MB3883

更新时间： 2024-11-06 22:39:23

品牌	Logo	应用领域
富士通 - FUJITSU		转换器
页数	文件大小	规格书
39页	453K
描述
6-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down

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MB3883 数据手册

FUJITSU SEMICONDUCTOR

DATA SHEET

DS04-27225-2E

ASSP For Power Management Applications

-ch DC/DC Converter IC with Synchronous

Rectifier for Voltage Step-up and Step-down

MB3883

■ 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.

■ 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)

: ±1 %

• Built-in high-precision reference voltage circuit

• 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

■ PACKAGES

48-pin plastic LQFP

48-pad plastic BCC

(FPT-48P-M05)

(LCC-48P-M02)

12 3 4 5 6 7...39

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