參數(shù)資料
型號： TL431MJG883B
廠商： TEXAS INSTRUMENTS INC
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495 V, CDIP8
封裝： CERAMIC, DIP-8
文件頁數(shù)： 17/67頁
文件大?。?/td> 1350K
代理商： TL431MJG883B
TL431, TL431A, TL431B
TL432, TL432A, TL432B
ADJUSTABLE PRECISION SHUNT REGULATORS
SLVS543J AUGUST 2004 REVISED DECEMBER 2005
24
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
50
40
10
0
0.001
0.01
0.1
1
70
90
STABILITY BOUNDARY CONDITIONS
FOR ALL TL431 AND TL431A DEVICES
(EXCEPT FOR SOT23-3, SC-70, AND Q-TEMP DEVICES)
100
10
30
80
60
20
TA = 25°C
B
Stable
A VKA = Vref
B VKA = 5 V
C VKA = 10 V
D VKA = 15 Vf
CL Load Capacitance F
A
C
D
150
IKA
R1 = 10 k
R2
CL
VBATT
IKA
CL
VBATT
150
TEST CIRCUIT FOR CURVE A
TEST CIRCUIT FOR CURVES B, C, AND D
Cathode
Current
mA
I KA
+
+
50
40
10
0
0.001
0.01
0.1
1
70
90
STABILITY BOUNDARY CONDITIONS
FOR ALL TL431B, TL432, SOT-23, SC-70, AND Q-TEMP DEVICES
100
10
30
80
60
20
Stable
A VKA = Vref
B VKA = 5 V
C VKA = 10 V
D VKA = 15 Vf
CL Load Capacitance F
A
C
D
150
IKA
R1 = 10 k
R2
CL
VBATT
IKA
CL
VBATT
150
TEST CIRCUIT FOR CURVE A
TEST CIRCUIT FOR CURVES B, C, AND D
Cathode
Current
mA
I KA
The areas under the curves represent conditions that may cause the
device to oscillate. For curves B, C, and D, R2 and V+ were adjusted
to establish the initial VKA and IKA conditions with CL = 0. VBATT and
CL then were adjusted to determine the ranges of stability.
+
+
B
A
TA = 25°C
Stable
B
Figure 16
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