GE Industrial Solutions PIM300X Series - Manual (Page 11)

Data Sheet
November 29, 2010
PIM300X Series; ATCA Board Power Input Modules
-38 to -75Vdc; 300W Input
LINEAGE POWER 11
Thermal Derating Curves (continued), Hot Spot & OTP Component Locations
OU
TP
U
T
C
U
R
R
E
N
T
,
Io
(A
)
OU
TP
U
T
C
U
R
R
E
N
T
,
Io
(A
)
AMBIENT TEMPERATURE, T
A
O C AMBIENT TEMPERATURE, T
A
O C
Figure 14-3. PIM300A Derating Output Current versus
Local Ambient Temperature and Airflow
(Vin = -48Vdc; MGMT_PWR, 5.0V = 6W)
Figure 14-4. PIM300A Derating Output Current versus
Local Ambient Temperature and Airflow
(Vin = -48Vdc; MGMT_PWR, 5.0V=8W)
Top View Bottom View
Figure 15. Thermal Reference Point,T
ref
locations
Top View Bottom View
Figure 16. Location of Over Temperature Protection thermal sensors, T
OTP
(Trip Point = 125
o
C +/- 5
o
C)
T
ref
2
T
max
=110
o
C
T
ref
1
T
max
=125
o
C
T
ref
3
T
max
=120 o C