BD4201FV Rohm, BD4201FV Datasheet - Page 5

• Manufacturer Part Number: BD4201FV
• Description: Battery Backup IC
• Manufacturer: Rohm

Regulators
CS
Ich
Application circuit
Measurement circuit
SW1
a
Vch
100k
Vout
b
V V1
SW2
a
A
10 F
0.01 F
SW3
3V
I2
10 F
b
b
a
A
2
3
4
1
I3
V V2
Vss
Vch
Vbat
CS
1
2
3
4
Vss
Vch
Vbat
CS
Fig.3
Fig.2
RESET
Vout
Vro
Vin
RESET
Vout
Vro
Vin
6
8
7
5
6
8
7
5
V3 V
I4
A I1
22 F
10 F
0.01 F
10 F
6V
a
A
a
10 F
SW6
SW4
100k
b
b
V V4
Vro
Vout
Iout
BD4201FV
a
V
V5
a
SW5
b c
RESET
SW7
b
A
Iro
5/8
d
I6