參數(shù)資料
型號: SPX1431N/TR
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.49 V, PBCY3
封裝: TO-92, 3 PIN
文件頁數(shù): 9/12頁
文件大?。?/td> 717K
代理商: SPX1431N/TR
Mar3-07
SPX43 Precision Adjustable Shunt Regulator
2007 Sipex Corporation
Figure 17. Test Circuit for Stability
Figure 18. Dynamic Output Impedance T
A= 25 °C,
I
K= 1 to 100mA
Figure 19. Off State Leakage
Figure 20. Shunt Regulator V
OUT = (1+R1/R2)VREF
150
10k
I
K
C
L
R
0.01
0.1
1
10
100
-50
0
50
100
150
TA Ambient Temperature (°C)
I KOFF
Cathode
Current
(nA)
VKA= 36V
VREF= 0V
T
A = 25 °C
I
K =1mA to 100mA
Z
KA
-
Dynamic
f - Frequency (Hz)
100
10
1.0
0.1
0.01
1K
10K
100K
1M
10M
R2
0.1%
VIN
R3
R1
0.1%
VOUT
VREF
SPX1431
Figure 21. Constant Current, Sink, I
SINK= V REF/R1
Figure 22. Reference Amplifier for Isolated Feedback in
Off-Line DC-DC Converters
Q1
VIN
R2
R1
0.1%
ISINK
SPX1431
R2
0.1%
R3
R1
0.1%
VOUT
SPX1431
C2
C1
Isolated
Feedback
VOUTRTN
+
R3 sets feedback gain,
C1 provides feedback
compensation
Opto Isolator
TYPICAL PERFORMANCE CHARACTERISTICS
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