ALD1103 Ver la hoja de datos (PDF) - Advanced Linear Devices
Número de pieza
componentes Descripción
Fabricante
ALD1103 Datasheet PDF : 9 Pages
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TYPICAL APPLICATIONS (cont.)
BASIC CURRENT SOURCES
N-CHANNEL CURRENT SOURCE
V+ = +5V
ISOURCE
ISET
RSET
5
Q2 8 6
7
3
Q1
2
1
1/2 ALD1103
ISOURCE = ISET = V+ - Vt =~ V+ - 1.0 =~ 4
RSET
RSET
RSET
Q1, Q2 : N - Channel MOSFET
P-CHANNEL CURRENT SOURCE
V+ = +5V
1/2 ALD1103
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
Q3
Q1
V+ = +5V
Q1
Q3
ISET
RSET
Q2
Q4
ISOURCE
Q1, Q2, Q3, Q4: N - Channel MOSFET
(ALD1101 or ALD1103)
ISOURCE = ISET
=
V+ - 2Vt
RSET
=~
3
RSET
Q1, Q2, Q3, Q4: P - Channel MOSFET
(ALD1102 or ALD1103)
ALD1103
Advanced Linear Devices
6 of 9
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