ST1S09(2007) Просмотр технического описания (PDF) - STMicroelectronics

Номер в каталоге

Компоненты Описание

производитель

ST1S09
(Rev.:2007)

2A, 1.5 MHz PWM step-down switching regulator with synchronous rectification

STMicroelectronics 

Pin configuration

2

Pin configuration

Figure 2. Pin connections (top view)

ST1S09

ST1S09

ST1S09A

ST1S09I

Table 2. Pin description

Pin N°

Symbol

1

FB

2

GND

3

SW

4

VIN_SW

5

VIN_A

6

INH/PG/NC

Exposed

Pad

GND

Name and function

Feedback voltage

System ground

Switching pin

Power supply for the MOSFET switch

Power supply for analog circuit

Inhibit (to turn off the device) / Power Good / Not Connected.

To be connected to PCB ground plane for optimal electrical and thermal

performance.

4/18

Share Link: