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L99VR01 Datasheet(PDF) 2 Page - STMicroelectronics

Part # L99VR01
Description  Automotive low dropout linear voltage regulator with configurable output voltage having 200 mA current capability
PDF  40 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L99VR01 Datasheet(HTML) 2 Page - STMicroelectronics

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Block diagram and pins description
Figure 1. Functional block diagram of L99VR01S
Figure 2. Functional block diagram of L99VR01J
THERMAL
SHUTDOWN
CURRENT LIMITER
POWER DRIVER
Vs
E N
TW
RST
SEL3
SEL2
Vo
GND
-
+
SEL1
Ishort
ADVANCED
THERMAL WARNING
TEST
CONTROLLER
T1
T2
START-UP
RFD=
75 Ω
OUTPUT
VOLTAGE
SELECTOR
VOLTAGE
REFERENCE
LOW VOLTAGE RESET
Table 1. Pins description
Pin name
SO-8 pin
PowerSSO-12
pin
Function
VS
1
1
Supply voltage.
Block directly to ground with ceramic capacitor ≥ 4.7 µF and a 100 nF
capacitator as close as possible to the pin
SEL1
2
2
Output voltage selectors.
SEL2
3
3
L99VR01
Block diagram and pins description
DS13649 - Rev 4
page 2/40



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