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L5958SM 数据表(PDF) 9 Page - STMicroelectronics

部件名 L5958SM
功能描述  Multifunction voltage regulator for car radio
PDF  20 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L5958SM 数据表(HTML) 9 Page - STMicroelectronics

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L5958
Electrical specifications
Doc ID 17716 Rev 1
9/20
Load dump
Vin1
Battery over voltage
Vin1
24
26
28
V
Load dump
Vin2
Battery over voltage
Vin2
24
26
28
V
Regulator 1
Vo (8.5sw)
Output voltage 8.5V
-
8.0
8.5
8.9
V
ΔV
Line regulation
I = 20 0mA; 9 V < Vs < 18 V
-
-
50
mV
ΔV
i
Load regulation
Ireg1 = 1 to 20 0mA
-
-
100
mV
PSRR
Supply voltage ripple rejection
f = 1 kHz; Vin1 = 1.5 Vpp;
Io = 200 mA
45
-
-
dB
Vdrop
Drop out voltage
Ireg1 = 200 mA
(1)
-
-
0.35
V
Im
Current limit
Rshort = 0.5 Ω
0.3
-
0.6
A
Regulator 2
Vo (5Vsw)
Output voltage 5V
-
4.75
5
5.25
V
ΔV
Line regulation
I = 300 mA; 9 V < Vs < 18 V
-
-
50
mV
ΔV
i
Load regulation
Ireg2 = 1 to 300 mA
-
-
100
mV
PSRR
Supply voltage ripple rejection
f = 1 kHz; Vin1 = 1.5 Vpp;
Io = 300 mA
50
-
-
dB
Vdrop
Drop out voltage
Ireg2 = 300 mA
(1)
-
-
0.45
V
Im
Current limit
Rshort = 0.5 Ω
400
-
800
mA
Regulator 3
Vo (3.3sw)
Output voltage 3.3V
-
3.15
3.30
3.45
V
ΔV
Line regulation
I = 250 mA; 4.5 V < Vs < 18 V
-
-
50
mV
ΔV
i
Load regulation
Ireg3 = 1 to 250 mA
-
-
100
mV
PSRR
Supply voltage ripple rejection
f = 1 kHz; Vin1 = 1.5 Vpp;
Io = 250 mA
50
-
-
dB
Vdrop
Drop out voltage
Ireg3 = 250 mA
(1)
-
-
0.75
V
Im
Current limit
Rshort = 0.5 Ω
400
-
800
mA
Regulator 4
Vo (1.8sw)
Output voltage 1.8V
-
1.73
1.80
1.90
V
ΔV
Line regulation
I = 350 mA; 4.5 V< Vs < 18 V
-
-
50
mV
ΔV
i
Load regulation
Ireg4 = 1 to 350 mA
-
-
100
mV
PSRR
Supply voltage ripple rejection
f = 1 kHz; Vin1 = 1.5 Vpp;
Io = 350 mA
50
-
-
dB
Vdrop
Drop out voltage
Ireg4 = 35 0mA
(1)
-
-
2.2
V
Im
Current limit
Rshort = 0.5 Ω
430
-
800
mA
Table 5.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit



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