LM134-3 データシートの表示（PDF） - Linear Technology
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LM134-3 Datasheet PDF : 12 Pages
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LM134 Series
TYPICAL APPLICATIO S
Higher Output Current
VIN
2N2905
R1*
V+
C1*
R
LM334 V–
RSET
–VIN TA05
*SELECT R1 AND C1 FOR OPTIMUM STABILITY
Low Output Impedance Thermometer
Low Input Voltage Reference Driver
C1
0.0022
VIN
R1
15k
V+
R
LM334 V–
R2
300Ω
2N4250
VIN ≥ VREF + 200mV
C1
0.1
VOUT = 10mV/°K
ZOUT ≤ 2Ω
R3
100Ω
LM334
R1
1.5k
Q1
2N4250
V+
+
VZ
R–
VOUT = VZ + 64mV AT 25°C
IOUT ≤ 3mA
LT1009
R2
V–
120Ω
R4
4.5k
TA07
TA06
Micropower Bias
VIN
LM4250
LM334
1µA
V+
RSET
R 68k
V–
TA08
–VIN
1.2V Regulator with 1.8V Minimum Input
100k
VIN ≥ 1.8V
C1
0.001 R1
33k
2N4250
VOUT = 1.2V
IOUT ≤ 200µA
1N457**
V+
R1*
≈6k
LM134**
R
1%
R2*
V–
680Ω
1%
TA09
*SELECT RATIO OF R1 TO R2 FOR ZERO TEMPERATURE DRIFT
**LM134 AND DIODE SHOULD BE ISOTHERMAL
Zener Biasing
LM334
VIN
V+
R
V–
VZ
RSET
VOUT
TA10
Alternate Trimming Technique
VIN
V+
R
LM334 V–
R1*
RSET
TA11
–VIN
*FOR ±10% ADJUSTMENT, SELECT RSET
10% HIGH AND MAKE R1 ≈ 3RSET
8
Buffer for Photoconductive Cell
1.5V
V+
LM334
R
V–
TA12
High Precision Low TC Current Source
+
ISET ≥ 50µA
V+
R
LM334
V–
LT1004-1.2
(1.235V)
R1
6.8k
R2*
TA13
–
*ISET
=
1.37V
R2
+
10µA
ISET TC = 0.016%/°C + 33nA/°C
REGULATION ≈ 0.001%/V
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