Mar. 2002
OUTLINE DRAWING
MITSUBISHI HYBRID IC
M57145L-01
HYBRID IC FOR ON-BOARD POWER SUPPLY
BLOCK DIAGRAM
DESCRIPTION
M57145L-01 is an insulated type DC-DC converter which
can supply 2 outputs from 12 ~ 18VDC single input. The in-
sulation can endure to 2500Vrms and a pair of output volt-
ages is +15.8V, –8.2V which can suitable for power supply
to IGBT driver.
FEATURES
Input voltage...................................... DC 12 ~ 1 8V
Output voltage................................... +24V, 100mA
+8.2V
Insulation endurance between input and output
........................................................... 2500Vrms 1minute
Small SIP structure
APPLICATION
Power supply for IGBT driver, etc.
Dimensions: mm
33.0max
4.5max 4.5max
5.5max 13.5max
19.0max
24.0max
2.54×10=25.4
Constant
voltage
circuit
PWM
control
circuit
Feed back circuit
8
10
11
3
1
V
I
+
V
I
–
2
9
V
O
1+
V
O
2–
V
O
–
Mar. 2002
MITSUBISHI HYBRID IC
M57145L-01
HYBRID IC FOR ON-BOARD POWER SUPPLY
MAXIMUM RATINGS (Ta = 25°C, unless otherwise noted)
V
V
V
mV
mV
%
V
mA
°C
°C
Vrms
18
100(*)
–10 ~ +70
–20 ~ +85
2500
Ratings
Symbol Parameter Conditions Unit
12
22.8
7.96
–
–
–
—
24.0
8.2
–
–
68
18
25.2
8.43
50
50
–
Symbol UnitParameter Conditions Limits
Min. Typ. Max.
Input voltage
Load current 1
Operating temperature
Storage temperature
Electrical isolation between input and
outputs
VI
IL1
Topr
Tstg
Viso1
–
3 pin output current
No condensation
No condensation
Sine wave voltage, 60Hz, 1 minutes
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
VI
Vo1
Vo2
Reg-I
Reg-L
η
Input voltage
Output voltage 1
Output voltage 2
Input regulation
Load regulation
Efficiency
ELECTRICAL CHARACTERISTICS (VIN=15V, Ta = 25°C, unless otherwise noted)
(*)See the derating curve in next page.
APPLICATION EXAMPLE
Note: The value of capacitance of electrolytic capacitor between 3, 2 and 1 pin must be detail adjusted by IGBT and driver.
V
I
+
83
1
+
10
11
2+
IGBT
driver
100µF
50V
47µF
22µF
9
M57145L
Mar. 2002
MITSUBISHI HYBRID IC
M57145L-01
HYBRID IC FOR ON-BOARD POWER SUPPLY
TYPICAL CHARACTERISTICS
LOAD CURRENT I
L
(mA)
OUTPUT VOLTAGE V
I
(V)
0
0
5
20
15
10
25
30
4020 60 80 100
010515
V
I
= 12V
V
I
= 15V
V
I
= 18V
I
L
= 100mA
V
I
= 12V
V
I
= 18V
I
L
= 60mA
I
L
= 0mA
Ta = 25°C
V
I
= 12V Ta = 25°C
Ta = 25°C
Ta = 25°C
I
L
= 60mA
OUTPUT VOLTAGE vs. LOAD CURRENT
OUTPUT VOLTAGE vs. INPUT VOLTAGE
0
0
80
60
40
20
100
20 40 60 80 100
0
5
30
25
20
15
10
0
400
300
200
100
0
0
120
100
80
60
40
20
20 40 60 80
0 5 10 15
OUTPUT VOLTAGE V
O
(V)
OUTPUT VOLTAGE V
O
(V)
INPUT VOLTAGE V
I
(V)
INPUT CURRENT vs. INPUT VOLTAGE
INPUT CURRENT I (mA)
AMBIENT TEMPERATURE (°C)
DERATING CHARACTERISTICS
LOAD CURRENT (mA)
EFFICIENCY vs. LOAD CURRENT
LOAD CURRENT I
L1
(mA)
EFFICIENCY η (%)
