參數(shù)資料
型號: TL431AIU2/48H
廠商: VISHAY SILICONIX
元件分類: 基準電壓源/電流源
英文描述: 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.5 V, PDSO3
封裝: MO-78AA, SOT-23, 3PIN
文件頁數(shù): 11/16頁
文件大?。?/td> 319K
代理商: TL431AIU2/48H
T2
T
TEMPERATURE
1
VMAX
MIN
VDEV = VMAX
MIN
-V
V
The average temperature coefficient of the reference
input voltage,
αVREF is defined as:
T1
T2
10
6
C)
25
(at
V
T1
T2
10
6
C)
25
(at
V
-
V
C
ppm
V
REF
DEV
REF
MIN
MAX
REF
°
±
=
°
±
=
°
α
––
Where:
T2 – T1 = full temperature change.
The slope can be positive or negative depending on
whether VMAX or VMIN occurs at the lower ambient
temperature.
Example:
VREF = 9.0mV, VREF = 2495mV,
T2 - T1 = 70
°C, slope is positive.
C
50ppm/
αVREF =
C
70
10
6
2495mV
9.0mV
°
=
°
Note 2. The dynamic output impedance, RZ , is
defined as:
When the device is programmed with two external
resistors, R1 and R2, (see Fig. 2), the dynamic output
impedance of the overall circuit, is defined as:
Z
VZ
R =
Z
I
R2
R1
1
≈ Rz
Iz
Vz
z
r
+
=
Note 1. Deviation of reference input voltage,
VREF,
is defined as the maximum variation of the reference
input voltage over the full temperature range.
VREF
IREF
IZ
VZ
IL
IN
R2
R1
VREF
IREF
IZ
VZ
IN
IL
Note: VZ=VREF(1+R1/R2)+IREFxR1
IN
VZ
IZ(OFF)
Fi
T
i
i f
ff
C
Fig. 1 Test Circuit for VZ=VREF
Fig. 2 Test Circuit for VZ>VREF
Fig. 3 Test Circuit for
off-state current
GS431B/TL431A/TL431
Vishay Siliconix
www.vishay.com
Document Number 74806
4
11-Jun-04
相關(guān)PDF資料
PDF描述
TL431AIU1/48H 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.5 V, PDSO3
TL431MFK 1-OUTPUT TWO TERM VOLTAGE REFERENCE, CQCC20
TL431MJG883B 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495 V, CDIP8
TL431MLD 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, MBCY3
TL441AMFK QUAD LOG OR ANTILOG AMPLIFIER, 40 MHz BAND WIDTH, CQCC20
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TL431AIYD 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Programmable Voltage Reference
TL431AIYDT 功能描述:IC VREF SHUNT PREC ADJ 8-SO RoHS:是 類別:集成電路 (IC) >> PMIC - 電壓基準 系列:- 標準包裝:3,000 系列:- 基準類型:旁路,精度 輸出電壓:3V 容差:±0.5% 溫度系數(shù):100ppm/°C 輸入電壓:- 通道數(shù):1 電流 - 陰極:82µA 電流 - 靜態(tài):- 電流 - 輸出:15mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:6-TSSOP(5 引線),SC-88A,SOT-353 供應商設備封裝:SC-70-5 包裝:帶卷 (TR) 其它名稱:296-20888-2
TL431AIZ 功能描述:基準電壓& 基準電流 2.5-36V Prog Adjust RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓撲結(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準確度:0.25 % 平均溫度系數(shù)(典型值):100 PPM / C 串聯(lián) VREF - 輸入電壓(最大值): 串聯(lián) VREF - 輸入電壓(最小值): 分流電流(最大值):60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel
TL431AIZ-AP 功能描述:基準電壓& 基準電流 2.5-36V Prog Adjust RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓撲結(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準確度:0.25 % 平均溫度系數(shù)(典型值):100 PPM / C 串聯(lián) VREF - 輸入電壓(最大值): 串聯(lián) VREF - 輸入電壓(最小值): 分流電流(最大值):60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel
TL431AIZT 功能描述:基準電壓& 基準電流 2.5-36V Prog Adjust RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓撲結(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準確度:0.25 % 平均溫度系數(shù)(典型值):100 PPM / C 串聯(lián) VREF - 輸入電壓(最大值): 串聯(lián) VREF - 輸入電壓(最小值): 分流電流(最大值):60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel