QSB35048S24

DCDC
Specification
75350 Watts
Wide Input Range
Industry Standard Packages
40 °C to +100 °C Operating Temperature
High Power Density
Base Plate Cooled
Remote On/Off & Remote Sense
3 Year Warranty
QSB Series
Input
Input Voltage Range See tables
Input Current See tables
Input Reverse Voltage None
Protection
Input Filter Pi network
Undervoltage Lockout QSB75-150: 24 Vin: - turn on 8.8 V,
turn off 8.0 V for 9-36 V,
QSB200: 24 Vin -turn on 9.6 V,
turn off 8.8 V,
QSB75-200: 48 Vin - turn on 17.0 V,
turn off 16.0 V,
QSB350: 24 Vin - turn on 17.0 V,
turn off 16.0 V,
QSB350: 48 Vin - turn on 35.0 V,
turn off 33.0 V
Input Surge 24 Vin: 50 VDC for 100 ms
48 Vin: 100 VDC for 100 ms
Output
Output Voltage Trim ±10%, see application notes
Initial Set Accuracy ±1.5% max
Line Regulation ±0.2% max measured from high line
to low line
Load Regulation ±0.2% max measured from 0-100% load
Transient Response 5% max deviation, recovery to within
1% in 500 µs, 25% step load change
Ripple & Noise 3.3 & 5 V models: 100 mV pk-pk
12 & 15 V models: 150 mV pk-pk
24 V & 28 V models: 280 mV max pk-pk
20 MHz bandwidth (see note 1)
Overvoltage Protection 115-140%
Short Circuit Protection Continuous
Thermal Shutdown Case temperature >105 °C
Temperature ±0.03%/°C
Coefficient
Current Limit 110-140% nominal output for 75 & 150 W
110-160% nominal output for 100 W
110-150% nominal output for 200 W
105-140% nominal output for 350 W
Remote On/Off See notes 2 & 3
Remote Sense Compensates up to 10% of Vout nominal,
total of output trim and remote sense
xppower.com
General
Efficiency See tables
Isolation Voltage 1500 VDC Input to Output
1500 VDC Input to Case
1500 VDC Output to Case
Isolation Resistance 10
7
Isolation Capacitance QSB75-200: 100 pF typical,
QSB350: 1000 pF typical
Switching Frequency QSB75: 300 kHz typical
QSB100, 150 & 200: 250 kHz typical
QSB350 (3V3 & 5 V): 300 kHz typical
QSB350 (12, 24 & 28 V): 330 kHz typical
Power Density QSB75: 45.4 W/in
3
, QSB100: 60.5 W/in
3
,
QSB150: 57.2 W/in
3
, QSB200: 70.3 W/in
3
,
QSB350: 123.0 W/in
3
MTBF QSB75 & 100: 730 kHrs
QSB150 & 200: 1 MHrs
QSB350: 658 kHrs
typical to MIL-HDBK-217F at 25 °C, GB
Environmental
Operating Base Plate -40 °C to +100 °C, see derating curves
Temperature
Storage Temperature -55 °C to +105 °C
Operating Humidity Up to 90% non-condensing
Cooling Base plate cooled, see derating curves
Shock 30 g pk, halfsink wave for 18 ms
3 pulses per face, all 6 faces tested
Vibration 5-500 Hz st 3 g, 10 mins per axis
EMC & Safety
Emissions EN55022, level A conducted with external
components, see test reports for further
details
ESD Immunity EN61000-4-2, level 2, Perf Criteria B
Radiated Immunity EN61000-4-3, 3 V/m, Perf Criteria A
EFT/Burst EN61000-4-4, level 1, Perf Criteria A*
Surge EN61000-4-5, level 1, Perf Criteria A*
Conducted Immunity EN61000-4-6, 3 V rms
Perf Criteria A
Safety Approvals QSB150 & QSB200: UL60950-1
* Recommended protection SMCJ40A for 24 Vin, SMCJ78A for 48 Vin
DCDC
QSB75/100
M
odels and Ratings
Notes
Notes
1
. Ripple & noise is measured with a 10 µF tantalum capacitor and 1.0 µF
ceramic capacitor across output.
2
. Logic compatibility: Ref to -ve input. Module On = open circuit.
Module Off = <0.8 VDC.
3
. Add suffix ‘N’ to the model number to receive the unit with negative logic
Remote On/Off.
4
. Input current specified at 24 V for 9-36 VDC and 48 V for 18-75 VDC models.
Mechanical Details
Input Voltage Output Voltage Output Current
I
nput Current
(4)
Efficiency Model Number
(
3)
N
o Load
F
ull Load
9
-36 VDC
(
24 V nominal)
3.3 V 12.00 A 50 mA 2.04 A 81.0% QSB7524S3V3
5
.0 V
1
2.00 A
5
0 mA
2
.98 A
8
4.0%
Q
SB7524S05
1
2.0 V
6
.25 A
5
0 mA
3
.64 A
8
6.0%
Q
SB7524S12
1
5.0 V
5
.00 A
5
0 mA
3
.64 A
8
6.0%
Q
SB7524S15
24.0 V 3.12 A 50 mA 3.63 A 86.0% QSB7524S24
18-75 VDC
(
48 V nominal)
3
.3 V
1
2.00 A
3
0 mA
1
.10 A
8
2.0%
Q
SB7548S3V3
5.0 V 12.00 A 30 mA 1.47 A 85.0% QSB7548S05
12.0 V 6.25 A 30 mA 1.82 A 86.0% QSB7548S12
1
5.0 V
5
.00 A
3
0 mA
1
.80 A
8
7.0%
Q
SB7548S15
2
4.0 V
3
.12 A
3
0 mA
1
.80 A
8
7.0%
Q
SB7548S24
9-36 VDC
(
24 V nominal)
3.3 V 30.00 A 120 mA 4.80 A 86.0% QSB10024S3V3
5
.0 V
2
0.00 A
1
20 mA
4
.82 A
8
6.5%
Q
SB10024S05
1
2.0 V
8
.30 A
8
0 mA
4
.80 A
8
6.5%
Q
SB10024S12
1
5.0 V
6
.70 A
8
0 mA
4
.84 A
8
6.5%
Q
SB10024S15
24.0 V 4.17 A 80 mA 4.79 A 87.0% QSB10024S24
1
8-75 VDC
(48 V nominal)
3
.3 V
3
0.00 A
6
0 mA
2
.37 A
8
8.0%
Q
SB10048S3V3
5
.0 V
2
0.00 A
6
0 mA
2
.37 A
8
8.0%
Q
SB10048S05
12.0 V 8.30 A 30 mA 2.36 A 88.0% QSB10048S12
15.0 V 6.70 A 30 mA 2.38 A 88.0% QSB10048S15
2
4.0 V
4
.17 A
3
0 mA
2
.37 A
8
8.0%
Q
SB10048S24
1.03
(26.2)
1.45
(36.8)
2.00 (50.80)
1
0.60
(15.24)
0.50
(12.70)
0.16
(4.1) min.
ø 0.040
(1.02)
Pins 1,2,3,5,6,7
ø 0.059
(1.50)
Pins 4,8
3
2
4
6
7
8
5
2.28 (57.90)
1.14 (28.96)
0.73
(18.42)
0.60
(15.24)
Mounting hole diameter:
0.126 (3.2) clearance hole
0.30
(7.62)
1.86 (47.20)
BOTTOM VIEW
PIN CONNECTIONS
Pin Function
1 +Vin
2 Remote On/Off
3 -Vin
4 -Vout
5 -Sense
6 Trim
7 +Sense
8 +Vout
1. Dimensions are in inches (mm)
2. Tolerances: X.XX = ±0.02 (X.X = ±0.5)
X.XXX = ±0.01 (X.XX = ±0.25)
3. Weight: 0.15 lbs (66 g) approx
Air Flow Rate
Typical R
ca
Natural Convection
20 ft. / min (0.1 ms)
10.1 °C/W
100 ft./min (0.5 ms) 8.0 °C/W
200 ft./min (1.0 ms) 5.4 °C/W
300 ft./min (1.5 ms) 4.4 °C/W
400 ft./min (2.0 ms) 3.4 °C/W
R
ca
= Thermal resistance case to ambient
Thermal Resistance Information
Maximum Power Dissipation vs Ambient Temperature and Air Flow without heatsink
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
0 10 20 30 40 50 60 70 80 90 100
Ambient Temperature ,Ta (ºC)
Power Dissipated ,Pd (W)
Natural Convection
20 ft./min. (0.1 m/s)
100 ft./min. (0.5 m/s)
200 ft./min. (1.0 m/s)
300 ft./min. (1.5 m/s)
400 ft./min. (2.0 m/s)
Derating Curve
DCDC
QSB150350
Models & Ratings
Input Voltage Output Voltage Output Current
I
nput Current
(4)
Efficiency Model Number
(
3)
No Load Full Load
9-36 VDC
(24 V nominal)
3.3 V 30.00 A 200 mA 4.75 A 87.0% QSB15024S3V3
5.0 V 30.00 A 200 mA 7.19 A 87.0% QSB15024S05
12.0 V 12.50 A 100 mA 7.10 A 88.0% QSB15024S12
15.0 V 10.00 A 100 mA 7.19 A 87.0% QSB15024S15
24.0 V 6.50 A 100 mA 7.34 A 88.0% QSB15024S24
1
8-75 VDC
(
48 V nominal)
3
.3 V
3
0.00 A
1
00 mA
2
.34 A
8
8.0%
Q
SB15048S3V3
5
.0 V
3
0.00 A
1
00 mA
3
.47 A
9
0.0%
Q
SB15048S05
1
2.0 V
1
2.50 A
5
0 mA
3
.44 A
9
1.0%
Q
SB15048S12
1
5.0 V
1
0.00 A
5
0 mA
3
.47 A
9
0.0%
Q
SB15048S15
2
4.0 V
6
.50 A
5
0 mA
3
.61 A
9
0.0%
Q
SB15048S24
1
0-36 VDC
(
24 V nominal)
3.3 V 50.00 A 150 mA 7.90 A 87.0% QSB20024S3V3
5.0 V 40.00 A 150 mA 9.58 A 87.0% QSB20024S05
1
2.0 V
1
6.70 A
1
00 mA
9
.71 A
8
6.0%
Q
SB20024S12
1
5.0 V
1
3.30 A
1
00 mA
9
.67 A
8
6.0%
Q
SB20024S15
24.0 V 8.30 A 100 mA 9.54 A 87.0% QSB20024S24
18-75 VDC
(48 V nominal)
3
.3 V
4
0.00 A
8
0 mA
3
.13 A
8
8.0%
Q
SB20048S3V3
5.0 V 40.00 A 80 mA 4.69 A 89.0% QSB20048S05
12.0 V 16.70 A 60 mA 4.74 A 88.0% QSB20048S12
1
5.0 V
1
3.30 A
6
0 mA
4
.72 A
8
8.0%
Q
SB20048S15
24.0 V 8.30 A 60 mA 7.72 A 88.0% QSB20048S24
1
8-36 VDC
(
24 V nominal)
3.3 V 70.0 A 130 mA 10.94 A 88.0 % QSB35024S3V3
5
.0 V
7
0.0 A
2
50 mA
1
6.29 A
8
9.5 %
Q
SB35024S05
1
2.0 V
2
9.2 A
2
20 mA
1
5.96 A
9
1.5%
Q
SB35024S12
24.0 V 14.6 A 40 mA 16.22 A 90.0% QSB35024S24
28.0 V 12.5 A 50 mA 16.03 A 91.0% QSB35024S28
(
5)
48.0 V 7.3 A 60 mA 16.22 A 90.0% QSB35024S48
(
5)
36-75 VDC
(48 V nominal)
3.3 V 70.0 A 80 mA 5.41 A 89.0% QSB35048S3V3
5.0 V 70.0 A 120 mA 8.01 A 91.0% QSB35048S05
12.0 V 29.2 A 100 mA 7.89 A 92.5% QSB35048S12
24.0 V 14.6 A 40 mA 7.98 A 91.5% QSB35048S24
28.0 V 12.5 A 30 mA 7.88 A 92.5% QSB35048S28
(
5)
48.0 V 7.3 A 60 mA 7.93 A 92.0% QSB35048S48
(
5)
Notes
Notes
1. Ripple & noise is measured with a 10 µF tantalum capacitor and 1.0 µF ceramic
capacitor across output.
2. Logic compatibility: Ref to -ve input. Module On = open circuit.
Module Off = <0.8 VDC.
3. Add suffix ‘N’ to the model number to receive the unit with negative logic
Remote On/Off.
4. Input current specified at 24 V for 10-36 VDC models and 48 V for
18-75 VDC models.
5. Add an external capacitor of 100 µF minimum to maintain specified regulation.
BOTTOM VIEW
(48.3)
1.90
2.28
(57.9)
1.14
(29.0)
1.20
(30.5)
1.40
2.00
1
0.60
(35.6)
(50.8)
(15.2)
3
2
4
Mounting hole diameter:
0.126 (3.2) clearance hole
0.18 min.
2.40
SIDE VIEW
(13.2)
0.52
9
6
7
8
5
(61.0)
(4.6)
ø 0.04
(1.02)
Pins 2,3,
6,7 & 8
ø 0.08
(2.03)
Pins 1,4,
5 & 9
PIN CONNECTIONS
Pin Function
1 +Vin
2 Remote On/Off
3 Case
4 -Vin
5 -Vout
6 -Sense
7 Trim
8 +Sense
9 +Vout
1. Dimensions are in inches (mm)
2. Tolerances: X.XX = ±0.02 (X.X = ±0.5)
X.XXX = ±0.01 (X.XX = ±0.25)
3. Weight: 0.25 lbs (114 g) approx
Mechanical Details

QSB35048S24

Mfr. #:
Manufacturer:
Description:
DC DC CONVERTER 24V 350W
Lifecycle:
New from this manufacturer.
Delivery:
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