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参数资料
| 型号： | TL1431MDREP |
| 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, SOIC-8 |
| 文件页数： | 3/20页 |
| 文件大小： | 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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