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FAN2518

Part Number	FAN2518
Manufacturer	Fairchild Semiconductor
Description	50 mA CMOS LDO Regulators
Published	Mar 30, 2005
Detailed Description	www.fairchildsemi.com FAN2518, FAN2519 50 mA CMOS LDO Regulators with Fast Start Enable Features • • • • • • • • Ultra...
Datasheet	FAN2518 PDF File

Overview

www.
fairchildsemi.
com FAN2518, FAN2519 50 mA CMOS LDO Regulators with Fast Start Enable Features • • • • • • • • Ultra Low Power Consumption Enable optimized for CDMA time phases 50 mV dropout voltage at 50 mA 25 µA ground current at 50 mA Enable/Shutdown Control SOT23-5 package Thermal limiting 300 mA peak current wide variety of external capacitors, and the compact SOT23-5 surface-mount package.
In addition, the FAN2518/19 family offer the fast power-cycle time required in CDMA handset applications.
These products offer signiﬁcant improvements over older BiCMOS designs and are pin-compatible with many popular devices.
The output is thermally protected against overload.
The FAN2518 and FAN2519 devices are distinguished by the assignment of pin 4: FAN2518: pin 4 – ADJ, allowing the user to adjust the output voltage over a wide range using an external voltage divider.
FAN2518-XX: pin 4 – BYP, to which a bypass capacitor may be connected for optimal noise performance.
Output voltage is ﬁxed, indicated by the sufﬁx XX.
FAN2519-XX: pin 4 – ERR, a ﬂag which indicates that the output voltage has dropped below the speciﬁed minimum due to a fault condition.
The standard ﬁxed output voltages available are 2.
5V, 2.
6V, 2.
7V, 2.
8V, 2.
85V, 3.
0V, and 3.
3V.
Custom output voltage are also available: please contact your local Fairchild Sales Ofﬁce for information.
Applications • • • • Cellular Phones and accessories PDAs Portable cameras and video recorders Laptop, notebook and palmtop computers Description The FAN2518/19 family of micropower low-dropout voltage regulators utilize CMOS technology to offer a new level of cost-effective performance in GSM, TDMA, and CDMA cellular handsets, Laptop and Notebook portable computers, and other portable devices.
Features include extremely low power consumption and low shutdown current, low dropout voltage, exceptional loop stability able to accommodate a Block Diagrams EN VIN Bandgap Error Amplifier p VOUT ADJ Thermal Sense FAN2518 GN...

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