MC33368 Motorola, MC33368 Datasheet - Page 14

• Manufacturer Part Number: MC33368
• Description: HIGH VOLTAGE GREENLINEE POWER FACTOR CONTROLLER
• Manufacturer: Motorola

270 Vac
92 to
14
R3
10.5 k
R5
1.3 M
330 F
1.0 M
Filter
EMI
R8
C9
V ref
C2
0.01
AGnd
Mult
D2
D1
RD
8
2
5
1.5 V
Multiplier
V ref
1N5406
D3
D4
Load Detect
4
Low
Comp
C1
1.0
Quickstart
C5
1.0
Q
1.08 x V ref
Overvoltage
Comparator
Figure 19. 400 W Power Factor Controller
Set Dominant
MC33368
R S Latch
R
R
S
S
S
Timer
1
Q
V ref
C6
0.1
R
Reference
5.0 V
MC33368
V ref
Leading Edge
Zero
Current
Detect
Blanking
UVLO
15 V
Frequency
Clamp
1.2/1.0
16
3
13/8.0
Line
FB
1.5 V
MOTOROLA ANALOG IC DEVICE DATA
V CC
ZCD
Gate
PGnd
10
13
FC
LEB
CS
12
11
9
6
7
1N4744
15 V
D8
22 k
R4
C8
0.001
V ref
C4
100
R13
R10
10 k
51
C7
470 pF
R11
10
R9
10
D6
1N4934
Q1
T
MTW20N50E
MUR460
R7
0.1
D5
820 k
10 k
R1
C3
330
R2
400 V