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| MITSUBISHI HYBRID IC M57145L-01 HYBRID IC FOR ON-BOARD POWER SUPPLY DESCRIPTION M57145L-01 is an insulated type DC-DC converter which can supply 2 outputs from 12 ~ 18VDC single input. The insulation can endure to 2500Vrms and a pair of output voltages is +15.8V, -8.2V which can suitable for power supply to IGBT driver. OUTLINE DRAWING Dimensions: mm 33.0max FEATURES Input voltage ...................................... DC12 ~ 18V Output voltage ................................... +24V, 100mA +8.2V Insulation endurance between input and output ........................................................... 2500Vrms 1minute Small SIP structure 5.5max 4.5max 2.54x10=25.4 4.5max 24.0max 13.5max 19.0max APPLICATION Power supply for IGBT driver, etc. BLOCK DIAGRAM VI+ 8 9 PWM control circuit 3 VO1+ Constant voltage circuit 2 VO2- 10 VI- 11 Feed back circuit 1 VO- Mar. 2002 MITSUBISHI HYBRID IC M57145L-01 HYBRID IC FOR ON-BOARD POWER SUPPLY MAXIMUM RATINGS (Ta = 25C, unless otherwise noted) Symbol VI IL1 Topr Tstg Viso1 (*)See Parameter Input voltage Load current 1 Operating temperature Storage temperature Electrical isolation between input and outputs Conditions - 3 pin output current No condensation No condensation Sine wave voltage, 60Hz, 1 minutes Ratings 18 100(*) -10 ~ +70 -20 ~ +85 2500 Unit V mA C C Vrms the derating curve in next page. ELECTRICAL CHARACTERISTICS (VIN=15V, Ta = 25C, unless otherwise noted) Symbol VI Vo1 Vo2 Reg-I Reg-L Parameter Input voltage Output voltage 1 Output voltage 2 Input regulation Load regulation Efficiency Conditions Recommended range 3 pin voltage IO = 0 ~ 60mA 2 pin voltage No load of 2, 3 pins IL = 60mA, VI = 12 ~ 18V, No load of 2 pin IL = 0 ~ 60mA, No load of 2 pin IL = 60mA, No load of 2 pin Limits Min. 12 22.8 7.96 - - - Typ. -- 24.0 8.2 - - 68 Max. 18 25.2 8.43 50 50 - Unit V V V mV mV % APPLICATION EXAMPLE 8 9 100F 50V 10 11 M57145L 3 + 47F 2 IGBT driver + VI + 22F 1 Note: The value of capacitance of electrolytic capacitor between 3, 2 and 1 pin must be detail adjusted by IGBT and driver. Mar. 2002 MITSUBISHI HYBRID IC M57145L-01 HYBRID IC FOR ON-BOARD POWER SUPPLY TYPICAL CHARACTERISTICS EFFICIENCY vs. LOAD CURRENT 100 VI = 12V VI = 15V VI = 18V OUTPUT VOLTAGE vs. LOAD CURRENT 30 OUTPUT VOLTAGE VO (V) 25 20 15 10 5 0 Ta = 25C VI = 12V 80 EFFICIENCY (%) 60 40 20 Ta = 25C 0 0 20 40 60 80 100 0 20 40 60 80 100 LOAD CURRENT IL (mA) LOAD CURRENT IL1 (mA) OUTPUT VOLTAGE vs. INPUT VOLTAGE 30 400 INPUT CURRENT vs. INPUT VOLTAGE OUTPUT VOLTAGE VO (V) INPUT CURRENT I (mA) 25 20 15 10 5 IL = 0mA IL = 60mA IL = 100mA 300 Ta = 25C IL = 60mA 200 100 Ta = 25C 0 0 5 10 15 0 0 5 10 15 OUTPUT VOLTAGE VI (V) INPUT VOLTAGE VI (V) DERATING CHARACTERISTICS 120 100 LOAD CURRENT (mA) 80 VI = 12V 60 VI = 18V 40 20 0 0 20 40 60 80 AMBIENT TEMPERATURE (C) Mar. 2002 |
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