LP3905 Datasheet Power Management Unit For Low Power Handheld Applications

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: .. LP3905 Power Management Unit For Low Power Handheld Applications August 2006 LP3905 Power Management Unit For Low Power Handheld.

Datasheet Details

Part number	LP3905
Manufacturer	National Semiconductor (now Texas Instruments)
File Size	706.46 KB
Description	Power Management Unit For Low Power Handheld Applications
Datasheet	LP3905_NationalSemiconductor.pdf

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

This device integrates two 600mA DC/DC buck regulators and two 150mA linear regulators.

Fixed and adjustable buck output versions are available.

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.

Brand Logo	Part Number	Description	Manufacturer
	LP3905	Power Management	Texas Instruments

Part Number	Description
LP3906	Dual High Current Step Down DC/DC and Dual Linear Regulator
LP3907	Dual High-Current Step-Down DC/DC and Dual Linear Regulator
LP3910	Power Management
LP3913	Power Management
LP3917	CDMA Cellular Phone Power Management
LP3919	CDMA Power Management
LP3921	Battery Charger Management/Regulator
LP3923	Cellular Phone Power Management
LP3927	Cellular/PCS System Power Management
LP3928	High Speed Bi-Directional Level Shifter and Ultra Low-Dropout CMOS Voltage Regulator