L5951 データシートの表示（PDF） - STMicroelectronics

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L5951

Triple output multifunction voltage regulator for car radio with IDR/class2 interface

STMicroelectronics 

Electrical specifications

L5951

Table 6. Electrical characteristics (continued)

Symbol

Parameter

Test Condition

Min. Typ. Max. Unit

RXLTOHdly

RXHTOLdly

RX output delay time

See Figure 4

Measured from BUS threshold

voltage

1.5

s

1.9

s

RXLTOH

RXHTOL

RX output transition time

Load RX with 50pF to ground

See Figure 5

170

ns

70

ns

RXLTOH RX output transition time during Load RX with 50pF to ground

170

ns

RXHTOL sleep state

See Figure 5, Sleep(1) = 0VDC

70

ns

1. Denotes active low.

Obsolete Product(s) - Obsolete Product(s) 3.4

BUS timing diagrams

Figure 3. BUS rise and fall times

5V

TX

64μsec

0V

6.25V

BUS

1.5V

trise

tfall

6.25V

1.5V

D99AU993

Figure 4. BUS pulse width distortion

5V

64μsec

TX

0V

6.25V

BUS 3.875V

1.5V

>35μsec

64μsec

<93μsec

D99AU994

12/18

DocID7510 Rev 2

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