MC33368 Motorola, MC33368 Datasheet - Page 12

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

12
270 Vrms
92 to
R3
10 k
R5
1.3 M
1.0 M
2.2
C9
R8
V ref
Filter
EMI
AGnd
C2
0.01
Mult
RD
8
2
5
D2
D1
1.5 V
Multiplier
V ref
Heatsink = AAVID Engineering Inc., 590302B03600
V rms
120
138
180
240
268
90
1N5406
D3
D4
Load Detect
190.4 0.995
192.1 0.997
192.7 0.997
194.3 0.995
189.3 0.983
186.3 0.972
Pin
4
Low
Figure 16. 175 W Universal Input Power Factor Controller
Not Used: D7, C7, C8, R6, R9, R10
Comp
C1
2.2
PF
Quickstart
Q
1.08 x V ref
Overvoltage
Comparator
Set Dominant
I fund
MC33368
2.11
1.60
1.40
1.08
0.80
0.71
C5
1.0
R S Latch
R
R
S
S
S
AC Line Input
Timer
1
Power Factor Controller Test Data
Q
Current Harmonic Distortion (% I fund )
THD
V ref
5.8
3.2
0.9
0.9
0.7
0.6
C6
0.1
R
Reference
5.0 V
0.16
0.08
0.08
0.04
0.08
0.11
2
MC33368
V ref
Leading Edge
Zero
Current
Detect
Blanking
0.32
0.17
0.24
0.18
0.21
0.32
UVLO
15 V
Frequency
3
Clamp
0.24
0.07
0.03
0.04
0.08
0.10
1.2/1.0
5
16
3
0.80
0.30
0.15
0.08
0.06
0.10
13/8.0
7
Line
FB
6.9 V
V O(pp)
3.6
3.6
3.6
3.6
3.6
3.6
MOTOROLA ANALOG IC DEVICE DATA
V CC
ZCD
Gate
PGnd
10
13
FC
LEB
CS
12
11
Core: Coilcraft PT4215, EE42–15
9
6
398.0
398.9
402.3
409.1
407.0
406.2
7
T: Coilcraft N2880–A
L = 870 Hy
Primary: 78 turns of #16 AWG
Secondary: 6 turns of #18 AWG
Gap: 0.104 total
V O
15 V
DC Output
1N4744
D8
0.44
0.44
0.45
0.45
0.45
0.44
22 k
I O
R4
To V CC
Pin 12
C4
100
R13
51
R11
175.9
177.1
179.0
182.9
181.1
180.4
10
P O
1N4934
D6
Q1
n(%)
92.4
92.2
92.9
94.1
95.7
96.8
T
MTW20N50E
MUR460
R7
0.1
D5
C3
330
V O
R1
10 k
R2
820 k