BD2270HFV View Datasheet(PDF) - ROHM Semiconductor

Part Name

Description

Manufacturer

BD2270HFV

MOSFET Controller IC for Load Switching

ROHM Semiconductor 

BD2270HFV

●Waveform Data

VAEN

(5V/div)

VCC=3.0V

CGATE=500pF

VAEN

(5V/div)

VCC=3.0V

CGATE=500pF

VAEN

(5V/div)

Technical Note

VCC=3.0V

CGATE=500pF

VGATE

(2V/div)

VGATE

(2V/div)

VGATE

(2V/div)

TIME (1ms/div)

Fig.23 GATE Rise / Fall Characteristics

TIME (100μs/div)

Fig.24 GATE Rise Characteristics

TIME (5μs/div)

Fig.25 GATE Fall Characteristics

VAEN

(5V/div)

(2V/div)

VCC=3.0V

RTF025N03

VGATE

VOUT_SWITCH

TIME (100μs/div)

Fig.26 GATE Switch Rise

Characteristics

VAEN

(5V/div)

VGATE

VCC=3.0V

RTF025N03

(2V/div)

VOUT_SWITCH

TIME (5μs/div)

Fig.27 GATE Switch Fall

Characteristics

VAEN

(5V/div)

VGATE

VCC=3.0V

RTF025N03

CL = 100μF

(2V/div)

VOUT_SWITCH

TIME (20ms/div)

Fig.28 GATE Switch Fall

Characteristics

VAEN

(5V/div)

(2V/div)

VCC=3.0V

RSS130N03

VGATE

VOUT_SWITCH

VAEN

(5V/div)

VGATE

(2V/div)

VOUT_SWITCH

VCC=3.0V

RSS130N03

TIME (100μs/div)

Fig.29 GATE Switch Rise

Characteristics

3.3V

MOSFET : RTF025N03

RSS130N03

V IN_SWIT CH

V OUT_SWIT CH

1uF

CL

VCC GATE DISC

ON/OFF

AEN

GND

BD2270HFV

Fig.31 Switch Rise / Fall Characteristics

Measurement Circuit Diagram

www.rohm.com

© 2009 ROHM Co., Ltd. All rights reserved.

TIME (10μs/div)

Fig.30 GATE Switch Fall

Characteristics

5/12

2009.04 - Rev.A

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