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L99VR01STR 数据表(PDF) 11 Page - STMicroelectronics

部件名 L99VR01STR
功能描述  Automotive low dropout linear voltage regulator with configurable output voltage having 200 mA current capability
PDF  47 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L99VR01STR 数据表(HTML) 11 Page - STMicroelectronics

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Table 8. Watchdog (only for L99VR01J)
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; VO=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; VO=5 V
0.25 x
VO
V
A.033
Wi
IWi
Pull down current
Vwi = 3.3 V
6
10
μA
A.034
VCW
Vwlth
Low threshold
VS = 5V; 13.5 V
Vo=3.3V; Vo=5V
10 %
13 %
16 %
VO
A.035
VCW
Vwhth
High threshold
VS = 5V; 13.5 V
Vo=3.3V; Vo=5V
44 %
47 %
50 %
VO
A.036
VCW
ICWc
Charge current
VS = 5V; 13.5 V
VCW = 0.1V
Vo=3.3V; Vo=5V
5
10
20
μA
A.037
VCW
ICWd
Discharge current
VS = 5 V; 13.5 V
VCW = 2.5 V
VO=3.3 V; VO=5 V
1.25
2.5
5
μA
A.040
VCW
Iw_off
Watchdog deactivation
current threshold
VS = 5 V; 13.5 V
VO=3.3 V; VO=5 V
0.6
1.05
1.5
mA
A.041
VCW
Iw_on
Watchdog activation
current threshold
VS = 5 V; 13.5 V
VO=3.3 V; VO=5 V
2.2
3.35
4.5
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 = 3.5V; 13.5 V
0.1
0.4
µA
L99VR01
Electrical characteristics
DS13649 - Rev 3
page 11/47



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