參數(shù)資料
型號(hào): MB3829
廠商: Fujitsu Limited
英文描述: System Power Supply IC for Mobile Telephone
中文描述: 系統(tǒng)電源集成電路移動(dòng)電話
文件頁(yè)數(shù): 1/24頁(yè)
文件大?。?/td> 442K
代理商: MB3829
March 1998
Edition 1.0
DATA SHEET
Copyright
1998 by FUJITSU LIMITED
1
DESCRIPTION
This power supply ICincorporates a4-channelseries regulatorandabattery
backup function. It is a multi-function power supply IC with an output control
function and momentary power-loss detection circuit, which are both
requiredfor mobiletelephones. Italsoincorporatesaspeakeramplifier anda
buzzer driver.
Since it has a built-in power system suitable for mobile
telephones, it promises equipment downsizing.
FEATURES
Power consumption during standby
4-channel low-saturation voltage type
series regulator
Battery backup function
Momentary power-loss and power-restoration functions
ON/OFF switch circuit with an operating error prevention function
BTL amplifier for driving the speaker
Buzzer driver to permit changing the sound volume : 200 mA max.
Power supply voltage drops are accurately detected.
Hysteresis is provided for detection voltage.
Watchdog timer stop function is provided (inhibit pin).
Watchdog monitoring time and reset time are set independently.
: 0.22 mW (typ.)
: 6
typ. for channels 1-3
20
typ. for channel 4
: Output power= 90 mW typ.
MB3829
System Power Supply IC for Mobile Telephone
48-PIN PLASTIC LQFP
(FPT-48P-M05)
This device contains circuitry to protect the inputs against
damage due to high static voltages or electric fields.
However, it is advised that normal precautions be taken to
avoid application of any voltage higher than maximum rated
voltages to this high impedance circuit.
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MB3829PFV-G-BND 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:System Power Supply IC for Mobile Telephone
MB3832A 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:DC/DC Converter IC for Charging
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