Bd4201fv – Rainbow Electronics BD4201FV User Manual

Page 7

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BD4201FV

Regulators

7/8

Fig.4 Simplified structure of IC

(Pin A)

GND

P substrate

N

P

N

N

P

P+

P+

Parasitic diode

Resistance

P substrate

N

P

N

N

P

Transistor (NPN)

B

N

E

C

(Pin B)

GND

GND

B

C

(Pin A)

parasitic diode

(Pin B)

Parasitic diode
or transistor

Parasitic diode
or transistor

~ ~

~ ~

~ ~

~ ~

zPin layout

Vbat

Vro

RESET

Vin

Vout

1

2

Vss

Vch

3

4 5

6

7

8

CS

Fig. 5