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PDF SPX431L Data sheet ( Hoja de datos )
| Número de pieza | SPX431L | |
| Descripción | Low Voltage Precision Adjustable Shunt Regulator | |
| Fabricantes | Sipexoration | |
| Logotipo |  |
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SPX431L
Low Voltage Precision
Adjustable Shunt Regulator
FEATURES
• Tight Tolerance.................................................. 0.5% @ 10mA
• Wide Operating Range..................................... 1mA to 100mA
• Low Extended Temperature Range ....................0°C to 105°C
• Low Temperature Coefficient .................................30 ppm/°C
• Offered in TO-92, SOT-89, SOT-23-3 and SO-8
• Improved replacement in performance of AS431 & TL431
• Low Cost Solution
APPLICATIONS
• Battery Operating Equipment
• Adjustable Supplies
• Switching Power Supplies
• Error Amplifiers
• Single Supply Amplifier
• Monitors/ VCR/ TV
• Personal Computers
PRODUCT DESCRIPTION
The SPX431L is a 3-terminal Adjustable Shunt Voltage Regulator providing a highly accurate bandgap reference. SPX431L acts as an
open-loop error amplifier with a 2.5V temperature compensation reference. The SPX431L thermal stability, wide operating current
(100mA) and temperature range (0°C to 105°C) makes it suitable for all variety of applications that are looking for a low cost solution
with high performance.
The output voltage may be adjusted to any value between VREF and 20V with 2 external resistors. The SPX431L is operating in full
industrial temperature range of 0°C to 105°C. The SPX431L is available in TO-92, SOT-89, SOT-23-3 and SO-8 packages.
REFERENCE
(R)
CATHODE (K)
+
-
2.5V
ANODE (A)
PIN CONNECTIONS
8-Pin Surface Mount (S)
TO-92 (N)
CATHODE
ANODE
ANODE
N/C
18
27
SPX431L
36
45
Top View
REF
ANODE
ANODE
N/C
1 23
REF
ANODE
Bottom View
CATHODE
SOT-23-3 (M)
ANODE
1
SPX431L
23
N/C CATHODE
Top View
SOT-89 (M1)
SPX431L
1 23
REF CATHODE
ANODE
Top View
Rev. 10/30/00
1 page  
TYPICAL PERFORMANCE CURVES
3.0
2.5
2.0
1.5
1.0
0.5
0
-60
70
60
50
40
30
20
10
0
10
Reference Input Current
R1 = 10 kΩ
R2 = ∞
IK = 10 mA
-30 0 30 60 90 120
TA - Ambient Temperature ( °C)
Figure 6
Noise Voltage
100 1 k 10 k
f - Frequency (Hz)
Figure 8
100 k
SPX431L
Reference Voltage Line Regulation
0
-10
0 °C
-20
25 °C
75 °C
-30
105 °C
-40
-50
0 3 6 9 12 15 18 21 24 27 30
VKA - Cathode Voltage (V)
Figure 7
0.150
0.125
0.100
0.075
0.050
0.025
0.0
-60
Low Frequency Dynamic Output Impedance
VKA = VREF
IKA = 1 to 100 mA
f < 1 kHz
-30 0
30 60 90 120
TA - Free Air Temperature
Figure 9
Rev. 10/30/00
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet SPX431L.PDF ] | |
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