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What is KA7522?

This electronic component, produced by the manufacturer "Fairchild Semiconductor", performs the same function as "DIMMING BALLAST CONTROL IC".


KA7522 Datasheet PDF - Fairchild Semiconductor

Part Number KA7522
Description DIMMING BALLAST CONTROL IC
Manufacturers Fairchild Semiconductor 
Logo Fairchild Semiconductor Logo 


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Total 9 Pages



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No Preview Available ! KA7522 datasheet, circuit

KA7522/D
DIMMING BALLAST CONTROL IC
BALLAST CONTROL IC
The KA7522 is a electronic ballast controller for fluorescent inverter syst-
ems. It contains whole function in KA7521, current feed back and prehea-
ting 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
GENERA-
TOR
+
-
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
OVER-
CURREN 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

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KA7522 equivalent
KA7522/D
DIMMING BALLAST CONTROL IC
PIN CONNECTION (top view)
20 SOP
GND 1
Out1 2
20 VCC
19 Out2
NC 3
18 R hys
Vsns 4
Vlm1 5
17 Tsns
KA7522D
16 Vds
Vlm2 6
15 Vgs
Ct 7
14 Vref
Rt 8
Rd 9
Cs 10
13 Vfb
12 Vml
11 Vmo
22 DIP
GND 1
Out1 2
NC 3
Vsns 4
Vlm1 5
KA7522
Vlm2 6
NC 7
Ct 8
Rt 9
Rd 10
Cs 11
22 VCC
21 Out2
20 R hys
19 Tsns
18 Vds
17 Vgs
16 NC
15 Vref
14 Vfb
13 Vml
12 Vmo


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for KA7522 electronic component.


Information Total 9 Pages
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Download [ KA7522.PDF Datasheet ]

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Featured Datasheets

Part NumberDescriptionMFRS
KA7521The function is ELECTRONIC BALLAST CONTROLLER. Fairchild SemiconductorFairchild Semiconductor
KA7522The function is DIMMING BALLAST CONTROL IC. Fairchild SemiconductorFairchild Semiconductor
KA7522DThe function is DIMMING BALLAST CONTROL IC. Fairchild SemiconductorFairchild Semiconductor

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