iQL Series
72-308W Quarter Brick Converter
Features
Standard Quarter Brick Footprint
18-36, 36-75VDC Inputs
1.2V 60A, 28V 11A Nominal Outputs
Through Hole Mounting
1500VDC Basic Isolation
Baseplate cooling
High operating efficiency (up to 93.5%)
Constant switching frequency
Key Market Segments & Applications
Specifications
Model
Nominal Output Voltage
Input Voltage Range
Ripple & Noise (max)(pk-pk)
Line Regulation (max)
Load Regulation (max)
Overload Protection Threshold
Overvoltage Protection (Typ)
Overtemperature Protection
Remote Sense
Remote On / Off
Temperature (operating)
Temperature (storage)
Humidity (operating)
Humidity (storage)
Cooling
Isolation Voltage
Vibration (non operating)
Shock
Safety Agency Approvals
Weight (max)
Size
Warranty
(1)
(2)
(3)
(4)
(5)
(6)
IQL
VDC
1.2
2.5
3.3
5
12
28
VDC
See Model Selector
mV
60
30
100
80
120
500
mV
1
5
6.6
10
60
100
mV
1
5
15
10
60
100
A
71
69
70
50
27.5
12.4
VDC
1.4
3.1
4.1
6.1
14.7
33.6
-
Yes
-
Yes
Yes
Yes
Yes
Yes
(4)
Yes
-
Negative Logic (5)
°C
-40 to 115
-40 to 115
-40 to 125
-40 to 119
-40 to 118
-40 to 115
°C
-55 to 125
-
20 to 95% (non-condensing)
-
10 to 95% (non-condensing)
-
Conduction, convection, or forced air
VDC
1500 Input - Output, 1500 Input - Baseplate
-
5 to 50Hz@0.5g (4.9m/s
2
), and 50 to 500Hz@1.5g (14.7m/s
2
) per Bellcore TR-EOP-000063-5.4.4
-
50 G at 6 ms pulse in three axes
-
UL60950 (US and Canada), VDE0805, CB scheme (IEC950), CE Mark (EN60950)
g
55g open frame, 70g with base plate
mm
57.9 x 36.8 x 13.21
yrs
3 Years
(1)
(3)
(6)
(3)
See website for detailed specification and test methods.
Latching.
Non-latching.
iQL24021A120V has remote sense, iQL48025A120V does not have remote sense.
Positive Logic is an option available for all codes.
All models have the latching type except for model numbers with note (3).
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184
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iQL Series
Model Selector
Model
iQL48060A012V-0B3-R
iQL48060A025V-0B3-R
iQL48060A025V-0B9-R
iQL24050A033V-009-R
iQL48060A033V-003-R
iQL48060A033V-009-R
iQL48060A033V-0B9-R
iQL24040A050V-001-R
iQL24040A050V-009-R
iQL48045A050V-001-R
iQL48045A050V-003-R
iQL48045A050V-0B3-R
iQL48045A050V-009-R
iQL48045A050V-0B9-R
iQL24021A120V-001-R
iQL24021A120V-009-R
iQL48025A120V-009-R
iQL48025A120V-0B9-R
iQL48025A120V-001-R
iQL48011A280V-008-R
iQL48011A280V-009-R
(2) Latching.
(3) Non-latching.
Input
Voltage (V)
36 - 75
36 - 75
36 - 75
18 - 36
36 - 75
36 - 75
36 - 75
18 - 36
18 - 36
36 - 75
36 - 75
36 - 75
36 - 75
36 - 75
20 - 36
20 - 36
36 - 75
36 - 75
36 - 75
36 - 75
36 - 75
Output
Voltage (V)
1.2
2.5
2.5
3.3
3.3
3.3
3.3
5.0
5.0
5.0
5.0
5.0
5.0
5.0
12.0
12.0
12.0
12.0
12.0
28.0
28.0
Adjust
Max.
Max. Output
Range (V) Curr. (A) Power (W)
0.96 - 1.32
60
72.0
2.0 - 2.75
60
150.0
2.0 - 2.75
60
150.0
2.64 - 3.63
50
165.0
2.64 - 3.63
60
198.0
2.64 - 3.63
60
198.0
2.64 - 3.63
60
198.0
4.0 - 5.5
40
200.0
4.0 - 5.5
40
200.0
4.0 - 5.5
45
225.0
4.0 - 5.5
45
225.0
4.0 - 5.5
45
225.0
4.0 - 5.5
45
225.0
4.0 - 5.5
45
225.0
9.6 - 13.2
21
252.0
9.28 - 12.76
21
252.0
9.6 - 13.2
25
300.0
9.6 - 13.2
25
300.0
9.6 - 13.2
25
300.0
22.4 - 30.8
11
308.0
22.4 - 30.8
11
308.0
Base
Plate
No
No
No
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
No
Yes
No
Yes
Yes
Yes
No
Yes
Yes
Yes
Efficiency at
Pin
Full Load (%) Length (in)
83.5
0.145
89.0
0.145
89.0
0.180
90.5
0.180
91.0
0.145
91.0
0.180
91.0
0.180
91.0
0.145
91.0
0.180
91.0
0.145
91.0
0.145
91.0
0.145
91.0
0.180
91.0
0.180
92.0
0.145
92.0
0.180
93.5
0.180
93.5
0.180
94.0
0.145
92.5
0.180
92.5
0.180
(3)
(3)
(3)
(2)
(3)
(3)
(2)
Preferred Model
Recommended Footprint (Bottom View)
Pinout
PIN
1
Function
Vin (+)
On / Off
Vin (-)
Vo (-)
PIN
5
6
7
8
Function
Sense (-)(if applicable)
Trim
Sense (+)(if applicable)
Vo (+)
2
3
4
3
2
1
4
8
For Additional Information, please visit
us.tdk-lambda.com/lp/products/iql-series.htm
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185
Revision B2: Mar 2017
