BD2270HFV-TR 데이터 시트보기 (PDF) - ROHM Semiconductor

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BD2270HFV-TR

MOSFET Controller IC for Load Switching

ROHM Semiconductor 

BD2270HFV

●Block Diagram

GATE

Technical Note

VCC

Charge

OSC

Pump

(x3)

GND

DISC

Control

AEN

Fig.32 Block Diagram

VCC 1

5 GATE

GND 2

AEN 3

4 DISC

Fig.33 Pin Configuration

●Pin description

PIN No.

1

2

3

4

5

PIN name I / O Function

VCC

- Power input terminal

GND

AEN

- Ground terminal

Control input terminal

I Turn ON the external MOSFET switch with high level input.

High level input  2.0V, Low level input  0.8V

DISC

O Switch output discharge terminal

GATE

GATE drive output terminal

O

Used to connect the gate of the external N-channel MOSFET.

●I/O circuit

Pin name

Pin No.

Equivalent circuit

AEN

3

DISC

4

GATE

5

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6/12

2009.04 - Rev.A

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