PSK1212-9 POWER ONE, PSK1212-9 Datasheet - Page 18

• Manufacturer Part Number: PSK1212-9
• Manufacturer: POWER ONE
• Type: Step Downr

Specifications of PSK1212-9

• Output Current: 12A
• Input Voltage: 18 to 144V
• Output Voltage: 12V
• Number Of Outputs: 1
• Output Power: 144
• Screening Level: Commercial
• Operating Temperature Min Deg. C: -40C
• Operating Temperature Max Deg. C: 71C
• Product Length (mm): 168.5mm
• Product Depth (mm): 111mm
• Product Height (mm): 80mm
• Mounting Style: Screw
• Pin Count: 15
• Lead Free Status / Rohs Status: Not Compliant

Fig. 14
Option B, large cooling plate
Weight: 1.3 kg
Fig. 15
Option B1, small cooling plate
Weight: 1.2 kg
B, B1 Cooling Plate
Where a cooling surface is available, a cooling plate (option B
or option B1) can be fitted instead of the standard heatsink.
The mounting system must ensure sufficient cooling capacity
BCD20029-G Rev AA, 28-Apr-09
5
5
®
47.2
47.2
38.5
38.5
11.8
11.8
17.3
5
Page 18 of 20
M 4
to guarantee that the maximum case temperature T
exceeded. The required cooling capacity can be calculated by
the following formula:
P
133.4
Loss
168
168
171.9
158
= –––––––- • (V
±0.2
±0.5
100% –
Positive Switching Regulators
PSS, PSK Series Data Sheet
11027
o
• I
o
)
11028
30
6.5
www.power-one.com
C max
Projection
European
is not