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ATL431LI_V02 Datasheet(数据表) 23 Page - Texas Instruments

部件型号  ATL431LI
说明  ATL431LI / ATL432LI High Bandwidth Low-Iq Programmable Shunt Regulator
下载  29 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
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ATL431LI Datasheet(HTML) 23 Page - Texas Instruments

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Copyright © 2017, Texas Instruments Incorporated
ATL43xLIx
650 Ω
2 kΩ
C
On
Off
R
12 V
n
ref
12 V
Delay = R × C × I
12 V – V
æ
ö
ç
÷
ç
÷
è
ø
Copyright © 2017, Texas Instruments Incorporated
VI(BATT)
R3
(see Note A)
R1A
ATL43xLIx
R4
(see Note A)
R2B
R2A
R1B
Low Limit = 1 + R1B
R2B
V
ref
High Limit = 1 + R1A
R2A
V
ref
LED on When Low Limit < VI(BATT) < High Limit
ATL43xLIx
12 V
VCC
5 V
6.8 kΩ
10 kΩ
10 kΩ
0.1%
10 kΩ
0.1%
X
Not
Used
Feedback
TL598
+
Copyright © 2017, Texas Instruments Incorporated
23
ATL431LI
ATL432LI
www.ti.com
SLVSDU6D – JULY 2017 – REVISED NOVEMBER 2019
Product Folder Links: ATL431LI ATL432LI
Submit Documentation Feedback
Copyright © 2017–2019, Texas Instruments Incorporated
System Examples (continued)
Figure 36. PWM Converter With Reference
A.
Select R3 and R4 to provide the desired LED intensity and cathode current
≥ 0.08 mA to the ATL431LI at the
available VI(BATT).
Figure 37. Voltage Monitor
Figure 38. Delay Timer




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