MB3879 データシートの表示（PDF） - Fujitsu

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MB3879

DC/DC Converter IC for Parallel Charging of 3/4 cell Li-ion & NiMH Batteries

Fujitsu 

MB3879

(Continued)

• Selection of output voltages by 4-bit decoder:

12.3V (3 cells: 4.1V), 12.6V (3 cells: 4.2V), 16.4V (4 cells: 4.1V), 16.8V (4 cells: 4.2V)

• High efficiency: 94% (using reverse current preventive diode)

• Wide range of power supply voltage: 8 V to 25 V

• Setting precision of output voltage (built-in output voltage setting resistor): ± 0.8% (Ta = +25 °C)

• Setting precision of charge current: ±5%

• Setting of frequency for only external capacitor, using built-in frequency setting resistor.

• Oscillation frequency range: 100 kHz to 500 kHz

• Built-in current detect amplifier with wide range of in-phase input voltages: 0 V to Vcc

• Stand-by current: 0 µA

• Built-in load-independent soft-start circuit

• Built-in charge mode detection function

• Built-in totem-pole outputs supporting Pch MOS FET

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