参数资料
型号: TL1431QDRQ1
厂商: TEXAS INSTRUMENTS INC
元件分类: 基准电压源/电流源
英文描述: 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.49 V, PDSO8
封装: ROHS COMPLIANT, PLASTIC, MS-012AA, SOIC-8
文件页数: 2/19页
文件大小: 254K
代理商: TL1431QDRQ1
TL1431Q1
PRECISION PROGRAMMABLE REFERENCE
SLVS534B JUNE 2004 REVISED APRIL 2008
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
3
2
1
0
123
4
5
PULSE RESPONSE
6
56
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
Figure 14
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
Figure 15
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