ML4830 View Datasheet(PDF) - Micro Linear Corporation
Part Name
Description
MFG CO.
'ML4830' PDF : 15 Pages View PDF
ML4830
TABLE 1: PARTS LIST FOR ML4830 TYPICAL APPLICATION (Continued)
RESISTORS: (Continued)
QTY.
REF.
DESCRIPTION
MFR.
PART NUMBER
4 R14
100K, 1/4W, 5%, carbon film resistor
Yageo
100K-Q
1 R15
681K, 1/4W, 5%, carbon film resistor
Yageo
681K-Q
1 R16, 19
10K, 1/4W, 1%, metal film resistor
Dale
SMA4-10K-1
1 R18
4.7K, 1/4W, 5%, carbon film resistor
Tageo
681K-Q
1 R21
33ý, 1/4W, 5%, carbon film resistor
Yageo
33-Q
1 R23
25K, pot (for dimming adjustment)
Bourns
3386P-253-ND
DIODES:
4 D1, 2, 3, 4
1A, 600V, 1N4007 diode
(or 1N5061 as a substitute)
Motorola
1N4007TR
2 D5, 6
1A, 50V (or more), 1N4001 diodes
Motorola
1N4001TR
1 D7
3A, 400V, BYV26C or BYT03 400 fast recovery GI
or MUR440 Motorola ultra Fast diode
BYV26C
6 D8, 9, 10, 11 0.1A, 75V, 1N4148 signal diode
12, 13
Motorola
1N4148TR
IC’s:
1 IC1
ML4830, Electronic Ballast Controller IC
Micro
Linear
ML4830CP
TRANSISTORS:
3 Q1, 2, 3
3.3A, 400V, IRF720 power MOSFET
IR
IR720
MAGNETICS:
1 T1
T1 Boost Inductor, E24/25, 1mH, Custom Coils P/N 5039 or Coiltronics P/N CTX05-12538-1
E24/25 core set, TDK PC40 material
8-pin vertical bobbin (Cosmo #4564-3-419),
Wind as follows:
195 turns 25AWG magnet wire, start pin #1, end pin #4
1 layer mylar tape
14 turns 26AWG magnet wire, start pin #3, end pin #2
NOTE: Gap for 1mH ±5%
1 T2
T2 Gate Drive Xfmr, LPRI = 3mH, Custom Coils P/N 5037 or Coiltronics P/N CTX05-12539-1
Toroid Magnetics YW-41305-TC
Wind as follows:
Primary = 25 turns 30AWG magnet wire, start pin #1, end pin #4
Secondary = 50 turns 30AWG magnet wire, start pin #5, end pin #8
12
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