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L99VR01 Folha de dados(PDF) 3 Page - STMicroelectronics

Nome de Peças L99VR01
Descrição Electrónicos  Automotive low dropout linear voltage regulator with configurable output voltage having 200 mA current capability
PDF  40 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L99VR01 Folha de dados(HTML) 3 Page - STMicroelectronics

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Pin name
SO-8 pin
PowerSSO-12
pin
Function
SEL3
Output voltage selectors.
4
4
TW
5
Advanced thermal warning output.
If the device detects a junction temperature above the warning
threshold, the pin is pulled low. If an overvoltage condition occurs, a
square wave is provided through the TW output. Leave floating if not
used.
IShort
6
Programmable short circuit output current input pin. A resistor between
Ishort pin and GND sets the short circuit output current value.
EN
5
7
Enable input.
With the Enable high, regulator and reset are operating. With the
Enable low, regulator and reset are shutdown, while the fast discharge
circuit is turned on.
Connect the Enable to Vs to keep the device always enabled
GND
6
8
Ground reference.
T1
9
Reserved to test, connect the pin to Vo.
T2
10
Reserved to test, connect the pin to GND.
RST
7
11
Reset output.
It is pulled down when output voltage goes below Vo_th. Leave floating
if not used.
VO
8
12
Voltage regulator output.
Block to ground with a capacitor ≥ 3.3 µF (needed for regulator
stability).
TAB
TAB
Connected to ground
Figure 3. Pins configuration
SO-8
PowerSSO-12
L99VR01
Block diagram and pins description
DS13649 - Rev 4
page 3/40



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