PAH100S TDK Corporation, PAH100S Datasheet - Page 53
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PAH100S
Manufacturer Part Number
PAH100S
Description
Manufacturer
TDK Corporation
Datasheet
1.PAH100S.pdf
(82 pages)
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・All specifications are subject to change without notice.
PAH
Isolation Resistance
Use DC isolation tester (MAX 500V) between output and
baseplate. Isolation resistance value is 100MΩ and above
Verify following items before concluding power module
damage.
1) No output voltage
2) Output voltage is high
Fig.19-2 Withstand Voltage Test for Output-Baseplate
Fig.19-1 Withstand Voltage Test for Input-Output and
● Is specified input voltage applied?
● Are the ON/OFF control terminal (CNT), remote sensing
● For cases where output voltage adjustment is used, is
● Are there no abnormalities in the output load used?
● Is the baseplate temperature within the specified tem-
● Are the remote sensing terminals (+S, -S) correctly con-
● Is the measurement done at the sensing points?
● For cases where output voltage adjustment is used, is
terminal (+S, -S), output voltage trimming terminal (TRM)
correctly connected?
the resistor or variable resistor setting, connections cor-
rectly done?
perature range?
nected?
the resistor or volume setting, connections correctly
done?
300S48, 350S48
Input - Baseplate
3. Before concluding power module damage
Withstand voltage Tester
Withstand voltage Tester
1.5kVDC 1 minute (10mA)
500VDC 1minute (10mA)
+Vin
CNT
CASE
−Vin
+Vin
CNT
CASE
−Vin
TRM
+V
−V
+S
−S
TRM
+V
−V
+S
−S
at 500VDC applied voltage. Also take note that depending
on the isolation tester used, some testers generate high
voltage pulse. Discharge the power module after test using
a resistor, etc.
Vibration
Vibration of power module is defined in case of mounting
on printed circuit board.
Shock
Withstand shock value is defined to be the value at Den-
sei -Lambda shipment and packaging conditions.
Others
Please refer to "Power Module Application Note" for ther-
mal design and mounting direction.
3) Output voltage is low
4) Load regulation and line regulation is large
5) Output ripple voltage is large
● Is specified input voltage applied?
● Are the remote sensing terminals (+S, -S) correctly con-
● Is the measurement done at the sensing points?
● For cases where output voltage adjustment is used, is
● Are there no abnormalities in the output load used?
● Is specified input voltage applied?
● Are the input terminals and the output terminals firmly
● Is the measurement done at the sensing points?
● Is the input or output wire too thin?
● Is the measuring method used the same or equivalent
● Is the input ripple voltage value within the specified
nected?
the resistor or variable resistor setting, connections cor-
rectly done?
connected?
with the specified method in the Application Notes?
value?
DC Isolation
Tester
Over 100MΩ at 500VDC
Fig.20-1 Isolation Test
+Vin
CNT
CASE
−Vin
TRM
+V
−V
+S
−S
B-195
PAH