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L99VR01STR Folha de dados(PDF) 20 Page - STMicroelectronics

Nome de Peças L99VR01STR
Descrição Electrónicos  Automotive low dropout linear voltage regulator with configurable output voltage having 200 mA current capability
PDF  47 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
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L99VR01STR Folha de dados(HTML) 20 Page - STMicroelectronics

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Figure 34. Ishort versus Rsh
Open pin (no resistance on the Ishort pin), is seen as a max resistance corresponding to the maximum Ishort
current.
4.3
Output voltage selection
The L99VR01 can provide one out of 8 different output voltages. The combination of three digital input selectors
(SELx) determines the output voltage according to the following truth table.
Table 12. Truth table
VO
SEL1
SEL2
SEL3
5
1
1
1
3.3
1
1
0
2.8
1
0
1
2.5
1
0
0
1.8
0
1
1
1.5
0
1
0
1.2
0
0
1
0.8 (Default)
0
0
0
The SELx pins configuration is acquired at the device start-up (EN transition from low to high) and once
configuration is acknowledged, it cannot be changed until next EN transition.
When all the pins are left not connected, the default configuration will be selected.
L99VR01
Output voltage selection
DS13649 - Rev 3
page 20/47



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