters
Key Features
Efficiency up to 85% High Power Density 2:1 Input Range I / O Isolation 1500VDC Remote on/off Control SMT Technology Industry Standard Pinout Short Circuit Protection EMI Complies With EN55022 Class A MTBF > 1,000,000 Hours
1500 VDC
Low Profile SMD
Remote on/off
EMI
EN55022
2:1
Wide Range
I/O Isolation
Minmax's MSKW2000-Series are in " gull-wing" SMT package. The series consists of 21 models with input voltage ranges of 9-18VDC, 18-36VDC and 36-75VDC which provide precisely regulated output voltages of 3.3V, 5V, 12V, 15V, {5V, {12V and {15VDC. The -40] to +71] operating temperature range makes it ideal for data communication equipments, mobile battery driven equipments, distributed power systems, telecommunication equipments, mixed analog/digital subsystems, process/machine control equipments, computer peripheral systems and industrial robot systems. The modules have a maximum power rating of 5W and a typical full-load efficiency of 85%, continuous short circuit,Remote on/off EN55022 Class A conducted noise compliance minimize design-in time, cost and eliminate the need for external filtering.
Absolute Maximum Ratings
Parameter 12VDC Input Models Input Surge Voltage 24VDC Input Models ( 1000 mS ) 48VDC Input Models Lead Temperature (1.5mm from case for 10 Sec.) Internal Power Dissipation Min. -0.7 -0.7 -0.7 ----Max. 25 50 100 260 2,500 Unit VDC VDC VDC ] mW
Environmental Specifications
Parameter Operating Temperature Operating Temperature Storage Temperature Humidity Cooling Conducted EMI Conditions Ambient Case Min. -40 -40 -40 --Max. +71 +90 +125 95 Unit ] ] ] %
Exceeding the absolute maximum ratings of the unit could cause damage. These are not continuous operating ratings.
Free-Air Convection EN55022 Class A
Leadfree Reflow Solder Process as per IPC/JEDEC J-STD-020C peak temp. 245C/10 sec.
1
MINMAX
REV:5 2008/10
MSKW2000 Series
Model Selection Guide
Model Number Input Voltage Output Voltage Output Current Input Current Reflected Ripple Current mA (Typ.) Efficiency
VDC MSKW2021 MSKW2022 MSKW2023 MSKW2024 MSKW2025 MSKW2026 MSKW2027 MSKW2031 MSKW2032 MSKW2033 MSKW2034 MSKW2035 MSKW2036 MSKW2037 MSKW2041 MSKW2042 MSKW2043 MSKW2044 MSKW2045 MSKW2046 MSKW2047
12 ( 9 ~ 18 )
24 ( 18 ~ 36 )
48 ( 36 ~ 75 )
VDC 3.3 5 12 15 {5 {12 {15 3.3 5 12 15 {5 {12 {15 3.3 5 12 15 {5 {12 {15
Max. mA 1200 1000 417 333 {500 {208 {167 1200 1000 417 333 {500 {208 {167 1200 1000 417 333 {500 {208 {167
Min. mA 120 100 41.7 33.3 {50 {20.8 {16.7 120 100 41.7 33.3 {50 {20.8 {16.7 120 100 41.7 33.3 {50 {20.8 {16.7
@Max. Load mA (Typ.) 434 521 502 502 521 501 503 212 254 245 245 254 245 246 106 127 123 122 127 122 123
@No Load mA (Typ.)
45
25
15
15
6
10
@Max. Load % (Typ.) 76 80 83 83 80 83 83 78 82 85 85 82 85 85 78 82 85 85 82 85 85
Capacitive Load
Models by Vout Maximum Capacitive Load # For each output 3.3V 680 5V 680 12V 680 15V 680 {5V # 100 {12V # 100 {15V # 100 Unit uF
Input Fuse Selection Guide
12V Input Models 1500mA Slow - Blow Type 24V Input Models 700mA Slow - Blow Type 48V Input Models 350mA Slow - Blow Type
Input Specifications
Parameter Start Voltage Model 12V Input Models 24V Input Models 48V Input Models Under Voltage Shutdown 12V Input Models 24V Input Models 48V Input Models Reverse Polarity Input Current Short Circuit Input Power Input Filter All Models Min. 7.5 14 30 6.5 13 28 ----Typ. 8 16 33 7 15 31 --1000 Pi Filter Max. 9 18 36 8 17 34 1 3000 A mW VDC Unit
REV:5 2008/10
MINMAX
2
MSKW2000 Series
Output Specifications
Parameter Output Voltage Accuracy Output Voltage Balance Line Regulation Load Regulation Ripple & Noise (20MHz) Ripple & Noise (20MHz) Ripple & Noise (20MHz) Over Power Protection Transient Recovery Time Transient Response Deviation Temperature Coefficient Output Short Circuit 25% Load Step Change Over Line, Load & Temp Dual Output, Balance Loads Vin=Min. to Max. Io=20% to 100% Conditions Min. --------------115 ------Continuous Typ. {0.5 {0.5 {0.1 {0.3 50 ----140 250 {2 {0.01 Max. {1.0 {2.0 {0.3 {1.0 85 100 15 165 500 {6 {0.02 Unit % % % % mV P-P mV P-P mV rms. % uS % %/]
General Specifications
Parameter Isolation Voltage Rated Isolation Voltage Test Isolation Resistance Isolation Capacitance Switching Frequency MTBF Moisture Sensitivity Level (MSL) TEMPERATURE MIL-HDBK-217F @ 25], Ground Benign IPC/JEDEC J-STD-20 Conditions 60 Seconds Flash Tested for 1 Second 500VDC 100KHz,1V Min. 1500 1650 1000 --200 1000 Typ. ------650 260 --LEVEL 2 Max. ------750 350 --Unit VDC VDC M[ pF KHz K Hours
Remote On/Off Control
Parameter Supply On Supply off Device Standby Input Current Control Input Current ( on ) Control Input Current ( off ) Control Common Vin=Min. to Max. Vin=Min. to Max. Conditions Min. -0.7 ------Typ. --------Max. 0.8 10 -200 -300 Unit VDC mA uA uA 2.5 to 5.5 VDC or Open Circuit
Referenced to Negative Input
Notes:
1. Specifications typical at Ta=+25], resistive load, nominal input voltage, 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 0-20 MHz. 4. These power converters require a minimum output loading to maintain specified regulation. 5. Operation under no-load conditions will not damage these modules; however, they may not meet all specifications listed. 6. All DC/DC converters should be externally fused at the front end for protection 7. Other input and output voltage may be available, please contact factory. 8. Specifications subject to change without notice. 9. It is not recommended to use water-washing processon SMT units.
3
MINMAX
REV:5 2008/10
MSKW2000 Series
Block Diagram
Single Output Dual Output
+Vin
LC Filter
+Vo
+Vin
LC Filter
+Vo Com.
-Vo -Vin On/OFF PFM Isolation Ref.Amp
-Vin On/OFF PFM Isolation Ref.Amp
-Vo
Input Voltage Transient Rating
150 140 130 120 110 100 Vin ( VDC ) 90 80 70 60 50 40 30 20 10 0 10uS 100uS 1mS 10mS 100mS 12VDC Input Models 24VDC Input Models 48VDC Input Models
REV:5 2008/10
MINMAX
4
MSKW2000 Series
90 80 70 Efficiency (%)
Efficiency (%) 90 80 70 60 50 40 30 20
60 50 40 30 20 Low Nom Input Voltage (V) High
Low
Nom Input Voltage (V)
High
Efficiency vs Input Voltage ( Dual Output )
Efficiency vs Input Voltage ( Dual Output )
90 80 70 Efficiency (%) 60 50 40 30 20
Efficiency (%)
90 80 70 60 50 40 30 20
10
20
40
60 Load Current(%)
80
100
10
20
40
60
80
100
Load Current(%)
Efficiency vs Output Load ( Single Output )
Efficiency vs Output Load ( Dual Output )
100 80 Output Power (%) 100LFM Natural convection 400LFM
200LFM
60
40
20 0 -40
50 60 70 80 ] 90 100 110
Ambient Temperature
Derating Curve
5
MINMAX
REV:5 2008/10
MSKW2000 Series
Test Configurations Input Reflected-Ripple Current Test Setup
Input reflected-ripple current is measured with a inductor Lin (4.7uH) and Cin (220uF, ESR < 1.0[ 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 + Lin Current Probe +Vin +Out Load
Maximum Capacitive Load
The MSKW2000 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 100uF maximum capacitive load for dual outputs and 680uF capacitive load for single outputs. The maximum capacitance can be found in the data sheet.
DC / DC Converter -Vin -Out
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.
Cin
Peak-to-Peak Output Noise Measurement Test
Use a Cout 0.47uF 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.
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[ at 100 KHz) capacitor of a 3.3uF for the 12V input devices and a 2.2uF for the 24V and 48V devices.
+Vin Single Output DC / DC Converter -Vin
+Out
Copper Strip Cout Scope Resistive Load
-Out
+Vin Dual Output DC / DC Converter -Vin
+Out Com.
Copper Strip Cout Cout Scope Resistive Load Scope
+ DC Power Source + Cin
+Vin DC / DC Converter -Vin
+Out Load -Out
-Out
Design & Feature Considerations
Input Source I 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 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 of the switch at on/off terminal during a logic low is 300 uA. The maximum sink current of the switch at on/off terminal = 2.5 to 5.5V is 200uA or open. REV:5 2008/10
Output Ripple Reduction
MINMAX
6
MSKW2000 Series
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 3.3uF capacitors at the output.
+ DC Power Source -
+Vin Single Output DC / DC Converter -Vin
+Out
Cout -Out
Load
+ DC Power Source -
+Vin
+Out Dual Output Com. DC / DC Converter Cout Load
-Vin
-Out
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 C. The derating curves are determined from measurements obtained in an experimental apparatus.
Position of air velocity probe and thermocouple 15mm / 0.6in
50mm / 2in
Air Flow
DUT
7
MINMAX
REV:5 2008/10
MSKW2000 Series
Mechanical Dimensions Connecting Pin Patterns
Top View ( 2.54 mm / 0.1 inch grids )
15.26 [0.601]
27.94mm
24 23 22
16 15 14 13
20.6 [0.81] 22.6 [0.89] 25.6 [1.01]
3.0mm
Top
1
2
3
9 10 11 12
27.0mm
2.54 [0.100] 33.4 [1.31]
2.7 [0.11]
Side
10.2 [0.40]
SEATING PLANE
2.54mm
15.24mm
1.9mm
0 ~4
0.4 [0.01]
1.50 [0.059]
0.15
Tolerance
Millimeters X.X{0.25 X.XX{0.13 {0.05
Inches X.XX{0.01 X.XXX{0.005 {0.002
Pin
Pin Connections
Pin 1 2 3 9 10 11 12 13 14 15 16 22 23 24 Single Output Remote On/Off -Vin -Vin NC NC NC NC NC +Vout NC -Vout +Vin +Vin NC NC: No Connection Dual Output Remote On/Off -Vin -Vin Common NC -Vout NC NC +Vout NC Common +Vin +Vin NC
Physical Characteristics
Case Size : 33.4*20.6*10.2 mm 1.31*0.81*0.40 inches Non-Conductive Black Plastic 14g UL94V-0
Case Material Weight Flammability
: : :
REV:5 2008/10
MINMAX
8

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