BTS307 데이터 시트보기 (PDF) - Siemens AG

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BTS307

Smart Highside Power Switch

Siemens AG 

Figure 5a: Open load, : detection in OFF-state, turn

on/off to open load

IN

ST

td(ST OL3)

Figure 6a: Undervoltage:

IN

Vbb

V

bb(under)

V

OUT

V OUT

BTS 307

Vbb(u cp)

Vbb(u rst)

I

L

open

normal

*) t

td(ST,OL3) depends on external circuitry because of high

impedance

*) IL = 6 µA typ

Figure 5b: Open load, : detection in OFF-state, open

load occurs in off-state

ST open drain

t

Figure 6b: Undervoltage restart of charge pump

Von

IN

ST

V bb(u

V

OUT

V

bb(u cp)

V bb(under)

VOUT(OL)

Vbb

I

L normal

open

normal

charge pump starts at Vbb(ucp) =5.6 V typ.

*)

*)

t

*) IL = 6 µA typ

Semiconductor Group

11

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