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參數資料
型號: TL431MJG883B
廠商: TEXAS INSTRUMENTS INC
元件分類: 基準電壓源/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: 17/67頁
文件大小: 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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