ML4865CS-2 Hoja de datos - Micro Linear Corporation
Número de pieza
ML4865CS-2
Fabricante
Micro Linear Corporation
GENERAL DESCRIPTION
The ML4865 is a high voltage, continuous conduction boost regulator designed for DC to DC conversion in multiple cell battery powered systems. Continuous conduction allows the regulator to maximize output current for a given inductor. The maximum switching frequency can exceed 200kHz, allowing the use of small, low cost inductors. The ML4865 is capable of start-up with input voltages as low as 1.8V and generates a 12V output with output voltage accuracy of ±4%.
FEATURES
■ Guaranteed full load start-up and operation at 1.8V
input
■ Continuous conduction mode for high output current
■ Very low quiescent current
■ Pulse frequency modulation and internal synchronous
rectification for high efficiency
■ Maximum switching frequency > 200kHz
■ Minimum external components
■ Low ON resistance internal switching FETs
■ Fixed 12V output can be adjusted to lower output
voltages
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