KA7522 Datasheet PDF - Fairchild Semiconductor
Part Number | KA7522 | |
Description | DIMMING BALLAST CONTROL IC | |
Manufacturers | Fairchild Semiconductor | |
Logo | ||
There is a preview and KA7522 download ( pdf file ) link at the bottom of this page. Total 9 Pages |
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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/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
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for KA7522 electronic component. |
Information | Total 9 Pages | |
Link URL | [ Copy URL to Clipboard ] | |
Download | [ KA7522.PDF Datasheet ] |
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Featured Datasheets
Part Number | Description | MFRS |
KA7521 | The function is ELECTRONIC BALLAST CONTROLLER. Fairchild Semiconductor | |
KA7522 | The function is DIMMING BALLAST CONTROL IC. Fairchild Semiconductor | |
KA7522D | The function is DIMMING BALLAST CONTROL IC. Fairchild Semiconductor | |
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