ml4831 Microsemi Corporation, ml4831 Datasheet - Page 12

• Manufacturer Part Number: ml4831
• Description: Electronic Ballast Controller
• Manufacturer: Microsemi Corporation

ML4831
TABLE 1: PARTS LIST FOR ML4831EVAL EVALUATION KIT
RESISTORS: (Continued)
QTY.
DIODES:
IC’s:
TRANSISTORS:
MAGNETICS:
12
4
1
1
1
1
4
2
1
5
1
3
1
1
R14, 17, 24, 25 100K, 1/4W, 5%, carbon film resistor
R15
R16
R21
R23
D1, 2, 3, 4
D5, 6
D7
D8, 9, 11,
12, 13
IC1
Q1, 2, 3
T1
T2
REF.
681K, 1/4W, 5%, carbon film resistor
10K, 1/4W, 1%, metal film resistor
33 , 1/4W, 5%, carbon film resistor
25K, pot (for dimming adjustment)
1A, 600V, 1N4007 diode
(or 1N5061 as a substitute)
1A, 50V (or more), 1N4001 diodes
3A, 400V, BYV26C or BYT03 400 fast recovery
or MUR440 Motorola ultra Fast diode
0.1A, 75V, 1N4148 signal diode
ML4831, Electronic Ballast Controller IC
3.3A, 400V, IRF720 power MOSFET
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%
T2 Gate Drive Xfmr, L
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
DESCRIPTION
PRI
= 3mH, Custom Coils P/N 5037 or Coiltronics P/N CTX05-12539-1
Yageo
Yageo
Dale
Yageo
Bourns
Motorola
Motorola
GI
Motorola
Micro
Linear
IR
MFR.
(Continued)
PART NUMBER
3386P-253-ND
SMA4-10K-1
1N4007TR
1N4001TR
1N4148TR
ML4831CP
BYV26C
100K-Q
681K-Q
IR720
33-Q