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ML4832CS Datasheet(PDF) 11 Page - Micro Linear Corporation

Part # ML4832CS
Description  Electronic Dimming Ballast Controller
PDF  15 Pages
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Manufacturer  MICRO-LINEAR [Micro Linear Corporation]
Direct Link  http://www.microlinear.com
Logo MICRO-LINEAR - Micro Linear Corporation

ML4832CS Datasheet(HTML) 11 Page - Micro Linear Corporation

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ML4832
11
TYPICAL APPLICATIONS
Figures 9 and 10 show ballast schematics, both non-
dimming and dimming. These are power-factor corrected
60W ballasts designed to operate two series connected
F32T8 fluorescent lamps. Both Schematics, Figures 9 and
10, are of previously published ML4831 circuits that have
been modified for ML4832 compatibility. The value
changes and component additions made for ML4832
compatibility were for different amplifier compensation,
bootstrap/bias and protection and do not effect the validity
of the circuit description, operational information or
equations.
TO CONVERT FROM AN EXISTING NON-DIMMING
ML4831 TO THE ML4832:
Resistors
Change:
R4
to
51k
W, 1/4 W, 5% carbon film
R6, R7 to
866k
W, 1/4 W, 1%, metal film
R7
to
75k
W, 1/4 W, 5%, carbon film
R18
to
470
W, 1/4 W, 5%, carbon film
R13
to
5.76k
W, 1/4 W, 1%, metal film
R14
to
499k
W, 1/4 W, 5%, carbon film
Add:
R24
75k
W, 1/4 W, 5%, carbon film
R22
51
W, 1/4 W, 5%, carbon film
R23
100
W, 1/4 W, 5%, carbon film
Delete:
R9
Capacitors
Change:
C5
to
10nF, 63V, 10% ceramic
C7
to
180pF, 100V, 5% ceramic
C11
to
1nF, 100V, 10% ceramic
C12
to
100nF, 100V, 10% ceramic
C18
to
100µF, 16V, 20% electrolytic
C20
to
100µF, 25V, 20% electrolytic
Add:
C23
33nF, 50V, 20% ceramic
Magnetics
Change:
T1
to
TSD-882
TO CONVERT FROM AN EXISTING DIMMING ML4831
TO THE ML4832:
Resistors
Change:
R4
to
51k
W, 1/4 W, 5% carbon film
R6, R11 to
866k
W, 1/4 W, 1%, metal film
R7
to
75k
W, 1/4 W, 5%, carbon film
R18
to
470
W, 1/4 W, 5%, carbon film
R13
to
5.76k
W, 1/4 W, 1%, metal film
R14
to
499k
W, 1/4 W, 5%, carbon film
R26
to
200k
W, 1/4 W, 5%, carbon film
Add:
R32
75k
W, 1/4 W, 5%, carbon film
R30
51
W, 1/4 W, 5%, carbon film
R31
100
W, 1/4 W, 5%, carbon film
Delete:
R9
Capacitors
Change:
C5
to
10nF, 63V, 10% ceramic
C7
to
180pF, 100V, 5% ceramic
C25
to
1nF, 100V, 10% ceramic
C12
to
100nF, 100V, 10% ceramic
C24
to
100µF, 16V, 20% electrolytic
C20
to
100µF, 25V, 20% electrolytic
Add:
C27
33nF, 50V, 20% ceramic
C26
100nF, 100V, 10% ceramic
Diodes
Delete:
D10, D13
Magnetics
Change:
T1
to
TSD-882



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