參數(shù)資料
型號: L6668TR
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: 0.8 A SWITCHING CONTROLLER, 105 kHz SWITCHING FREQ-MAX, PDSO16
封裝: LEAD FREE, SOP-16
文件頁數(shù): 13/23頁
文件大?。?/td> 720K
代理商: L6668TR
L6668
20/23
Figure 46. Typical Application: 80W, WRM flyback; Electrical Schematic
Table 6. Light load measurements on the circuit of figure 46
Output power
Test condition
Input power
Pout = 0.5 W
Vin= 110 Vac
0.71 W
Vin= 230 Vac
0.86 W
Pout = 0 W
Vin= 110 Vac
0.09 W
Vin= 230 Vac
0.17 W
88 to264
Vac
BD1
DF04M
C1
100 F
400 V
4
R710
12
R12 1k
R13A,B
0.56
1/2W
5
7
10
R4
330 k
815
16
C5
3.3 nF
R8
4.03 k
11
Q1
STP9NK65
C8A,B,C
680 F
25 V
GND
L6668
C12
2.2 nF
Y1
D2
STTH1L06
R3 10
R5 47k
C2
47 F
25 V
9
1
S-COMP
VREF
C4
100 nF
C6
56 nF
RCT
SS
R1
3 M
3
GND
ISEN
OUT
HV
VCC
DIS
COMP
SKIPADJ
T1
18V/4.5A
13
STBY
1
2
3
R15
1.2 k
R14
4.3 k
R18
1.3 k
C7
2.2 nF
C3 100 nF
C10
100 nF
R9
6.2 k
R17
8.06 k
R16
47 k
D3 1N4148
D4
STPS20150CT
R2
3 M
OC1
PC817A
TL431
N1
56T
N2
10T
N3
8T
F1 T2A250V
NTC1
R6
9.1 k
C9
100 nF
J1
J2
D1
1.5KE200
6
N.C.
R10
82.5 k
R11
47 k
OC1
PC817A
T1: CORE E32/16/9, N67
PRIM. IND. 430
H; lgap = 1mm
88 to264
Vac
BD1
DF04M
C1
100 F
400 V
4
R710
12
R12 1k
R13A,B
0.56
1/2W
5
7
10
R4
330 k
815
16
C5
3.3 nF
R8
4.03 k
11
Q1
STP9NK65
C8A,B,C
680 F
25 V
GND
L6668
C12
2.2 nF
Y1
D2
STTH1L06
R3 10
R5 47k
C2
47 F
25 V
9
1
S-COMP
VREF
C4
100 nF
C6
56 nF
RCT
SS
R1
3 M
3
GND
ISEN
OUT
HV
VCC
DIS
COMP
SKIPADJ
T1
18V/4.5A
13
STBY
1
2
3
R15
1.2 k
R14
4.3 k
R18
1.3 k
C7
2.2 nF
C3 100 nF
C10
100 nF
R9
6.2 k
R17
8.06 k
R16
47 k
D3 1N4148
D4
STPS20150CT
R2
3 M
OC1
PC817A
TL431
N1
56T
N2
10T
N3
8T
F1 T2A250V
NTC1
R6
9.1 k
C9
100 nF
J1
J2
D1
1.5KE200
6
N.C.
R10
82.5 k
R11
47 k
OC1
PC817A
T1: CORE E32/16/9, N67
PRIM. IND. 430
H; lgap = 1mm
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