KA7540 查看數據表（PDF） - Fairchild Semiconductor
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KA7540 Datasheet PDF : 14 Pages
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KA7540
Absolute Maximum Ratings
Parameter
Supply voltage
Peak drive output current
Drive output clamping diodes
VO>VCC, or VO<−0.3
Dimming, soft start, and no lamp detection input voltage
Operating temperature range
Storage temperature range
Power dissipation
8-DIP
8-SOP
Thermal resistance (Junction-to-air)
8-DIP
8-SOP
Symbol
VCC
IOH, IOL
Iclamp
VIN
Topr
Tstg
Pd
θja
Absolute Maximum Ratings (-25°C≤Ta≤125°C)
Parameter
Temperature stability for reference voltage (Vref)
Temperature stability for operating frequency (fos)
Symbol
∆Vref (Typ)
∆fos (Typ)
Value
30
±300
±10
−0.3 to 6
-25 to 125
−65 to 150
0.8
0.5
100
165
Value
15
5
Unit
V
mA
mA
V
°C
°C
W
°C/W
Unit
mV
kHz
4
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