Datasheet

6
UCC2750
UCC3750
Figure 1. Typical application circuit.
APPLICATION INFORMATION (cont.)
UDG-99075
15
28
2
4
26
27
25
6
CR5
C10
2.2µF
C11 0.22
µF
CR7
5
C12 0.22
µF
7
18 16 17 10
R11 148k
C14 1nF
R12 2.7k
R13 62k
C16 2.2
µF
R15 15k
R14 3.3M
OUT2
NEG2
VS 2
VDD
VS 1
VCP
OUT1
NEG1
REF
ENBL
GD3
GD2
VDD
5V
SINFLT
C9
0.47
µF
24 23
1
11 12
OUTDC
NEGDC
RT
RGOO D
CT
GD1
AMP O UT
XTAL1
XTAL2
13 14 22 21
AMP IN
FS 0
FS 1
20 19
R3
R4 16k
C7 470pF
C5
0.47
µF
R5 30k
R6
10k
X1 3 2 kHz
C6 0.1
µF
R2
Q2
CR2
BYV99
R9
C4
1µF
250V
CR8
CR3 BYV26C
Q3
CR1
BYV99
R18
VDD
C19
100µF
CR6
R25 10k
C13
1µF
C18
22µF
R26
R27
R10
148k
9
8
3
SINREF
SWRLY
GND
C17
0.047
µF
S4 S1 S3 S2
VDD
R17
CR12
IR F 8 4 0
C20
R20
T1
10
7,9
6
4
5
1
T2
4
3
2
1
C3 0.1
µF
Q4
Q6
MPSA06
Q5
2N5457
3
2
1
3
2
1
3
2
1
R23
CR9
R1
10k
R22
C22
C2
100µF
C1
100µF
C23
0.47
µF
V
IN
RTN
REF
VB
REF
V
OUT
GND
2N7001DICT
R21
C21
CR10
MTP2P50E