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KA7522D Datasheet

Part Number KA7522D
Manufacturers Fairchild Semiconductor
Logo Fairchild Semiconductor
Description DIMMING BALLAST CONTROL IC
Datasheet KA7522D DatasheetKA7522D Datasheet (PDF)

KA7522/D DIMMING BALLAST CONTROL IC BALLAST CONTROL IC The KA7522 is a electronic ballast controller for fluorescent inverter systems. It contains whole function in KA7521, current feed back and preheating time controlled by temperature sensing. FEATURES • 3-step soft start • Input voltage limit & Brown out • Non Lamp detect, & Lamp reset • ZVS Guard control • Current feedback control • Preheating time controlled by temperature sensing 22 DIP 20 SOP BLOCK DIAGRAM Tsns 17 Rhys 18 ORDERING .

  KA7522D   KA7522D






Part Number KA7522
Manufacturers Fairchild Semiconductor
Logo Fairchild Semiconductor
Description DIMMING BALLAST CONTROL IC
Datasheet KA7522D DatasheetKA7522 Datasheet (PDF)

KA7522/D DIMMING BALLAST CONTROL IC BALLAST CONTROL IC The KA7522 is a electronic ballast controller for fluorescent inverter systems. It contains whole function in KA7521, current feed back and preheating time controlled by temperature sensing. FEATURES • 3-step soft start • Input voltage limit & Brown out • Non Lamp detect, & Lamp reset • ZVS Guard control • Current feedback control • Preheating time controlled by temperature sensing 22 DIP 20 SOP BLOCK DIAGRAM Tsns 17 Rhys 18 ORDERING .

  KA7522D   KA7522D







DIMMING BALLAST CONTROL IC

KA7522/D DIMMING BALLAST CONTROL IC BALLAST CONTROL IC The KA7522 is a electronic ballast controller for fluorescent inverter systems. It contains whole function in KA7521, current feed back and preheating time controlled by temperature sensing. FEATURES • 3-step soft start • Input voltage limit & Brown out • Non Lamp detect, & Lamp reset • ZVS Guard control • Current feedback control • Preheating time controlled by temperature sensing 22 DIP 20 SOP BLOCK DIAGRAM Tsns 17 Rhys 18 ORDERING INFORMATION Device KA7522 KA7522D Package 22 SDIP 20 SOP Operating Temperature Î-25 ~ + 100 Î-25 ~ + 100 Vds Vgs 16 15 VCC 20 BROW N OUT OVER TEMPERATUR E IN P U T V LIM IT ZVS GUARD CONTRO L 10 3 STEP 8 LOW - SOFT TEMPER START 7 SAW TOO TH GENERATOR + - U V L O & 5 V V re f 1 4 V re f 2 D -F/F 2 OUTPUT STAGE 2 OUT2 19 OUT1 D C -F E ED 12 FORW AR D DELAY TIMER D IM M IN G BOX CURREN T FEEDBACK M U LT IP LIE R LAMP DETECT NON LAMP OVERCURREN T 4 Vsns LAMP RESET 9 ñ 5 V lm 1 6 V lm 2 11 Vmo 13 V fb ©1999 Fairchild Semiconductor Corporation Rev. B KA7522/D DIMMING BALLAST CONTROL IC ÎABSOLUTE MAXIMUM RATINGS (TA = 25 , unless otherwise specified) Characteristic Supply Voltage Peak driver output current Operating ambient temperatute Storage temperature Symbol VCC IO(P) T(OPR) TSTG Value 20 500 -25 ~ +100 -65 ~ +150 Unit V mÎÎA ELECTRICAL CHARACTERISTICS Î(VCC = 12V, TA = 25 , unless otherwise specified) Characteristics Under Voltage Lock Out.


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