MC33368 Motorola, MC33368 Datasheet - Page 11

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

270 Vrms
MOTOROLA ANALOG IC DEVICE DATA
92 to
330 F
R3
20 k
R5
1.3 M
10 k
C9
R8
V ref
Filter
EMI
AGnd
C2
0.01
Mult
T: Coilcraft N2881–A
Primary = 62 turns of #22 AWG
Secondary = 5 turns of #22 AWG
Core = Coilcraft PT2510, EE25
Gap = 0.072 total for a primary inductance (Lp) of 320 H
RD
8
2
5
D2
D1
Heatsink = AAVID Engineering Inc., 590302B03600, or 593002B03400
1.5 V
Multiplier
V rms
V ref
100
110
120
130
138
90
1N4006
D3
D4
79.7
79.3
78.9
78.5
78.1
77.8
Pin
Load Detect
Low
4
0.999
0.998
0.997
0.996
0.994
0.991
PF
Comp
C1
0.68
Quickstart
I fund
Q
0.89
0.79
0.72
0.66
0.60
0.57
1.08 x V ref
Overvoltage
Comparator
AC Line Input
Set Dominant
MC33368
C5
1.0
Figure 15. 80 W Power Factor Controller
R S Latch
R
R
S
S
S
Timer
1
THD
Power Factor Controller Test Data
Current Harmonic Distortion (% I fund )
0.5
0.5
0.5
0.5
0.5
0.5
Q
V ref
C6
0.1
R
Reference
0.15
0.14
0.16
0.15
0.14
0.15
2
5.0 V
V ref
MC33368
Leading Edge
0.09
0.09
0.13
0.12
0.12
0.14
Zero
Current
Detect
3
Blanking
UVLO
15 V
Frequency
Clamp
0.06
0.08
0.08
0.08
0.07
0.08
5
1.2/1.0
16
0.09
0.10
0.10
0.13
0.14
0.14
7
3
13/8.0
Line
FB
V O(pp)
3.0
3.0
3.0
3.0
3.0
3.0
Not Used: D7, C8, R6, R9
244.4
242.9
243.0
243.0
243.0
242.9
V O
V CC
ZCD
Gate
PGnd
10
13
FC
LEB
CS
12
11
7
9
6
DC Output
15 V
1N4744
0.31
0.31
0.31
0.31
0.31
0.31
I O
D8
22 k
R4
To V CC
Pin 12
C4
100
75.54
75.30
76.01
75.57
75.57
75.57
R13
P O
51
R11
C7
10 pF
R10
10
10
1N4934
n(%)
95.4
95.3
95.4
96.3
96.7
97.1
D6
Q1
T
320 H
MUR130
MTP8N50E
R7
0.1
0.25 W
D5
C3
220
V O
R1
10 k
R2
470 k
11