参数资料
型号: TL1431CDG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 基准电压源/电流源
英文描述: 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.5 V, PDSO8
封装: GREEN, PLASTIC, MS-012AA, SOIC-8
文件页数: 3/29页
文件大小: 704K
代理商: TL1431CDG4
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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