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MB3887
2
(Continued)
• 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 : 4.2 V ± 0.74% (Ta = −10 °C to +85 °C , per cell)
• Charging current accuracy : ±5%
• Built-in frequency setting capacitor enables frequency setting using external resistor only
• Oscillation frequency range : 100 kHz to 500 kHz
• Built-in current detection amplifier with wide in-phase input voltage range : 0 V to VCC
• In standby mode, leave output voltage setting resistor open to prevent inefficient current loss
• Built-in standby current function : 0 µA (standard)
• Built-in soft-start function independent of loads
• Built-in totem-pole output stage supporting P-channel MOS FET devices