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MB3892 Datasheet(PDF) 1 Page - Fujitsu Component Limited.

Part No. MB3892
Description  Power Management IC for Mobile Phone
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Maker  FUJITSU [Fujitsu Component Limited.]
Homepage  http://edevice.fujitsu.com/fmd/en/index.html
Logo FUJITSU - Fujitsu Component Limited.

MB3892 Datasheet(HTML) 1 Page - Fujitsu Component Limited.

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DS04-27802-1E
FUJITSU SEMICONDUCTOR
DATA SHEET
ASSP For Power Management Applications (Mobile Phones)
Power Management IC for Mobile
Phone
MB3892
s
s
s
s DESCRIPTION
MB3892 is a low-saturation voltage type series regulator contains 3 channels for the baseband regulator, 1 channel
for the backup regulator, 6 channels for the RF regulator, and 1 channel for the variable regulator. MB3892 is built
in reset circuit, serial control circuit, operation Amp. for charge control of Lithium ion battery, LED drive circuit,
receiver Amp., loudspeaker drive Amp., sounder circuit, vibrator drive circuit, and 4-ch D/A converter and the
devices is miniaturized by systematization of built-in power supply for mobile phone.
s
s
s
s FEATURES
• Power supply voltage range
: VB
= 2.85 V to 5.5 V
: EXTVCC
= 3.0 V to 6.5 V
• Low power consumption current during standby
: 100
µA (Max.)
• Built-in low-saturation voltage type series regulator
• Built-in power-on reset function
• Built-in serial control function
• Built-in operation Amp. for charge control of Lithium ion battery
• Special power off function
(To prevent battery discharge, this function controls the power consumption current of main IC under 11
µA
(typ.) on the shipment.)
s
s
s
s PACKAGE
80-pin plastic LQFP
(FPT-80P-M17)


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