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STK415-090-E View Datasheet(PDF) - SANYO -> Panasonic

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Description
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STK415-090-E Datasheet PDF : 12 Pages
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STK415-090-E
Recommended Values for Application Parts (for the test circuit)
Symbol
R01, R02
R03, R04
R05, R06
R08, R09
Recommended
Value
1.5kΩ
100Ω/1W
56kΩ
4.7Ω/1W
Description
Determine the current flowing into the power switching
circuit (comparator), (3mA to 10mA at VH power
switching)
Ripple filtering resistors
(Used with C05 and C06 to form a ripple filter.)
Input bias resistors
(Virtually determine the input impedance.)
Oscillation prevention resistor
Larger than Recommended
Smaller than
Value
Recommended Value
Power holding circuit
Power switching circuit
remains active at lower
activates at higher
frequencies.
frequencies.
Decreased pass-through
Increased pass-through
current at high frequencies. current at high frequencies.
VN offset
(Ensure R05=R18, R06=R19 when changing.)
-
-
R11, R12
4.7Ω
Oscillation prevention resistor
-
-
R14,R15
R18, R19
R21, R22
560Ω
56kΩ
1kΩ
Used with R18 and R19 to determine the voltage gain
VG. (VG should desirably be determined by the R14
and R15 value.)
Used with R14 and R15 to determine the voltage gain
VG.
Input filtering resistor
Likely to oscillate
(VG<40dB)
-
-
None
-
-
R24, R26
R30
0.22Ω±10%,
5W
Remarks *7
Output emitter resistors
Decrease in maximum
Likely to cause thermal-
(Use of cement resistor is desirable)
output power
runaway.
Use a limiting resistor according to the voltage applied to the standby pin so that it remains within the rating.
C01, C02
C03, C04
C05, C06
C07, C08
100μF/
100V
100μF/
50V
100μF/
100V
3pF
Oscillation prevention capacitors.
Insert the capacitors as close to the IC as possible to
decrease the power impedance for reliable IC
operation (use of electrolytic capacitors are
desirable).
Oscillation prevention capacitors.
Insert the capacitors as close to the IC as possible to
decrease the power impedance for reliable IC
operation (use of electrolytic capacitors are
desirable).
Decoupling capacitors.
Eliminate ripple components that pass into the input
side from the power line.
(Used with R03 and R04 to form a ripple filter.)
Oscillation prevention capacitor
-
-
-
-
Increase in ripple components that pass into the input side
from the power line.
Likely to oscillate
C10, C11
C13, C14
C16, C17
C19, C20
C22, C23
0.1μF
22μF/
10V
2.2μF/
50V
470pF
100pF
Oscillation prevention capacitor
(Mylar capacitors are recommended.)
NF capacitor
(Changes the low cutoff frequency;
ex/fL=1/2π •C13R14)
Input coupling capacitor (block DC current)
Likely to oscillate
Increase in low-frequency
voltage gain, with higher
pop noise at power-on.
-
Input filter capacitor
(Used with R21 and R22 to form a filter that suppresses
high-frequency noises.)
Oscillation prevention capacitor
-
Likely to oscillate.
Decrease in low-frequency
voltage gain
-
-
D01, D02
D03, D04
L01, L02
15V
3A/60V
3μH
Determine the offset voltage at VLVH power.
Reverse current prevention diodes
(FRD is recommended.)
Oscillation prevention inductance
Decreased distortion at
power switching time
-
None
Increased distortion at
power switching time.
-
Likely to oscillate.
No. A1246-5/12
 

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