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L5957PD 数据表(PDF) 7 Page - STMicroelectronics

部件名 L5957PD
功能描述  Multifunction voltage regulator for car radio
PDF  16 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L5957PD 数据表(HTML) 7 Page - STMicroelectronics

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L5957
Electrical specifications
Doc ID 14442 Rev 2
7/16
Regulator 1
Vo (REG 1)
Output voltage 8.5 V
-
8
8.5
9
V
ΔV
Line regulation
Vin1 = 10 to 18 V; I = 500 mA
-
-
50
mV
Vin1 = 9.3 to 18 V; I = 10 mA
-
-
50
mV
ΔVi
Load regulation
Ireg1 = 1 to 500 mA
-
-
100
mV
Iq
Quiescent current
Ireg1 = 10 mA
-
-
5
mA
PSRR
Supply voltage ripple rejection
f = 1 kHz; Vin1 = 1.5 Vpp;
Io = 500 mA
50
-
-
dB
Vdrop
Drop out voltage
Ireg1 = 500 mA
(1)
--
0.6
V
Im
Current limit
Rshort = 0.5 Ω
0.6
-
1.2
A
Regulator 2
Vo (ST BY)
Output voltage 5 V
-
4.7
5
5.3
V
ΔV
Line regulation
Vin1 = 7 to 18 V; I = 300 mA
-
-
50
mV
Vin1 = 6 to 18 V; I = 10 mA
-
-
50
mV
ΔVi
Load regulation
Ireg2 = 1 to 300 mA
-
-
100
mV
Iq
Quiescent Current
Ireg2 = 10 mA
-
-
3
mA
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)
--
1.5
V
Ireg2 = 100 mA
(1)
--
0.6
V
Im
Current limit
Rshort = 0.5 Ω
400
-
800
mA
Regulator 3
Vo (REG 3)
Output voltage 5V
-
4.75
5
5.25
V
ΔV
Line regulation
Vin2 = 7 to 18 V; I = 800 mA
-
-
50
mV
Vin2 = 6 to 18 V; I = 10 mA
-
-
50
mV
ΔVi
Load regulation
Ireg3 = 1 to 800 mA
-
-
100
mV
Iq
Quiescent current
Ireg3 = 10 mA
-
-
5
mA
PSRR
Supply voltage ripple rejection
f = 1 kHz; Vin1 = 1.5 Vpp;
Io = 800 mA
50
-
-
dB
Vdrop
Drop out voltage
Ireg3 = 800 mA
(1)
--
1.5
V
Im
Current limit
Rshort = 0.5 Ω
1-2
A
Regulator 4
Vo (REG 4)
Output voltage 3.3V
-
3.10
3.3
3.50
V
ΔV
Line regulation
Vin2 = 6 to 18 V; I = 800 mA
-
-
50
mV
ΔV
Line regulation
Vin2 = 6 to 18 V; I = 10 mA
-
-
50
mV
Table 4.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit



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