參數(shù)資料
型號(hào): FSCM0765RJ
廠(chǎng)商: FAIRCHILD SEMICONDUCTOR CORP
元件分類(lèi): 穩(wěn)壓器
英文描述: Green Mode Fairchild Power Switch (FPS)
中文描述: 21 A SWITCHING REGULATOR, 72 kHz SWITCHING FREQ-MAX, PSSO6
封裝: D2-PAK, 6 PIN
文件頁(yè)數(shù): 13/20頁(yè)
文件大?。?/td> 495K
代理商: FSCM0765RJ
FSCM0765R
13
Typical application circuit
Features
High efficiency (>81% at 85Vac input)
Low standby mode power consumption (<1W at 240Vac input and 0.4W load)
Low component count
Enhanced system reliability through various protection functions
Low EMI through frequency modulation
Internal soft-start (15ms)
Key Design Notes
Resistors R102 and R105 are employed to prevent start-up at low input voltage
The delay time for over load protection is designed to be about 50ms with C106 of 47nF. If a faster triggering of OLP is
required, C106 can be reduced to 22nF.
1. Schematic
Figure 23. Demo Circuit
Application
Output Power
Input Voltage
Universal Input
Output Voltage (Max Current)
5V (2.0A)
LCD Monitor
40W
(85-265Vac)
12V (2.5A)
3
4
C102
220nF
275VA
C
LF101
23mH
C101
220nF
275VA
C
RT1
5D-9
F1
FUSE
250V
2A
C103
100uF
400V
R103
56k
2W
C104
2.2nF
1kV
D101
UF 4007
C106
47nF
50V
C105
22uF
50V
D102
TVR10G
R104
5
1
2
3
4
5
T1
EER3016
BD101
2KBP06M3N257
1
2
R101
560k
1W
FSCM0765R
I
limit
Vf
b
Vcc
Drain
GND
1
2
3
4
6
ZD10
1
22V
8
10
D202
MBRF10100
C201
1000uF
25V
C202
1000u
F
25V
L20
1
12V,
2.5A
6
7
D201
MBRF1045
C203
1000uF
10V
C204
1000u
F
10V
L20
2
5V, 2A
R201
1k
R202
1.2k
R204
5.6k
R203
10k
C205
47nF
R205
5.6k
C301
4.7n
F
IC301
H11A817A
IC201
KA431
R102
500k
R105
500k
R106
5k
1/4W
5N.C
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