ALD1102 查看數據表（PDF） - Advanced Linear Devices
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ALD1102 Datasheet PDF : 8 Pages
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TYPICAL APPLICATIONS (cont.)
BASIC CURRENT SOURCES
N- CHANNEL CURRENT SOURCE
ISOURCE
V+ = +5V
ISET
RSET
5
Q2 8 6
7
3
Q1
2
1
ALD1101,
1/2 ALD1106,
or ALD1116
ISOURCE = ISET
= V+ - Vt
RSET
=~ V+ - 1.0 =~
RSET
4
RSET
Q1, Q2 : N - Channel MOSFET
P- CHANNEL CURRENT SOURCE
V+ = +5V
ALD1102,
1/2 ALD1107,
or ALD1117
8
Q3 3 2
ISET
RSET
6
5
7
Q4
I SOURCE
Q3, Q4: P - Channel MOSFET
ISOURCE
Q4
Q2
CASCODE CURRENT SOURCES
V+ = +5V
ISET
RSET
Q1
Q3
Q3
V+ = +5V
2 x ALD1102
or ALD1107
Q2
Q4
Q1
2 x ALD1101
or ALD1106
ISET
RSET
ISOURCE
ISOURCE = ISET
=
V+ - 2Vt
RSET
=~
3
RSET
Q1, Q2, Q3, Q4: N - Channel MOSFET
(ALD1101 or ALD1103)
Q1, Q2, Q3, Q4: P - Channel MOSFET
(ALD1102 or ALD1103)
ALD1102A/ALD1102B/ALD1102
Advanced Linear Devices
5 of 8
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