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LP3927 Cellular/PCS System Power Management

LP3927 Description

LP3927 Cellular/PCS System Power Management IC August 2002 LP3927 Cellular/PCS System Power Management IC General .
The LP3927 system power management IC is designed for cellular/PCS handsets as well as other portable systems that require intelligent power managemen.

LP3927 Features

* an extremely low dropout voltage of 100 mV (typ) at maximum output current. LDO1 and LDO2 are powered on and off by either the KYBD or the VEXT pin. LDO3, LDO4 and LDO5 each have its independent enable pin. LDO1 and LDO4 are rated at 150 mA each, LDO2 and LDO5 are rated at 200 mA each and LDO3 is ra

LP3927 Applications

* n n n n Cellular/PCS handsets PDA’s, Palmtops, and portable terminals Single
* Cell Li+ Systems 2- or 3- Cell NiMH, NiCd or Alkaline System Typical Application Circuit 20037901 VDD1, VDD2 and VDD3 must be tied together externally. Collectively called VDD. © 2002 National Semiconductor Corp

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Datasheet Details

Part number
LP3927
Manufacturer
National Semiconductor
File Size
326.09 KB
Datasheet
LP3927_NationalSemiconductor.pdf
Description
Cellular/PCS System Power Management

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National Semiconductor LP3927-like datasheet