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DC to DC Converters
Distributed Power Supplies for Systems, Insulation Type
Quarter Brick Type iQM Series
Power supply systems for infrastructure devices used in communi-
cation networks primarily use brick-type DC to DC converters.
Some parts of these devices require low voltage and power.
We have developed a lineup of compact quarter brick types that
meet these requirements.
FEATURES
• Wide input voltage range (DC.36 to 75V)
• These quarter brick products support large currents of 50A and
60A.
• High efficiency: 90.5%(3.3V output)
•
•
•
•
•
•
Heat sink is not required.
Remote ON-OFF function
Output voltage external variable function
Remote sensing function
Parallel operation
Various protective functions
PART NUMBERS AND RATINGS
(5)
Output voltage(V)
1.2
1.5
1.8
2.5
2.5
2.5
3.3
3.3
5.0
12
Current(A)
60
60
60
40
50
60
35
50
33
17
Part No.
iQM48060A012V
iQM48060A015V
iQM48060A018V
iQM48040A025V
iQM48050A025V
iQM48060A025V
iQM48035A033V
iQM48050A033V
iQM48033A050V
iQM48017A120V
PRODUCT IDENTIFICATION
iQM
(1)
48 060A
(2)
(3)
015V
(4)
-
(1) Type name
iQM: Quarter brick type
(2) Rated input voltage
(3) Output current
(4) Output voltage
(5) Option code
005: Standard (Negative on/off logic, Pin length: 5.08mm)
000: Positive on/off logic, Pin length: 3.68mm
001: Negative on/off logic, Pin length: 3.68mm
002: Positive on/off logic, Pin length: 2.79mm
003: Negative on/off logic, Pin length: 2.79mm
004: Positive on/off logic, Pin length: 5.08mm
• All specifications are subject to change without notice.
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SPECIFICATIONS AND STANDARDS
Part No.
Rated output voltage and current
∗1
Maximum output power
W
Input conditions
Input voltage Edc
Transient input voltage
Input current
Inrush transient current
∗2
Efficiency
Output characteristics
Output voltage Edc
Voltage adjustment range
Maximum output current
Minimum output current
Output voltage initial setting
Overvoltage protection
Overcurrent protection
Line regulation
Load regulation
Voltage
Temperature
stability
regulation
Dynamic response
∗3
Ripple noise Ep-p
Start up time
∗4
Rise time
∗5
Auxiliary functions
Overvoltage protection
Overcurrent protection
Alarm output
Over-temperature protection
Remote ON-OFF
Remote sensing
Parallel operation
Output voltage adjustment
Master slave operation
Standards
Safety standards
Constructions
External dimensions
Weight
Mounting method
Oscillating method
Oscillating frequency
∗1
∗2
iQM48060A012V
1.2V • 60A
72
36 to 75
[Continuation]
100[100ms]
2.8max.
0.02max.
81typ.
1.2
–20 to +10
60
6
±2max.
1.49typ.
68typ.
3max.(1typ.)
5max.(1typ.)
20max.(2typ.)
±100typ.
80max.
10
3
iQM48060A015V
1.5V • 60A
90
36 to 75
[Continuation]
100[100ms]
3.4max.
0.02max.
83.5typ.
1.5
–20 to +10
60
6
±2max.
1.85typ.
66typ.
5max.(1typ.)
7max.(1typ.)
50max.(2typ.)
±80typ.
80max.
24.5
13.5
iQM48060A018V
1.8V • 60A
108
37 to 75
[Continuation]
100[100ms]
4max.
0.02max.
85.5typ.
1.8
–20 to +10
60
6
±1.8max.
2.16 to 2.40
66typ.
5max.(1typ.)
6max.(1typ.)
50max.(10typ.)
±80typ.
90max.
24
13
iQM48040A025V
2.5V • 40A
100
36 to 75
[Continuation]
100[100ms]
3.5max.
0.02max.
89.5typ.
2.5
–20 to +10
40
4
±1.8max.
3.1typ.
47typ.
5max.(1typ.)
5max.(1typ.)
50max.(10typ.)
±50typ.
50max.
10
18
iQM48050A025V
2.5V • 50A
125
36 to
75[Continuation]
100[100ms]
4.4max.
0.02max.
88.5typ.
2.5
–20 to +10
50
5
±1.8max.
3.2typ.
56typ.
5max.(1typ.)
5max.(1typ.)
50max.(20typ.)
±100typ.
100max.
25
14
V
V
A
A
2
S
%
V
%
A
A
%
V
A
mV
mV
mV
mV
mV
ms
ms
Yes(Shut-down type)
Yes(Automatic recovery)
No
Yes(Automatic recovery)
Yes
Yes
Impossible
Yes
No
UL60950 and VDE0805 approved. EN60950 approved.
mm
g
12.7×36.8×57.9[H×W×L]
250max.
Mounted from the terminal side (soldered).
Fixed frequency
140
140
kHz
140
155
155
Verify the rated current (maximum output current) because this involves derating.
Applies only to the primary surge. The power supply does not have an input fuse, so make sure to install an external fuse when using this product.
∗3
Load step from 50 to 75% of Io max. with at least one 1µF and 47µF ceramic capacitors across the output terminals.
∗4
Time to reaching to 90% by output voltage after input applies (t: Vin=0 to Vout=0.9Vo, nom. Tc=25°C, Io=Io, max.)
∗5
Time to reaching to 10 to 90% by output voltage (t: Co=0.1 to 0.9 Vo, nom.)
• All specifications are subject to change without notice.
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SPECIFICATIONS AND STANDARDS
Part No.
Rated output voltage and current
∗1
Maximum output power
W
Input conditions
Input voltage Edc
Transient input voltage
Input current
Inrush transient current
∗2
Efficiency
Output characteristics
Output voltage Edc
Voltage adjustment range
Maximum output current
Minimum output current
Output voltage initial setting
Overvoltage protection
Overcurrent protection
Line regulation
Load regulation
Voltage
Temperature
stability
regulation
Dynamic response
∗3
Ripple noise Ep-p
Start up time
∗4
Rise time
∗5
Auxiliary functions
Overvoltage protection
Overcurrent protection
Alarm output
Over-temperature protection
Remote ON-OFF
Remote sensing
Parallel operation
Output voltage adjustment
Master slave operation
Standards
Safety standards
Constructions
External dimensions
Weight
Mounting method
Oscillating method
Oscillating frequency
∗1
∗2
iQM48060A025V
2.5V • 60A
150
36 to 75
[Continuation]
100[100ms]
5.5max
0.02max.
87.5typ.
2.5
–20 to +10
50
5
±1.8max.
3.1typ.
57typ.
5max.(1typ.)
5max.(1typ.)
50max.(10typ.)
±85typ.
50max.
10
18
iQM48035A033V
3.3V • 35A
115.5
36 to 75
[Continuation]
100[100ms]
3.9max.
0.02max.
91.5typ.
3.3
–20 to +10
50
5
±1.8max.
3.8 to 4.4
57typ.
6.6max.(1typ.)
6.6max.(1typ.)
60max.(20typ.)
±100typ.
100max.
29
18
iQM48050A033V
3.3V • 50A
165
36 to 75
[Continuation]
100[100ms]
5.7max.
0.02max.
90.5typ.
3.3
–20 to +10
50
5
±1.8max.
3.8 to 4.4
57typ.
6.6max.(1typ.)
6.6max.(1typ.)
60max.(20typ.)
±100typ.
100max.
29
18
iQM48033A050V
5.0V • 33A
165
36 to 75
[Continuation]
100[100ms]
5.8max.
0.02max.
91.0typ.
5.0
–20 to +10
33
3.3
±2.4max.
5.8 to 6.5
36.5typ.
8max.(1typ.)
10max.(2typ.)
60max.(15typ.)
±150max.
100max.
30
18
iQM48017A120V
12V • 17A
204
36 to 75
[Continuation]
100[100ms]
7max.
0.02max.
90.5typ.
12
–20 to +10
17
3
±2.5max.
13.8 to 15.2
18typ.
24max.(3typ.)
24max.(3yp.)
100max.(25typ.)
±300max.
100max.
70
60
V
V
A
A
2
S
%
V
%
A
A
%
V
A
mV
mV
mV
mV
mV
ms
ms
Yes(Shut-down type)
Yes(Automatic recovery)
No
Yes(Automatic recovery)
Yes
Yes
Impossible
Yes
No
UL60950 and VDE0805 approved. EN60950 approved.
mm
g
12.7×36.8×57.9[H×W×L]
250max.
Mounted from the terminal side (soldered).
Fixed frequency
155
155
kHz
155
155
100
Verify the rated current (maximum output current) because this involves derating.
Applies only to the primary surge. The power supply does not have an input fuse, so make sure to install an external fuse when using this product.
∗3
Load step from 50 to 75% of Io max. with at least one 1µF and 47µF ceramic capacitors across the output terminals.
∗4
Time to reaching to 90% by output voltage after input applies (t: Vin=0 to Vout=0.9Vo, nom. Tc=25°C, Io=Io, max.)
∗5
Time to reaching to 10 to 90% by output voltage (t: Co=0.1 to 0.9 Vo, nom.)
• All specifications are subject to change without notice.
002-02 / 20040524 / ea33_br_iqm.fm
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SHAPES AND DIMENSIONS
Bottom view
1.78
(10.9)
20.83
15.24
7.62
10.7
3.6
49.02
50.80
ø1.02
6 pins
Top view
36.8
12.7
57.9
TERMINAL DESIGNATIONS AND FUNCTIONS
Top view
3.6
50.80
49.02
10.7
5.33
3.81
1
20.83
2
3
8
7
6
5
4
3.68±0.51
M3×0.5
Threaded inserts
2 places
ø1.52
2 pins
5.33
3.81
7.62
7.62
1.78
ø3.40max.
2 places
57.9
11.43
7.62
11.43
15.24
Dimensions in mm
1
2
3
4
5
6
7
8
+Vin
On/Off
–Vin
–Vout
–Sense
Trim
+Sense
+Vout
DC input terminal (+)
The output can be turned on/off externally.
DC input terminal (–)
DC output terminal (–)
Remote sensing terminal (–)
The output voltage can be varied by an external resistor.
Remote sensing terminal (+)
DC output terminal (+)
• All specifications are subject to change without notice.
002-02 / 20040524 / ea33_br_iqm.fm
15.24
36.8
15.24
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OUTPUT POWER-AMBIENT TEMPERATURE (DERATING)
MAXIMUM OUTPUT CURRENT vs. AMBIENT TEMPERATURE(Ta)
iQM48060A012V
iQM48060A015V
Wind direction: Best orientaion, Vin=48V
Wind direction: Best orientaion, Vin=48V
65
60
55
Output current (A)
Output current (A)
50
45
40
35
30
25
20
15
40
50
60
70
80
90
Temperature (˚C)
100
110
120
65
60
55
50
45
40
35
30
25
20
15
40
50
60
70
80
90
Temperature (˚C)
100
110
120
0.3m/s(60LFM)
0.5m/s(100LFM)
1.0m/s(200LFM)
1.5m/s(300LFM)
2.0m/s(400LFM)
3.0m/s(600LFM)
Max. IMS < 1m/s
Max. IMS > 1m/s
0.3m/s(60LFM)
0.5m/s(100LFM)
1.0m/s(200LFM)
1.5m/s(300LFM)
2.0m/s(400LFM)
3.0m/s(600LFM)
Max. IMS < 1m/s
Max. IMS > 1m/s
iQM48060A018V
Wind direction: Best orientaion, Vin=48V
65
60
55
Output current (A)
iQM48050A025V
Wind direction: Best orientaion, Vin=48V
55
50
45
Output current (A)
40
35
30
25
20
50
45
40
35
30
25
20
15
40
50
60
70
80
90
Temperature (˚C)
100
110
120
15
30
40
50
60 70 80 90 100 110 120 130
Ambient temperature (˚C)
2.0m/s(400LFM)
3.0m/s(600LFM)
Max. IMS < 1m/s
Max. IMS > 1m/s
0.3m/s(60LFM)
0.5m/s(100LFM)
1.0m/s(200LFM)
1.5m/s(300LFM)
2.0m/s(400LFM)
3.0m/s(600LFM)
Max. IMS < 1m/s
Max. IMS > 1m/s
0.3m/s(60LFM)
0.5m/s(100LFM)
1.0m/s(200LFM)
1.5m/s(300LFM)
iQM48050A033V
Wind direction: Best orientaion, Vin=48V
55
50
iQM48033A050V
Wind direction: Best orientaion, Vin=48V
35
30
Output current (A)
Output current (A)
45
40
35
30
25
20
15
25
35
45
55 65 75 85 95 105 115 125
Ambient temperature (˚C)
2.0m/s(400LFM)
3.0m/s(600LFM)
Max. IMS (up to 1.0m/s)
Max. IMS > 1.0m/s
10
30
40
50
60
70
80
90
Temperature (˚C)
100
110
120
25
20
15
0.3m/s(60LFM)
0.5m/s(100LFM)
1.0m/s(200LFM)
1.5m/s(300LFM)
NC 0.3m/s(60LFM)
0.5m/s(100LFM)
3.0m/s(600LFM)
1.5m/s(300LFM)
1.0m/s(200LFM)
2.0m/s(400LFM)
Max. IMS < 1m/s
Max. IMS > 1m/s
• All specifications are subject to change without notice.
002-02 / 20040524 / ea33_br_iqm.fm
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