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參數資料
| 型號： | TL431 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | PROGRAMMABLE PRECISION REFERENCES |
| 中文描述： | 可編程精密參考 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 194K |
| 代理商： | TL431 |
AIC431/TL431A/TL431
Adjustable Precision Shunt Regulators
Analog Integrations Corporation
4F, 9, Industry E. 9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC
www.analog.com.tw
DS-431-06 May 31, 01
TEL: 886-3-5772500
FAX: 886-3-5772510
1
n
FEATURES
l
Unconditionally Stable.
l
Precision Reference Voltage.
AIC431
:2.495V
TL431A
:2.495V
TL431
:2.495V
±
0.5%
±
1.0%
±
1.6%
l
Sink Current Capability: 200mA.
l
Minimum Cathode Current for Regulation: 250
μ
A.
l
Equivalent Full-Range Temperature Coefficient:
50 ppm/
°
C.
l
Fast Turn-On Response.
l
Low Dynamic Output Impedance: 0.08
.
l
Adjustable Output Voltage.
l
Low Output Noise.
l
Space Saving SOT-89, SOT-23, TO-92 and SO8
packages.
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TYPICAL APPLICATION CIRCUIT
V
IN
AIC431
+
V
OUT
R1
R2
+
V
OUT
=(1+R1/R2)V
REF
Precision Regulator
n
DESCRIPTION
The AIC431/TL431A/TL431 are 3-terminal ad-
justable precision shunt regulators with guar-
anteed temperature stability over the applica-
ble extended commercial temperature range.
The output voltage may be set at any level
greater than 2.495V (V
REF
) up to 30V merely
by selecting two external resistors that act as
a voltage divider network. These devices have
a typical output impedance of 0.08
. Active
output circuitry provides a very sharp turn-on
characteristics, making these devices excel-
lent improved replacements for zener diodes
in many applications.
The precise
±
0.5% reference voltage toler-
ance of the AIC431 makes it possible in
many applications to avoid the use of a vari-
able resistor, consequently saving cost and
eliminating drift and reliability problems asso-
ciated with it.
相關PDF資料 |
PDF描述 |
|---|---|
| TL431ILPRP | PROGRAMMABLE PRECISION REFERENCES |
| TL431ILPRAG | PROGRAMMABLE PRECISION REFERENCES |
| TL431ILPRA | PROGRAMMABLE PRECISION REFERENCES |
| TL431ACDR2 | PROGRAMMABLE PRECISION REFERENCES |
| TL431ACDMR2 | PROGRAMMABLE PRECISION REFERENCES |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TL431,A,B | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:三端可編程并聯(lián)穩(wěn)壓二級管 |
| TL431_05 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:ADJUSTABLE PRECISION SHUNT REGULATORS |
| TL431_06 | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:PRECISION PROGRAMMABLE REFERENCES |
| TL431_07 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Programmable Voltage Reference |
| TL431_08 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:ADJUSTABLE PRECISION SHUNT REGULATORS |
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