參數(shù)資料
型號: TL1431QPW
廠商: Texas Instruments, Inc.
英文描述: PRECISION PROGRAMMABLE REFERENCE
中文描述: 精密可編程的參考
文件頁數(shù): 11/24頁
文件大小: 345K
代理商: TL1431QPW
www.ti.com
3
2
1
0
0
1
2
3
4
4
5
PULSE RESPONSE
6
5
6
7
TEST CIRCUIT FOR PULSE RESPONSE
T
A
= 25
°
C
Input
Output
I
t Time
μ
s
Pulse
Generator
f = 100 kHz
50
220
Output
GND
V
I
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
C
L
Load Capacitance
μ
F
A-V
KA
= V
I(ref)
B-V
KA
= 5 V
C-V
KA
= 10 V
D-V
KA
= 15 V
Stable
Stable
A
B
C
D
I
KA
= 10 mA
T
A
= 25
°
C
C
L
C
L
150
150
I
KA
I
KA
V
BATT
V
BATT
R1 =
10 k
R2
+
+
V
I
V
I
I
K
TL1431
PRECISION PROGRAMMABLE REFERENCE
SLVS062K–DECEMBER 1991–REVISED OCTOBER 2006
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 V
KA
and I
KA
conditions, with C
L
= 0. V
BATT
and C
L
then are adjusted to determine the ranges of
stability.
Figure 15.
11
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