ST1S30 データシートの表示（PDF） - STMicroelectronics

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ST1S30

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

STMicroelectronics 

Pin configuration

2

Pin configuration

Figure 2. Pin connections (top view)

ST1S30

ST1S30PUR

ST1S30IPUR

!-V

Table 2. Pin description

Pin n° Symbol

Name and function

1

FB Feedback voltage

2

GND System ground

3

SW Switching pin

6

VIN_SW Power supply for the MOSFET switch

7

VIN_A Power supply for analog circuit

8

INH/PG Inhibit (INH) for ST1S30IPUR or Power Good (PG) for ST1S30PUR

Exposed pad

GND

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

performance

4, 5

NC Not internally connected. Can be connected to GND or left floating

4/11

Doc ID 17927 Rev 1

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