L5958SM データシートの表示（PDF） - STMicroelectronics

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L5958SM

Multifunction voltage regulator for car radio

STMicroelectronics 

L5958

Figure 7. Reset and BU1 backup diagram

14 V

Vin1

Electrical specifications

BU1

t

3.30 V

REG5

3.20 V

3.15 V

t

1.80 V

REG6

1.76 V

1.74 V

t

CDELAY

3V

t

RESET

Figure 8. BU2 backup diagram

14 V

Vin1

AC00598

t

BU2

t

3.30 V

REG3

t

1.80 V

REG4

AC00599

t

Figure 9.

Maximum ESR for stability (valid for all the regulator outputs)

ESR

[Ω]

20

15

10

5

50mΩ

0

0.1

Maximum ESR

Stable region

1

10

Minimum ESR

100

AC00600

C [ µF ]

Doc ID 17716 Rev 1

15/20

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