
M57140-01
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
TERMINAL NUMBER
1
2
3
4
5
6
A
4 5 6
, ,
INPUT
DC 20V
1 2 3
, ,
PUSH-PULL
CONVERTER
CONTROL CIRCUIT
14
13
12
11
10
9
8
7
B
C
+
14
OUT PUT
15V, 30mA
–
13
+
12
OUT PUT
15V, 30mA
–
11
+
10
OUT PUT
15V, 30mA
–
9
+
8
OUT PUT
15V, 100mA
–
7
H
F
J
E
G
D
Isolated
DC-to-DC Converter
Description:
M57140-01 is an isolated DC-to-DC
converter designed to drive IPMs
(Intelligent Power Modules). With
an input of DC 20V, the module
supplies four 15V outputs. Isolation is provided from primary to
secondary and also between the
secondaries. Interwinding isolation
is designed for driving the IPM.
Features:
□ Output Specification:
+15V x 4, Total 3W max.
□ Primary-to-secondar y Isolation:
2500 V
□ Secondary-to-secondary
Isolation V oltage:
1500 V
□ Compact, Low Profile Design
, One Minute
RMS
, One Minute
RMS
Outline Drawing and Circuit Diagram
Dimensions Inches Millimeters
A 2.03 51.5
B 0.71 18.0
C .39±.06 12.5±1.5
D .18±.06 4.5±1.5
E 0.07 1.8
Dimensions Inches Millimeters
F 0.02 0.55
G 0.08 2.1
H 0.08 2.1
J 1.13 28.8
Applications:
□ IPMs for General Purpose
Inverter and AC Servo
□ Power Source for MOSFET
Driving Circuits
Ordering Information:
M57140-01
159
159

Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
M57140-01
Isolated
DC-to-DC Converter
Absolute Maximum Ratings, V
= 20V, T
IN
= 25 °C unless otherwise specified
a
Characteristics Symbol Test Conditions M57140-01 Units
Input Voltage V
Load Current I
Operating Temperature T
Storage T emperature T
Internal Power Dissipation P
IN
L
opr
stg
d
Primary-to-Secondary Isolation 1 Minute 2500 V
Secondary-to-Secondary Isolation 1 Minute 1500 V
Electrical Characteristics, V
= 20V, T
IN
= 25 °C unless otherwise specified
a
Terminals 4 , 5 , 6 - 1 , 2 , 3
Terminals 14 - 13 , 12 - 11 , 10 - 9
Terminals 8 - 7
There Should be -10 ~ +75 °C
No Condensation -20 ~ +85 °C
– 1.5 Watts
25 Volts
30 mA
100 mA
rms
rms
Characteristics Symbol Test Conditions Min. Typ. Max. Units
Input Source Voltage V
Output Voltage V
IN
Between Pins 10 - 9 , 12 - 11, 14 - 13,
O
Direct Current 18 20 22 Volts
13.5 15.0 16.5 Volts
IL = 30mA
Between Pins 8 - 7 , I
Peak Load Current I
Between Pins 10 - 9 , 12 - 11, 14 - 13
LP
Between Pins 8 - 7
Load Regulation Reg-out – 5 10 %
Between Pins 10 - 9 , 12 - 11, 14 - 13,
= 100mA
L
13.5 15.0 16.5 Volts
–33–mA
– 110 – mA
IL = 0 ~ 30mA
Between Pins 8 - 7 , IL = 0 ~ 100mA
Efficiency h – 70 – %
Between Pins 10 - 9 , 12 - 11, 14 - 13,
I
= 30mA
L
Between Pins 8 - 7 , IL = 100mA
–712%
–70–%
Application Circuit
160
160
8
+
33µF
7
4 5 6
, ,
+
V
= 20V
330µF
IN
M57140-01
1 2 3
, ,
10
+
10µF
9
12
+
10µF
11
14
+
10µF
13
V
I
C
L
V
I
C
L
V
I
C
L
V
I
C
L

Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
M57140-01
Isolated
DC-to-DC Converter
Application Circuit
11
12 4
,
2.2µF
INPUT
DC113V-380V
+
M57120L-01
1 2
6
R – TO STABILIZE WHEN NOT LOADED
C – TO SMOOTH OUTPUT VOLTAGE
+
50V
47µF
5
5 6
, ,
50V
+
330µF
1 2 3
, ,
14
13 12
+15
M57140-01
+
RC
11
10
9
8
+
RC
+
RC
+
RC
+15
0
0
+15
0
+15
0
7
AMP
SG
AMP
SG
AMP
SG
AMP
SG
AMP
SG
AMP
SG
IPM
P
U
V
W
N
Handling Precautions:
• When M57140-01 is used under excessive load condition, output side rectifying diodes will be destroyed.
Care should be exercised so as not to operate the device above the rated maximum load current.
• Coating Materials should not be applied on this device because the application of coating materials for
waterproofing could cause a stress and destroy a device.
161
161

Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
M57140-01
Isolated
DC-to-DC Converter
OUTPUT VOLTAGE -
LOAD CURRENT CHARACTERISTICS
BETWEEN TERMINALS AND
17
16
, (VOLTS)
o
15
VIN = 20V
14
CONDITION:
OUTPUT VOLTAGE, V
OTHER OUTPUT
TERMINALS ARE
NOT LOADED
0
20 40 60 10080
0
LOAD CURRENT, IL, (mA)
OUTPUT VOLTAGE
VS AMBIENT TEMPERATURE
BETWEEN TERMINALS AND
20
16
, (VOLTS)
o
12
8
VIN = 20V
CONDITION:
OUTPUT VOLTAGE, V
4
OTHER OUTPUT
TERMINALS ARE
NOT LOADED
0
20
02040 8060
-20
AMBIENT TEMPERATURE, Ta, (°C)
OUTPUT VOLTAGE
VS INPUT VOLTAGE
BETWEEN TERMINALS AND
Ta = 25°C
18
16
, (VOLTS)
o
14
IL = 100mA
IL = 0mA
8
Ta = 60°C
25°C
0°C
8
IL = 100mA
8
OUTPUT VOLTAGE -LOAD CURRENT
CHARACTERISTICS BETWEEN
7
7
7
TERMINALS - , - , -
109121114
17
16
, (VOLTS)
o
15
VIN = 20V
14
CONDITION:
OUTPUT VOLTAGE, V
TERMINALS
7
8
AND ARE
NOT LOADED
0
0
TERMINALS - , - , -
10 3020
LOAD CURRENT, IL, (mA)
OUTPUT VOLTAGE VS
AMBIENT TEMPERATURE BETWEEN
109121114
20
16
, (VOLTS)
o
12
8
VIN = 20V
CONDITION:
OUTPUT VOLTAGE, V
4
TERMINALS
7
8
AND ARE
NOT LOADED
0
02040 8060
-20
AMBIENT TEMPERATURE, Ta, (°C)
OUTPUT VOLTAGE VS
INPUT VOLTAGE BETWEEN
TERMINALS - , - , -
109121114
Ta = 60°C
0°C, 25°C
IL = 30mA
13
, (mA)
INPUT CURRENT, I
INPUT CURRENT - OUTPUT POWER
0.3
VIN = 20V
Ta = 0°C
0.2
IN
0.1
25°C
60°C
0
0
13
80
70
12 43
OUTPUT POWER, Po, (WATTS)
EFFICIENCY CHARACTERISTICS
Ta = 25°C
= 20V
V
IN
60
50
40
EFFICIENCY, , (%)
30
20
0
0
13
1234
TOTAL OUTPUT POWER, Po, (WATTS)
20
Ta = 25°C
18
16
, (VOLTS)
o
IL = 0mA
30mA
14
162
162
12
OUTPUT VOLTAGE, V
10
0
18 19 20 232221
0
INPUT VOLTAGE, VIN, (VOLTS)
12
OUTPUT VOLTAGE, V
10
0
18 19 20 232221
0
INPUT VOLTAGE, VIN, (VOLTS)