MB3832APFV(1999) 데이터 시트보기 (PDF) - Fujitsu

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MB3832APFV
(Rev.:1999)

DC/DC Converter IC for Charging

Fujitsu 

FUJITSU SEMICONDUCTOR

DATA SHEET

DS04-27701-2E

ASSP For Power Management Applications

(Secondary battery)

DC/DC Converter IC for Charging

MB3832A

s DESCRIPTION

The MB3832A is a pulse width modulation (PWM) DC/DC converter IC, incorporating a current detector amplifier

and error amplifiers (2 circuits) to control the output voltage and current independently. It is suitable for down-

conversion.

With an on-chip reference voltage generator, the MB3832A is best suited for use in applications such as lithium-

ion battery (1-cell to 3-cell) chargers.

s FEATURES

• High precision reference voltage source: 2.5 V ± 0.5% (+25°C)

: 2.5 V ± 1.0% (–10°C to +85°C)

• High frequency operating capability: 500 kHz max.

• Wide operating supply voltage range: 3.6 V to 18 V

• On-chip current detector amplifier with wide in-phase input voltage range: 0 V to VCC

• On-chip standby function

• On-chip triangular waveform oscillator capable of operating in external synchronization

• On-chip, timer-latch short-circuit protection circuit

• Internal totem-pole output stage supporting P-channel MOS FETs and PNP transistors

s PACKAGE

20-pin plastic SSOP

(FPT-20P-M03)

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