QBS DC/DC Series Data Sheet
Model Selection
Vin
(Volts)
Vin Range
(Volts)
Iin Max.*
(Amps)
Vout
(Volts)
Iout Rated
(Amps)
Ripple & Noise
Pk-Pk (mV)
Efficiency
Typ. **
Model
24
24
24
24
24
48
48
48
48
48
48
48
48
48
18 - 36
18 - 36
18 - 36
18 - 36
18 - 36
36 - 75
36 - 75
36 - 75
36 - 75
36 - 75
36 - 75
36 - 75
36 - 75
36 - 75
2.90
3.50
5.20
6.80
6.80
1.40
1.70
2.50
3.30
4.00
3.30
2.50
3.45
4.00
2.5
3.3
5
12
15
2.5
3.3
5
12
12
15
3.3
5.0
15
15.00
15.00
15.00
8.33
100
100
100
150
150
100
100
100
150
150
150
100
100
150
76%
80%
84%
85%
85%
75%
78%
83%
86%
84%
86%
80%
82%
84%
QBS038YD-A †
QBS050YE-A †
QBS075YG-A †
QBS100YH-A †
QBS100YJ-A †
QBS038ZD-A
QBS050ZE-A
QBS075ZG-A
QBS100ZH-A †
QBS120ZH-A †
QBS100ZJ-A †
QBS066ZE-A
QBS100ZG-A
QBS120ZJ-A
6.67
15.00
15.00
15.00
8.33
10.00
6.67
20.0
20.0
8.0
† Denotes advanced product release. Consult factory for product availability.
* Maximum input current at minimum input voltage, maximum rated output power.
** At nominal Vin, rated output.
Mechanical Drawing
Thermal Impedance
Pin
Function
Tolerances
(Millimeters)
.X ± 0.5
.XX ± 0.25
Natural Convection
10.1 °C/W
8.0 °C/W
5.4 °C/W
4.4 °C/W
3.4 °C/W
Inches:
.XX ± 0.020
.XXX ± .010
1
-V
in
100 LFM
200 LFM
300 LFM
400 LFM
2
3
On/Off
+V
in
Pin:
± 0.002
4
-V
out
± 0.05
5
6
7
-Sense
Trim
(Dimensions as listed unless otherwise specified.)
Note:
+Sense
Thermal impedance data is dependent on
many environmental factors. The exact
thermal performance should be validated
for specific application.
8
+V
out
REV. JUL 11, 2003
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