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MB3888PFV 데이터 시트보기 (PDF) - Fujitsu

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MB3888PFV Datasheet PDF : 30 Pages
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FUJITSU SEMICONDUCTOR
DATA SHEET
DS04-27710-2E
ASSP For Power Supply Applications (Secondary battery)
DC/DC Converter IC for
Charging Li-ion Battery
MB3888
s DESCRIPTION
The MB3888 is a DC/DC converter IC suitable for down-conversion, using pulse-width (PWM) charging and
enabling output voltage to be set to any desired level from one cell to four cells.
The MB3888 provides a broad power supply voltage range and low standby current as well as high efficiency,
making it ideal for use as a built-in charging device in products such as notebook PC.
This product is covered by US Patent Number 6,147,477.
s FEATURES
• Output voltage setting using external resistor : 1 cell to 4 cells
• High efficiency
: 96% (VIN = 19 V, Vo = 16.8 V)
• Wide range of operating supply voltages : 8 V to 25 V
• Output voltage setting accuracy
: 5 V ± 0.74% (Ta = −10 °C to 85 °C)
• Charging current accuracy
: ±5%
(Continued)
s PACKAGE
20-pin plastic SSOP
(FPT-20P-M03)

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