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L99VR01STR Scheda tecnica(PDF) 10 Page - STMicroelectronics

Il numero della parte L99VR01STR
Spiegazioni elettronici  Automotive low dropout linear voltage regulator with configurable output voltage having 200 mA current capability
PDF  47 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L99VR01STR Scheda tecnica(HTML) 10 Page - STMicroelectronics

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Item
Pin
Symbol
Parameter
Test condition
Min.
Typ . Max.
Unit
A.022
VS
VUVLO_fall
Undervoltage lockout, falling
VO= 0.8 V; 1.2 V; 1.5 V;
1.8 V
1.5
1.6
1.7
V
VO = 2.5 V; 2.8 V; 3.3 V
2.3
2.4
2.55
VO = 5 V
4.6
4.8
4.9
A.023
VS
VUVLO_ rise
Undervoltage lockout, rising
VO = 0.8 V; 1.2 V; 1.5 V;
1.8 V
1.7
1.8
2.1
V
VO=2.5 V; 2.8 V; 3.3 V
2.6
2.7
2.8
VO=5 V
4.9
5.1
5.3
1. Ishort typical value of 120 mA for t= 400 µs during the power on
2. Vs_Low = 3.5 V@VO = 0.8 V, 1.2 V,1.5 V,1.8 V& 2.5 V; Vs_Low=5 V@ VO= 2.8 V & 3.3 V, Vs_Low= 6 V@VO = 5 V
3. Parameters are guaranteed by design
4. Referred to Figure 30. Maximum load variation response
5. Considering that the minimum operating input voltage is 2.15 V, the dropout voltage (Vdp) is not defined for output voltages
below 1.8 V.
Table 6. Fast output discharge
Item
Pin
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
A.024
VO
RFD
Fast discharge - pull
down resistor
VS= 3.95 V; 13.5 V; VO =
3.3 V, VO = 5 V
EN = low
50
75
120
Ω
Table 7. Reset
Item
Pin
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
A.025
RST
Vrst_l
Reset output low voltage
VS = 5 V; 13.5 V
Rext ≥ 4.7 KΩ to VO
VO = 3.3 V, VO = 5 V
0.2 x
VO
V
A.026
RST
Irst_lkg
Reset output high
leakage current
Vrst = 0.8 V
1
µA
A.027
RST
VO_th
VO out of regulation – low
threshold
VS = 5 V; 13.5 V
VO decreasing
VO=3.3 V,
VO=5 V
13.5%
10%
6.5%
Below
VO
A.055
RST
VO_th_hyst
VO out of regulation – low
threshold hysteresis
VS = 5 V; 13.5 V; VO
increasing; VO=3.3 V ;
VO=5 V
2%
VO_th
A.028
RST
Trr
Reset reaction time
VS = 5 V; 13.5 V; VO=3.3
V ; VO=5 V
10
16
37
µs
A.029
RST
Trd
Reset delay time
VS = 5 V; 13.5 V ; VO=3.3
V ; VO = 5 V
160(1)
250
300
µs
1. Trd = 120 µs for Vs < 3.5V.
L99VR01
Electrical characteristics
DS13649 - Rev 3
page 10/47



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