L5958 데이터 시트보기 (PDF) - STMicroelectronics

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L5958

Multifunction voltage regulator for car radio

STMicroelectronics 

L5958

Electrical specifications

Table 5. Electrical characteristics (continued)

Symbol

Parameter

Test condition

Min. Typ. Max. Unit

Load dump

Vin1

Battery over voltage

Vin1

Load dump

Vin2

Battery over voltage

Vin2

Regulator 1

24

26

28

V

24

26

28

V

Vo (8.5sw)

ΔV

Output voltage 8.5V

Line regulation

-

8.0 8.5 8.9

V

I = 20 0mA; 9 V < Vs < 18 V

-

-

50 mV

ΔVi

PSRR

Vdrop

Im

Load regulation

Supply voltage ripple rejection

Drop out voltage

Current limit

Ireg1 = 1 to 20 0mA

f = 1 kHz; Vin1 = 1.5 Vpp;

Io = 200 mA

Ireg1 = 200 mA(1)

Rshort = 0.5 Ω

-

-

100 mV

45

-

-

dB

-

-

0.35

V

0.3

-

0.6

A

Regulator 2

Vo (5Vsw)

ΔV

Output voltage 5V

Line regulation

-

4.75 5 5.25 V

I = 300 mA; 9 V < Vs < 18 V -

-

50 mV

ΔVi

PSRR

Vdrop

Im

Load regulation

Supply voltage ripple rejection

Drop out voltage

Current limit

Ireg2 = 1 to 300 mA

f = 1 kHz; Vin1 = 1.5 Vpp;

Io = 300 mA

Ireg2 = 300 mA (1)

Rshort = 0.5 Ω

-

-

100 mV

50

-

-

dB

-

-

0.45

V

400

-

800 mA

Regulator 3

Vo (3.3sw)

ΔV

Output voltage 3.3V

Line regulation

-

3.15 3.30 3.45 V

I = 250 mA; 4.5 V < Vs < 18 V -

-

50 mV

ΔVi

PSRR

Vdrop

Im

Load regulation

Supply voltage ripple rejection

Drop out voltage

Current limit

Ireg3 = 1 to 250 mA

f = 1 kHz; Vin1 = 1.5 Vpp;

Io = 250 mA

Ireg3 = 250 mA (1)

Rshort = 0.5 Ω

-

-

100 mV

50

-

-

dB

-

-

0.75

V

400

-

800 mA

Regulator 4

Vo (1.8sw)

ΔV

Output voltage 1.8V

Line regulation

-

1.73 1.80 1.90 V

I = 350 mA; 4.5 V< Vs < 18 V -

-

50 mV

ΔVi

PSRR

Vdrop

Im

Load regulation

Supply voltage ripple rejection

Drop out voltage

Current limit

Ireg4 = 1 to 350 mA

f = 1 kHz; Vin1 = 1.5 Vpp;

Io = 350 mA

Ireg4 = 35 0mA (1)

Rshort = 0.5 Ω

-

-

100 mV

50

-

-

dB

-

-

2.2

V

430

-

800 mA

Doc ID 17716 Rev 1

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