L4954 查看數據表（PDF） - STMicroelectronics

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产品描述 (功能)

比赛名单

L4954

Quad multifunction voltage regulator for car radio

STMicroelectronics 

L4954

1

Block and pins connection diagrams

Block and pins connection diagrams

Figure 1. Block diagram

VS

STCAP

RESET

LVWarn

EN1

EN2

EN3

GND

VOLTAGE

REFERENCE

CURRENT

LIMIT

RESET

LVW

OUTPUT

CONTROL

THERMAL

SHUTDOWN

OVERVOLTAGE

PROTECTION

REG1

10V, 40mA

REG2

8.5V, 175mA

REG3

5V, 650mA

REG4

5V, 100mA

HSD1

2.0A

HSD2

0.3A

HSD3

0.3A

10V-REG1

8.5V-REG2

5V-REG3

5V-REG4-STBY

HSD1

HSD2

HSD3

D95AU346

Figure 2. Pins connection diagram (top view)

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

TAB CONNECTED TO PIN 8

10V REG1

8.5V REG2

5V REG3

EN3

EN2

EN1

RESET

GND

LVWarn

5V REG4-STBY

ST CAP

HSD3-0.3A

HSD2-0.3A

VS

HSD1-2A

D95AU347

Doc ID 17719 Rev 1

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