DatasheetsPDF.com

KA7522D

Fairchild Semiconductor
Part Number KA7522D
Manufacturer Fairchild Semiconductor
Description DIMMING BALLAST CONTROL IC
Published May 9, 2016
Detailed Description KA7522/D DIMMING BALLAST CONTROL IC BALLAST CONTROL IC The KA7522 is a electronic ballast controller for fluorescent i...
Datasheet PDF File KA7522D PDF File

KA7522D
KA7522D

Overview
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 Section Start-Up Threshold Voltage UVLO Hysteresis Start-Up Supply Current Operating Supply Current Reference Section Reference Voltage Load Regulation Preheating Section Preheating Frequency Preheating Time Current Preheating Dead Time Oscillator Section Amplitude Normal Frequency Normal Dead Time 3-step Frequency Section Preheating Voltage Range Soft start Voltage Range Symbol VST VTHS IST ICC LVREF VREF FP IP TPD V(OSC) FN TND VPR VSR Test Conditions VCC = 9V VCC = 14V, No Load  0 IREF 5...


Similar Datasheet


@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site. (Privacy Policy & Contact)