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L99VR02J Datasheet(PDF) 10 Page - STMicroelectronics

Part # L99VR02J
Description  Automotive linear voltage regulator with configurable output voltage having 500 mA current capability
PDF  38 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L99VR02J Datasheet(HTML) 10 Page - STMicroelectronics

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Table 8. Watchdog
Item
Pin
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
A.030
Wi
Vih
Input high voltage (1)
VS = 5 V; 13.5 V,
VO = 3.3 V; 5 V
0.7 x VO
V
A.031
Wi
Vil
Input low voltage (1)
VS = 5 V; 13.5 V,
VO = 3.3 V; 5 V
0.25 x VO
V
A.032
Wi
IWi
Pull down current
Vwi = 3.3 V
6
10
µA
A.033
VCW
Vwlth
Low threshold
VS = 5 V; 13.5 V,
VO = 3.3 V; 5 V
10%
13%
16%
VO
A.034
VCW
Vwhth
High threshold
VS = 5 V; 13.5 V,
VO = 3.3 V; 5 V
44%
47%
50%
VO
A.035
VCW
ICWc
Charge current
VS = 5 V; 13.5 V,
VCW = 0.1 V,
VO = 3.3 V; 5 V
5
10
20
μA
A.036
VCW
ICWd
Discharge current
VS = 5 V; 13.5 V,
VCW = 2.5 V,
VO = 3.3 V; 5 V
1.25
2.5
5
μA
A.040
VO
Iw_off
Watchdog deactivation
current threshold
VS = 5 V; 13.5 V,
VO = 3.3 V; 5 V
0.4
1.05
1.5
mA
A.041
VO
Iw_on
Watchdog activation
current threshold
VS = 5 V; 13.5 V,
VO = 3.3 V; 5 V
1.8
3.35
4.8
mA
1. Watchdog input requires a square wave signal (duty cycle of 50 %).
Table 9. Enable
Item
Pin
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
A.042
EN
VEN_low EN input low voltage
0.6
V
A.043
EN
VEN_high EN input high voltage
1.5
V
A.045
EN
IEN
Pull down current
VS = 13.5 V
4
12
µA
Table 10. Output voltages selectors
Item
Pin
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
A.046
SELx
VSELx_low
SELx input low voltage
0.3
V
A.047
SELx
VSELx_high
SELx input high voltage
0.7
V
A.048
SELx
ISELx
Pull down current
VS = 3.5 V; 13.5 V
0.1
0.4
µA
L99VR02J
Electrical characteristics
DS14076 - Rev 1
page 10/38



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