参数资料
型号: LT1033CT
厂商: Linear Technology
文件页数: 7/12页
文件大小: 0K
描述: IC REG LDO NEG ADJ TO220-3
标准包装: 50
稳压器拓扑结构: 负,可调式
输出电压: -1.2 V ~ -32 V
稳压器数量: 1
电流 - 限制(最小): 3A
工作温度: 0°C ~ 125°C
安装类型: 通孔
封装/外壳: TO-220-3
供应商设备封装: TO-220-3
包装: 管件
LT1033
TYPICAL APPLICATIO S
The output stability, load regulation, line regulation,
thermal regulation, temperature drift, long term drift, and
High Stability Regulator
noise can be improved by a factor of 6.6 over the standard
regulator configuration. This assumes a zener whose drift
and noise is considerably better than the regulator itself.
The LM329B has 20ppm/ ° C maximum drift and about 10
times lower noise than the regulator.
ADJ
7V
LM329B
R3
1.5k
1%
R2*
R1
1k
1%
+ 1 μ F
SOLID
TANTALUM
In the application shown below, regulators #2 to “N” will
track regulator #1 to within ± 24mV initially, and to ± 60mV
–V IN
V IN
LT1033
V OUT
*R2 =
|V OUT |
9.08 ? 10 –3
–V OUT
– 908 ?
over all load, line, and temperature conditions. If any
regulator output is shorted to ground, all other outputs will
drop to ≈ –2V. Load regulation of regulators #2 to “N” will
be improved by V OUT /1.25V compared to a standard
regulator, so regulator #1 should be the one which has the
lowest load current.
Dual Tracking 3A Supply ± 1.25V to ± 20V
LT150A
LT1033 ? TA06
Multiple Tracking Regulators
+V IN
V IN
ADJ
V OUT
+V OUT
+
–V IN
+
2 μ F
ADJ
V IN REG #1 V OUT
C3
10 μ F
1N4002
R2
R1
120 ?
+
C1
2 μ F
SOLID
TANTALUM
–V OUT1
10 μ F
10 μ F
+
+
R2
5k
1%
R4
5k
R1**
100 ?
1%
R3
5k
+
2.2 μ F*
D1
1N4002
LT1033
1%
+
2 μ F
ADJ
V IN REG #2 V OUT
1N4002
+
2 μ F
SOLID
TANTALUM
–V OUT2
–V IN
V IN
ADJ
LT1033
V OUT
R5**
100 ?
1%
+
2.2 μ F*
D2
1N4002
–V OUT
LT1033 ? TA07
LT1033
*SOLID TANTALUM
**R1 OR R5 MAY BE TRIMMED SLIGHTLY TO IMPROVE TRACKING
+
2 μ F
ADJ
+
2 μ F
SOLID
TANTALUM
V IN REG #N V OUT
–V OUT3
LT1033
LT1033 ? TA05
Current Regulator
ADJ
+
C1
2 μ F
SOLID TANTALUM
(–)
V IN
LT1033
V OUT
R S
(O.5 ? ≤ R S ≤ 250 ? )
I
I = 65 μ A +
(+)
1.25V
R S
LT1033 ? TA08
1033fc
7
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