BD4201FV

Regulators

1/8

Battery Backup IC

BD4201FV

BD4201FV is a battery backup IC. Switch that detect battery voltage and switch into back up power supply and

3-channel regulator are incorporated into a single chip.

Current consumption is 15

µA (Max.). This IC is perfect for portable appliances.

Applications

Portable video, Digital camera

Features

1) Low quiescent current

Normal operation < 15.0

µA Max.

Backup mode < 2.1

µA Max.

2) 3 high accurate voltage regulators

3) Low dropout voltage, and high accurate voltage

detectors (CS, RESET)

4) Control circuit; Backup

5) Special sequence;

For shifting to the backup mode. It need to make

main battery over +Vdet1 once.

External dimensions (Unit : mm)

SSOP-B8

5

4

8

1

3.0

±0.2

0.22

±0.1

0.65

(0.52)

0.15

±0.1

0.1

Absolute maximum ratings (Ta=25

°C)

Parameter

Symbol

Limits

Unit

Topr

Tstg

Pd

mW

Vbat

15

V

Vin

15

15

15

V

V

V

Main power supply input Voltage

Back up power supply input Voltage

Power dissipation

Operating temperature

Storage temperature

−30 to +85

−40 to +125

C

C

CS output Voltage

Vcs

VRES

350 ∗

RESRT output Voltage

Commendable operating status (Ta=25

°C)

Vin

2.0

15.0

V

Vbat

2.0

15.0

V

Iro

0

20.0

Iout

0

60.0

Ich

-

-

-

-

-

0

20.0

Parameter

Min.

Max.

Unit

Typ.

Symbol

Power supply range

Backup power supply range

Load current range1

Load current range2

Load current range3

mA

mA

mA