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L5050STR 数据表(PDF) 7 Page - STMicroelectronics

部件名 L5050STR
功能描述  5 V low drop linear voltage regulator for automotive application
PDF  20 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L5050STR 数据表(HTML) 7 Page - STMicroelectronics

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DS12548 Rev 3
7/20
L5050S
Electrical specifications
19
A.006
Vo
Vload
Load regulation voltage
Io = 5 to 50 mA,
VS = 5.6 to 31 V
55
mV
A.007
VS, Vo
Vdp
Drop voltage
Io = 50 mA
500
mV
A.008
VS, Vo
SVR
Ripple rejection
fr = 100 Hz(2)
60
dB
A.009
Vo
Ioth_H
Normal consumption
mode output current
4mA
A.010
Vo
Ioth_L
Very low consumption
mode output current
0.1
mA
A.011
VS, Vo
Iqn
Current consumption
with regulator disabled
Iqn = IVs – Io
VS = 13.5 V, 
En = low
510
µA
A.012
VS, Vo
Iqn_1
Current consumption
with regulator enabled
Iqn_1 = IVs–Io
Io = 0.1 mA to 0.3 mA;
En = high
50
70
µA
A.013
VS, Vo
Iqn_50
Current consumption
with regulator enabled
Iqn_50 = IVs–Io
Io = Ioth_H to 50 mA;
En = high
24.2
mA
A.014
Tw
Thermal protection
temperature (3)
150
190
°C
A.015
Tw_hy
Thermal protection
temperature hysteresis
10
°C
1. Measured output current when the output voltage has dropped 200 mV from its nominal value obtained at Vs=10.5 V and
Io = 25 mA.
2. Guaranteed by design.
3. Thermal protection is guaranteed by design and characterization.
Table 5. General (continued)
Item
Pin
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
Table 6. Enable
Item
Pin
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
A.016
En
VEn_low
En input low voltage
1V
A.017
En
VEn_high
En input high voltage
3V
A.018
En
VEn_hyst
En input hysteresis
800
mV
A.019
En
I_leak
Pull down current
VEn = 5 V
310
µA



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