MB3829 View Datasheet(PDF) - Fujitsu

Part Name

Description

Manufacturer

MB3829

System Power Supply IC for Mobile Telephone

Fujitsu 

MB3829

RECOMMENDED OPERATING CONDITIONS(2)

Parameter

Symbol

Condition

Value

Unit

Min.

Typ.

Max.

Control input voltage

VI

—

0

Power

supply

control

section

Output current

Backup current

IO1 to IO3

—

- 50

IO4

—

- 10

IBATT1

—

—

CLR input pulse width

TCLR

—

200

OFF input pulse width

TOFF CT3 = 2.2 mF, RT3 = 1MW

10

ON2 input pulse width

TON2

—

10

ON setting

time setup

Capacitance

CT1

—

—

Resistance

RT1

—

—

Momentary

Capacitance

CT3

—

—

power - loss

time setup

Resistance

RT3

—

—

Speaker

amplifier

section

Control input voltage

Amplifier input voltage

Load resistance

VI

—

0

VIN

—

0.3

RL

—

8

Gain setting range

AV

When Non - INV input

6

—

VCC

V

—

—

mA

—

—

mA

—

200

mA

—

—

ns

—

—

ms

—

—

ms

1.5

—

mF

1

—

MW

2.2

—

mF

1

—

MW

—

VCC

V

—

VCC - 0.8

V

32

200

W

24

36

dB

When INV input

- 26

- 20

36

dB

Sounder

section

Control input voltage

Output current

Voltage

monitoring

section

RESET output current

Reset/hold time setup capacitance

Clock monitoring time setup

capacitance

Clock monitoring time setting

VI

IO1

IO2

IO3

IOL, IOH

CTP

CTW

TWD

—

Duty = 50%

Duty = 50%

Duty = 50%

—

—

—

—

0

—

VCC

V

—

—

200

mA

—

—

100

mA

—

—

50

mA

-3

—

3

mA

0.001

—

10

mF

0.001

—

1

mF

0.1

—

1500

ms

Note: The recommended operating conditions are the recommended values guaranteeing normal LSI operations. The specified

values for electrical characteristics are guaranteed when the conditions in the ”Condition” column, as well as the recommended

operating conditions, are met.

9

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