L5951(2001) データシートの表示（PDF） - STMicroelectronics

部品番号

コンポーネント説明

メーカー

L5951
(Rev.:2001)

TRIPLE OUTPUT MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO WITH IDR/CLASS 2 INTERFACE

STMicroelectronics 

L5951

ELECTRICAL CHARACTERISTICS (continued)

(Tamb = 25°C, VBAT = 14.4V unless otherwise specified. Standard Loads: IREG1 = 0.5mA, IREG2 = 0.5mA, IREG3 = 5mA)

Symbol

Parameter

Test Condition

Min. Typ. Max. Unit

V1 Spectral Content Limit

(Measure spectral peak from

V2 0.53MHz to 1.6MHz)

VBAT = 9V to 16V, no ground

offset, 0.53 ≤ f ≤ 1MHz.

VBAT = 9V to 16V, no ground

offset, 1 ≤ f ≤ 1.67MHz.

100

µV

80

µV

BUSDLY Propagation Delay

Measure Delay Between TX Trip

16

µs

Point and RX Trip Point

TX to BUS Delay

TX4XDLY

TXNormDLY

Measure from 2.5V on TX to

3.875V on BUS

4X Mode

Normal Mode

3.5

µs

14.5

µs

RXLTOHdly RX Output Delay Time

See Figure 4

1.5

µs

RXHTOLdly

Measured from BUS Threshold

1.9

µs

Voltage

RXLTOH RX Output Transition Time

RXHTOL

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

RXHTOL Sleep State

See Figure 5, Sleep* = 0VDC

170

ns

70

ns

2 BUS TIMING DIAGRAM

Figure 1. BUS Rise and Fall Times

5V

TX

0V

64µsec

6.25V

BUS

1.5V

trise

tfall

Figure 2. BUS Pulse Width Distortion

5V

TX

0V

64µsec

6.25V

1.5V

D99AU993

6.25V

BUS 3.875V

1.5V

>35µsec

64µsec

<93µsec

D99AU994

9/13

Share Link: