參數(shù)資料
型號(hào)： TL1431MFKB
廠商： TEXAS INSTRUMENTS INC
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.5 V, CQCC20
封裝： CERAMIC, LCC-20
文件頁數(shù)： 3/29頁
文件大?。?/td> 704K
代理商： TL1431MFKB
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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