PS100-24-S24 POWERSOLVE, PS100-24-S24 Datasheet - Page 3

• Manufacturer Part Number: PS100-24-S24
• Description: CONVERTER, DC/DC, 100W, 24V
• Manufacturer: POWERSOLVE

Specifications of PS100-24-S24

• Output Type: Single
• No. Of Output Channels: 1
• Input Voltage: 18V To 36V
• Power Rating: 100W
• Output Voltage: 24V
• Output Current: 4.17A
• Supply Voltage: 24V
• Dc / Dc Converter Case Style: Half Brick
• Isolation: RoHS Compliant
• Dc / Dc Converter O/p Type: Single
• No. Of Outputs: 1
• Rohs Compliant: Yes

High Density DC-DC Modules
Application Note
Derating:
The operating case temperature range of the PS100 series is -40°C to +100°C. When operating the PS100 series,
proper derating or cooling is needed.
The following curve is the derating curve of a PS100 without heat sink.
Where:
The thermal resistances are listed below:
Chart of Thermal Resistance vs Air Flow:
The temperature rise (
AIR FLOW RATE
Natural Convection 20ft./min. (0.1m/s)
100 ft./min. (0.5m/s)
200 ft./min. (1.0m/s)
300 ft./min. (1.5m/s)
400 ft./min. (2.0m/s)
500 ft./min. (2.5m/s)
600 ft./min. (3.0m/s)
700 ft./min. (3.5m/s)
800 ft./min. (4.0m/s)
Powersolve Electronics Ltd, Units 8, 9 and 12 The Paddock, Hambridge Road, Newbury, Berks RG14 5TQ
50
45
40
35
30
25
20
15
10
5
0
0
The power dissipation (Pd):
Pd = Pi - Po = Po (1-n) /n
Power Dissipated vs Ambient Temperature and Air Flow
T = Pd * Rca
10
20
T ):
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Forced Convection Power Derating without Heat Sink
Ambient Temperature, Ta(Deg. C)
30
40
TYPICAL Rca
7.12 °C/W
6.21 °C/W
5.17 °C/W
4.29 °C/W
3.64 °C/W
2.96 °C/W
2.53 °C/W
2.37 °C/W
2.19 °C/W
50
60
70
80
90
100
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)
500 ft./min. (2.5 m/s)
600 ft./min. (3.0 m/s)
700 ft./min. (3.5 m/s)
800 ft./min. (4.0 m/s)
Natural Convection
20 ft./min. (0.1 m/s)
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