參數(shù)資料
型號(hào): TL431AQDBVRQ1
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, PDSO5
封裝: PLASTIC, SOT-23, 5 PIN
文件頁數(shù): 4/22頁
文件大?。?/td> 523K
代理商: TL431AQDBVRQ1
TL431-Q1
ADJUSTABLE PRECISION SHUNT REGULATOR
SGLS302C MARCH 2005 REVISED APRIL 2008
12
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
相關(guān)PDF資料
PDF描述
TL431BIPK 1-OUTPUT TWO TERM VOLTAGE REFERENCE, PSSO3
TL431CDM-TR 1-OUTPUT THREE TERM VOLTAGE REFERENCE, PDSO8
TL431CPK 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.5 V, PSSO3
TL431BIDM-TR 1-OUTPUT THREE TERM VOLTAGE REFERENCE, PDSO8
TL431BCPK 1-OUTPUT THREE TERM VOLTAGE REFERENCE, PSSO3
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