參數(shù)資料
型號(hào): MAX845
廠商: Maxim Integrated Products, Inc.
英文描述: Isolated Transformer Driver for PCMCIA Applications(750mW,隔離變壓器驅(qū)動(dòng)器)
中文描述: 隔離型、變壓器驅(qū)動(dòng)器,適用于PCMCIA設(shè)計(jì)
文件頁數(shù): 9/16頁
文件大小: 230K
代理商: MAX845
M
Isolated Transformer Driver
for PCMCIA Applic ations
_______________________________________________________________________________________
9
0.1μF
ISO
GND
C1
0.1μF
5V @ 50mA
ISOOUTPUT
D1
TELEPHONE SUBSCRIBER LINE
2M
100k
1k
100k
100k
100k
680k
Q1
2N3906
Q2
2N3904
6.8V
2W
MAX845
D1
D2
FS
SD
GND1
GND2
V
CC
1
T1
1:2:1
8
3
22k
22k
N.C.
6
2
7
4
D2
1N5817
IC2
TL431
ISOLATION
BARRIER
D3
1N5817
IC1
Figure 7. 5V from Telephone-Subscriber Line
10μF
5V
MAX845
D1
D2
GND1
2
GND2
7
V
CC
1
8
6
1N5817
SD
4
1N5817
1CT
:
5CT
49.9k
7
6
3
2
4
7
6
3
2
4
10k
24.9
2N3904
MAX480
MAX480
0.1V to 0.5V
ISO
5V
I
4mA to 20mA
78L05
GND
4
3
2
1
5
6
24V UNREGULATED
49.9k
R
L
0k to 1k
2N3904
ISOLATION
BARRIER
V
IN
IN
OUT
IL300
Figure 8. Typical 4mA/20mA Application Circuit
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