전자부품 데이터시트 검색엔진 |
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KA7540D 데이터시트(PDF) 5 Page - Samsung semiconductor |
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KA7540D 데이터시트(HTML) 5 Page - Samsung semiconductor |
5 / 14 page KA7540 KA7540 KA7540 KA7540 5 5 5 5 Electrical Characteristics Electrical Characteristics Electrical Characteristics Electrical Characteristics Unless otherwise specified, for typical values Vcc=14V, Ta=25 °C, For Min/Max values Ta is the operating ambient temperature range with -25 °C ≤ Ta ≤ 125°C and 14V≤ Vcc≤ 30V Notes : Notes : Notes : Notes : 1. This parameter is not tested in production but tested in wafer. 2. This parameter, although guaranteed, is not 100% tested in production. Parameter Parameter Parameter Parameter Symbol Symbol Symbol Symbol Conditions Conditions Conditions Conditions Min. Min. Min. Min. Typ. Typ. Typ. Typ. Max. Max. Max. Max. Unit Unit Unit Unit UNDER VOLTAGE LOCK OUT SECTION UNDER VOLTAGE LOCK OUT SECTION UNDER VOLTAGE LOCK OUT SECTION UNDER VOLTAGE LOCK OUT SECTION Start threshold voltage VTH(st) VCC increasing 11.5 12.5 13.5 V UVLO hysteresis HY(st) - 1.3 1.8 2.3 V SUPPLY CURRENT SECTION SUPPLY CURRENT SECTION SUPPLY CURRENT SECTION SUPPLY CURRENT SECTION Start up supply current IST VCC<VTH(st), Vcc=14V -0.2 0.3 mA Operating supply current ICC Output not switching - 6 10 mA Dynamic operating supply current IDCC 50kHz, CI=1nF - 7 14 mA REFERENCE SECTION REFERENCE SECTION REFERENCE SECTION REFERENCE SECTION Reference voltage(Note1) Vref Iref=0mA, Vcc=14V 1.95 2 2.05 V Line regulation(Note1) ∆Vref 1 14V ≤VCC≤25V - 0.1 10 mV Temperature stability of Vref(Note1) ∆Vref 2 -25 ≤Ta≤125°C, Vcc=14V -15 - mV OSCILLATOR SECTION OSCILLATOR SECTION OSCILLATOR SECTION OSCILLATOR SECTION Operating frequency fos VSS=3V, CT=470pF 44 50 56 kHz Operating dead time tod VSS=3V, Vcc=14V 2.4 2.9 3.4 µs Soft start frequency fss VSS=0V, CT=470pF 56 65 74 kHz Soft start time current ISS VSS=0V 172533 µA Soft start dead time tsd VSS=0V, Vcc=14V 1.8 2.3 2.8 µs Dimming frequency fd Vss=5V, Vdim=1V 58 72 86 kHz OUTPUT SECTION OUTPUT SECTION OUTPUT SECTION OUTPUT SECTION Rising time (Note2) tr CI=1nF - 120 200 ns Falling time (Note2) tf CI=1nF - 50 100 ns Maximum output voltage Vomax(o) VCC=20V 12 15 18 V Output voltage with UVLO activated Vomin(o) VCC=5V, IO=100 µA- - 1 V NO LAMP PROTECTION SECTION NO LAMP PROTECTION SECTION NO LAMP PROTECTION SECTION NO LAMP PROTECTION SECTION No lamp detect voltage Vnd - 1.9 2 2.1 V |
유사한 부품 번호 - KA7540D |
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유사한 설명 - KA7540D |
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