BD6520F(2008) 데이터 시트보기 (PDF) - ROHM Semiconductor

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BD6520F
(Rev.:2008)

Large Current Output Power Management Switch ICs

ROHM Semiconductor 

Over temperature

occurs

VDD

Over temperature Over temperature

corrected

occurs

Over temperature

corrected

VCTRL

VOUT

Latch

Release Set

Release

Discharge circuit

OFF

ON OFF

Release

Set Release

OFF

Fig.63 Thermal shutdown operation

●Typical application circuits

Power Supply

1uF

Css

On/Off

BD6520F

VDDA

OUTA

VDDB OUTB

SSCTL OUTC

CTRL

VSS

Load

Power Supply

1uF

Css

On/Off

BD6522F

VDDA OUTA

VDDB OUTB

SSCTL DISC

CTRL

VSS

Load

Fig.64 Power supply switch circuit (BD6520F)

Fig.65 Power supply switch circuit (BD6522F)

Power Supply A

Css

On/Off

BD6522F

VDDA OUTA

VDDB OUTB

SSCTL DISC

CTRL VSS

Power Supply B

Css

On/Off

BD6522F

VDDA OUTA

VDDB OUTB

SSCTL DISC

CTRL VSS

Load

Fig.66 2 power supply changeover switch circuit (BD6522F)

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