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ATL431LI_V02 Datasheet(Hoja de datos) 8 Page - Texas Instruments

No. de Pieza. ATL431LI_V02
Descripción  ATL431LI / ATL432LI High Bandwidth Low-Iq Programmable Shunt Regulator
Descarga  29 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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 8 page
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150 Ω
IKA
R1 = 10 kΩ
R2
CL
VBATT
IKA
CL
VBATT
150 Ω
TEST CIRCUIT FOR CURVE A
TEST CIRCUIT FOR CURVES B, C, AND D
+
+
CL - Load Capacitance - µF
0
0.2
0.4
0.6
0.8
1
0.001
0.01
0.1
1
10
Stable Region
ATL4
A VKA = Vref
B VKA = 5 V
C VKA = 10 V
150 Ω
IKA
R1 = 10 kΩ
R2
CL
VBATT
IKA
CL
VBATT
150 Ω
TEST CIRCUIT FOR CURVE A
TEST CIRCUIT FOR CURVES B, C, AND D
+
+
CL - Load Capacitance - µF
1
3
5
7
9
11
13
15
0.001
0.01
0.1
1
10
Stable Region
ATL4
ATL4
A VKA = Vref
B VKA = 5 V
C VKA = 10 V
8
ATL431LI
ATL432LI
SLVSDU6D – JULY 2017 – REVISED NOVEMBER 2019
www.ti.com
Product Folder Links: ATL431LI ATL432LI
Submit Documentation Feedback
Copyright © 2017–2019, Texas Instruments Incorporated
Typical Characteristics (continued)
The areas under the curves represent conditions that may cause the
device to oscillate. For curves B and C, R2 and V+ are adjusted to
establish the initial VKA and IKA conditions, with CL = 0. VBATT and CL
then are adjusted to determine the ranges of stability.
Figure 13. Stability Boundary Conditions for All ATL431LI,
ATL432LI Devices Above 1 mA
Figure 14. Test Circuit for Stability Boundary Conditions
The areas in-between the curves represent conditions that may cause
the device to oscillate. For curves B, and C, R2 and V+ are adjusted
to establish the initial VKA and IKA conditions, with CL = 0. VBATT and
CL then are adjusted to determine the ranges of stability.
Figure 15. Stability Boundary Conditions for All ATL431LI,
ATL432LI Devices Below 1 mA
Figure 16. Test Circuit for Stability Boundary Conditions




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