LP3905 - Power Management Unit For Low Power Handheld Applications

National Semiconductor

Datasheet Details

LP3905 is a multi-functional Power Management Unit, optimized for low power handheld applications.

two enable pins for the device output control and is offered in an LLP package. Key Specifications Buck Regulators n Fixed and adjustable voltage options, range 1.0V to 3.3V.
n Up to 90% Efficiency n Auto-switching PFM-PWM mode and fixed PWM mode n 2MHz PWM fixed switching frequency (Typ) n 600mA output current n ± 4% output voltage accuracy over temp. n Internal softstart n 2.2µH inductor, 10µF Input and 10µF output Caps Linear Regulators n Output options in the range 1.5V to 3.3V.
n.

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Published: Dec 27, 2006 |