L5956PDTR 데이터 시트보기 (PDF) - STMicroelectronics
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L5956PDTR Datasheet PDF : 16 Pages
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L5956
Electrical specifications
Table 4. Electrical characteristics (continued)
(VS = 14.4V; Tamb = 25°C; unless otherwise specified)
Symbol
Parameter
Test condition
Min. Typ. Max. Unit
Load dump
Vin2
Battery overvoltage
Vin2
REGULATOR 1
18
20
22
V
Vo (REG 1) Output voltage 8.5V
8
8.5
9
V
ΔV
Line regulation
Vin1 = 10 to 18V; I = 500mA
50
mV
ΔV
Line regulation
Vin1 = 9.3 to 18V; I = 10mA
50
mV
ΔVi
Load regulation
Ireg1 = 1 to 500mA
100 mV
Iq
Quiescent current
Ireg1 = 10mA
5
mA
PSRR
Supply voltage ripple rejection
f = 1KHz; Vin1 = 1.5Vpp;
Io = 500mA
50
dB
Vdrop
Drop out voltage
Ireg1 = 500mA (1)
0.6
V
Im
Current limit
Rshort = 0.5Ω
0.6
1.2
A
REGULATOR 2
Vo (ST BY) Output voltage 5V
4.75
5
5.25
V
ΔV
Line regulation
Vin1 = 7 to 18V; I = 300mA
50
mV
ΔV
Line regulation
Vin1 = 6 to 18V; I = 10mA
50
mV
ΔVi
Load regulation
Ireg2 = 1 to 300mA
100 mV
Iq
Quiescent current
Ireg2 = 10mA
3
mA
PSRR
Supply voltage ripple rejection
f = 1KHz; Vin1 = 1.5Vpp;
Io = 300mA
50
dB
Vdrop
Drop out voltage
Ireg2 = 300mA (1)
1.5
V
Vdrop
Drop out voltage
Ireg2 = 100mA (1)
0.6
V
Im
Current limit
Rshort = 0.5Ω
400
800 mA
REGULATOR 3
Vo (REG 3) Output voltage 5V
4.75
5
5.25
V
ΔV
Line regulation
Vin2 = 7 to 18V; I = 800mA
50
mV
ΔV
Line regulation
Vin2 = 6 to 18V; I = 10mA
50
mV
ΔVi
Load regulation
Ireg3 = 1 to 800mA
100 mV
Iq
Quiescent current
Ireg3 = 10mA
5
mA
PSRR
Supply voltage ripple rejection
f = 1KHz; Vin1 = 1.5Vpp;
Io = 800mA
50
dB
Vdrop
Drop out voltage
Ireg3 = 800mA (1)
1.5
V
Im
Current limit
Rshort = 0.5Ω
1
2
A
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