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MB3883 Fiches technique(PDF) 1 Page - Fujitsu Component Limited.

No de pièce MB3883
Description  6-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down
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Fabricant  FUJITSU [Fujitsu Component Limited.]
Site Internet  http://edevice.fujitsu.com/fmd/en/index.html
Logo FUJITSU - Fujitsu Component Limited.

MB3883 Fiches technique(HTML) 1 Page - Fujitsu Component Limited.

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DS04-27225-2E
FUJITSU SEMICONDUCTOR
DATA SHEET
ASSP For Power Management Applications
6
-ch DC/DC Converter IC with Synchronous
Rectifier for Voltage Step-up and Step-down
MB3883
s
s
s
s DESCRIPTION
The MB3883 is a 6-channel step-up/step-down DC/DC converter IC using pulse width modulation (PWM) and
synchronous rectification, designed for low voltage, high efficiency, and compact size. This IC is ideal for up
conversion, down conversion, and up/down conversion (using a step-up/step-down Zeta system with free input
and output settings).
The MB3883 can operate at low voltage levels, and has a wide supply voltage range from 1.7 V to 9 V.
The MB3883 is available in two packages, an LQFP-48P or a leadless BCC-48P formed with a contact electrode
pad only.
This is an ideal power supply for high-performance portable devices such as digital still cameras.
s
s
s
s FEATURES
• Supports synchronous rectification (CH1, 2, 5)
• Supports for down-conversion and up/down Zeta conversion (CH1, 2)
Supports for up-conversion (CH5)
• Supports up-conversion (CH3, 4, 6)
• Low start-up voltage
: 1.7 V (CH6)
• Power supply voltage range
: 2.4 V to 9 V (CH6)
: 3.6 V to 9 V (CH1 to CH5)
• Built-in high-precision reference voltage circuit
:
±1 %
• Wide operating oscillator frequency range with high-frequency capability : 100 kHz to 1 MHz
• Error amplifier output for soft start (CH1 to CH6)
• Totem-pole type output switch control circuit
s
s
s
s PACKAGES
48-pin plastic LQFP
48-pad plastic BCC
(FPT-48P-M05)
(LCC-48P-M02)


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