參數(shù)資料
型號： TL1431MDREP
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： GREEN, PLASTIC, SOIC-8
文件頁數(shù)： 3/20頁
文件大?。?/td> 444K
代理商： TL1431MDREP
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
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.
Cathode
Current
mA
I KA
PRECISION PROGRAMMABLE REFERENCE
SLVS529C – APRIL 2004 – REVISED DECEMBER 2006
Figure 14.
Figure 15.
11
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