参数资料
型号: LM334Z#PBF
厂商: Linear Technology
文件页数: 8/12页
文件大小: 160K
描述: IC CURRENT SOURCE TO92-3
标准包装: 100
功能: 电流源
输入电压: 0.8 V ~ 40 V
电流 - 输出: 10mA
工作温度: 0°C ~ 70°C
安装类型: 通孔
封装/外壳: TO-226-3、TO-92-3(TO-226AA)成形引线
供应商设备封装: TO-92-3
包装: 散装
LM134 Series
8
TYPICAL APPLICATIO S
TA06
V
+
V

R
LM334
V
IN
R3
100&
R2
300&
R1
15k
R4
4.5k
2N4250
V
OUT
 = 10mV/癒
Z
OUT
 d 2&
C1
0.0022
TA07
V
+
V

R
LM334
V
IN
 e V
REF
 + 200mV
R2
120&
R1
1.5k
Q1
2N4250
V
OUT
 = V
Z
 + 64mV AT 25癈
I
OUT
 d 3mA
C1
0.1
LT1009
V
Z
+

TA05
V
+
V

R
LM334
V
IN
V
IN
R
SET
R1*
C1*
*SELECT R1 AND C1 FOR OPTIMUM STABILITY
2N2905
TA08
V
+
V

R
LM334
V
IN
V
IN
R
SET
68k
1礎
LM4250
V
+
V

R
LM134**
C1
0.001
100k
V
IN
 e 1.8V
V
OUT
 = 1.2V
I
OUT
 d 200礎
2N4250
R1
33k
1N457**
R1*
H6k
1%
R2*
680&
1%
SELECT RATIO OF R1 TO R2 FOR ZERO TEMPERATURE DRIFT
LM134 AND DIODE SHOULD BE ISOTHERMAL
*
**
TA09
TA10
V
+
V

R
LM334
V
IN
V
OUT
R
SET
V
Z
Higher Output Current
Low Output Impedance Thermometer
Low Input Voltage Reference Driver
Micropower Bias
1.2V Regulator with 1.8V Minimum Input
Zener Biasing
Alternate Trimming Technique
Buffer for Photoconductive Cell
High Precision Low TC Current Source
V

V
+
R
R1*
LM334
R
SET
TA11
V
IN
V
IN
*FOR ?0% ADJUSTMENT, SELECT R
SET
10% HIGH AND MAKE R1 H 3R
SET
V

V
+
R
LM334
TA12
1.5V
1.37V
R2
TA13
V
+
V

R
LM334
R2*
R1
6.8k
I
SET
 e 50礎
+

LT1004-1.2
(1.235V)
*I
SET
 = + 10礎
I
SET
 TC = 0.016%/癈 + 33nA/癈
REGULATION H 0.001%/V
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