參數資料
型號： TL1431QPWR
廠商： TEXAS INSTRUMENTS INC
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, PDSO8
封裝： PLASTIC, TSSOP-8
文件頁數： 3/29頁
文件大?。?/td> 704K
代理商： TL1431QPWR
www.ti.com
3
2
1
0
1
2
3
4
5
PULSE RESPONSE
6
5
6
7
TEST CIRCUIT FOR PULSE RESPONSE
TA = 25°C
Input
Output
Input
and
Output
V
oltages
V
t Time
s
Pulse
Generator
f = 100 kHz
50
220
Output
GND
VI
STABILITY BOUNDARY CONDITIONS
50
40
10
0
0.001
0.01
0.1
1
70
90
100
10
30
80
60
20
TEST CIRCUIT FOR CURVE A
TEST CIRCUIT FOR CURVES B, C, AND D
CL Load Capacitance F
A-VKA = VI(ref)
B-VKA = 5 V
C-VKA = 10 V
D-VKA = 15 V
Stable
A
B
C
D
IKA = 10 mA
TA = 25°C
CL
150
150
IKA
VBATT
R1 =
10 k
R2
+
+
VI
Cathode
Current
mA
I KA
PRECISION PROGRAMMABLE REFERENCE
SLVS062L – DECEMBER 1991 – REVISED OCTOBER 2007
Figure 14.
A.
The areas under the curves represent conditions that may cause the device to oscillate. For curves B, C, and D, R2 and V+ are
adjusted to establish the initial VKA and IKA conditions, with CL = 0. VBATT and CL then are adjusted to determine the ranges of
stability.
Figure 15.
Copyright 1991–2007, Texas Instruments Incorporated
11
Product Folder Link(s): TL1431
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相關代理商/技術參數
參數描述
TL1431QPWRG4 功能描述:基準電壓& 基準電流 Prec Adj (Prgrmbl) Shunt Ref RoHS:否 制造商:STMicroelectronics 產品:Voltage References 拓撲結構: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（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
TL1431-SP 制造商:TI 制造商全稱:Texas Instruments 功能描述:CLASS V, PRECISION PROGRAMMABLE REFERENCE
TL1431VTDB1 制造商:Texas Instruments 功能描述:IC VREF SHUNT PREC ADJ DIE
TL1431Y 制造商:TI 制造商全稱:Texas Instruments 功能描述:PRECISION PROGRAMMABLE REFERENCE
TL1431ZT 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Programmable voltage reference
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