PAF600F280-28 TDK Corporation, PAF600F280-28 Datasheet - Page 33

• Manufacturer Part Number: PAF600F280-28
• Description: 28V@21.5A
• Manufacturer: TDK Corporation

・All specifications are subject to change without notice.
PAF
Verify following items before concluding power module
damage.
1）No output voltage
2）Output voltage is high
● Is specified input voltage applied?
● Are the ON/OFF control terminal (+ON/OFF,
● Is output current of the auxiliary power supply for
● For cases where output voltage adjustment is used,
● Are there no abnormalities in the output load used?
● Is the baseplate temperature within the specified
● Are the remote sensing terminals (+S, -S) correctly
● Is the measurement done at the sensing points?
● For cases where output voltage adjustment is used,
-ON/OFF), remote sensing terminal (+S, -S), output
voltage trimming terminal (TRIM), Over Voltage Pro-
tection operating voltage trimming terminal (OVP)
correctly connected?
external signals terminal (AUX) within the specified
value ?
is the resistor or variable resistor setting, connec-
tions correctly done?
temperature range?
connected?
is the resistor or volume setting, connections cor-
rectly done?
500F48, 600F48, 700F48
4. Before concluding power module damage
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
● Is the measurement done at the sensing points?
● For cases where output voltage adjustment is used,
● 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 equiva-
● Is the input ripple voltage value within the specified
connected?
is the resistor or variable resistor setting, connec-
tions correctly done?
connected?
lent with the specified method in the Application
Notes?
value?
B-125
PAF