FAN2508S26X

FAN2508S26X Datasheet

FAN2508, FAN2509

Part	Datasheet
FAN2508S26X	FAN2508S26X (pdf)

Related Parts	Information
FAN2509S30X	FAN2509S30X
FAN2509S28X	FAN2509S28X
FAN2509S285X	FAN2509S285X
FAN2509S27X	FAN2509S27X
FAN2508SX	FAN2508SX
FAN2509S26X	FAN2509S26X
FAN2508S28X	FAN2508S28X
FAN2508S285X	FAN2508S285X
FAN2508S27X	FAN2508S27X

PDF Datasheet Preview
FAN2508, FAN2509 50 mA CMOS LDO Regulators • Ultra Low Power Consumption • 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 • Cellular Phones and accessories • PDAs • Portable cameras and video recorders • Laptop, notebook and palmtop computers The FAN2508/09 family of micropower low-dropout voltage regulators utilize CMOS technology to offer a new level of cost-effective performance in GSM and TDMA 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 VIN Bandgap Error Amplifier VOUT FAN2508 Thermal Sense VIN Bandgap wide variety of external capacitors, and the compact SOT23-5 surface-mount package. The FAN2508/09 family of products offer improvements over older BiCMOS designs and are pin-compatible with many popular devices. The output is thermally protected against overload. The FAN2508 and FAN2509 devices are distinguished by the assignment of pin 4: FAN2508 pin 4 ADJ, allowing the user to adjust the output voltage over a wide range using an external voltage divider. FAN2508-XX pin 4 BYP, to which a bypass capacitor may be connected for optimal noise performance. Output voltage is indicated by the XX. FAN2509-XX pin 4 ERR, a which indicates that the output voltage has dropped below the minimum due to a fault condition. The standard 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 for information. EN VIN Bandgap Error Amplifier BYP VOUT FAN2508-XX EN Error Amplifier Thermal Sense ERR VOUT FAN2509-XX Thermal Sense PRODUCT SPECIFICATION Pin Assignments FAN2508/FAN2509 VIN 1 GND 2 5 VOUT 4 ADJ/BYP/ERR Pin No. FAN2508 VIN GND EN ADJ VOUT FAN2508-XX VIN GND EN BYP VOUT FAN2509-XX VIN GND EN ERR VOUT Pin Descriptions Ordering Information Product Number FAN2508SX FAN2508S25X FAN2508S26X FAN2508S27X FAN2508S28X FAN2508S285X FAN2508S30X FAN2508S33X FAN2509S25X FAN2509S26X FAN2509S27X FAN2509S28X FAN2509S285X FAN2509S30X FAN2509S33X VOUT Adj. Tape and Reel Information Quantity 3000 Reel Size 7" Pin 4 Function Adjust Bypass Error output Error output Error output Error output Error output Error output Error output Width 8mm FAN2508/FAN2509 Package Marking AAA AAE AAG AAJ AAM AAN AAW AA3 ABE ABG ABJ ABM ABN ABW AB3 DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: Life support devices or systems are devices or systems which, a are intended for surgical implant into the body, or b support or sustain life, and c whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. 2/14/03 0.0m 005 Stock#DS30002508 2000 Fairchild Semiconductor Corporation

PDF Datasheet Preview

FAN2508, FAN2509
50 mA CMOS LDO Regulators
• Ultra Low Power Consumption
• 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
• Cellular Phones and accessories
• PDAs
• Portable cameras and video recorders
• Laptop, notebook and palmtop computers

The FAN2508/09 family of micropower low-dropout voltage regulators utilize CMOS technology to offer a new level of cost-effective performance in GSM and TDMA 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

VIN Bandgap

Error

Amplifier

VOUT

FAN2508

Thermal Sense

VIN Bandgap
wide variety of external capacitors, and the compact SOT23-5 surface-mount package. The FAN2508/09 family of products offer improvements over older BiCMOS designs and are pin-compatible with many popular devices. The output is thermally protected against overload.

The FAN2508 and FAN2509 devices are distinguished by the assignment of pin 4:

FAN2508 pin 4 ADJ, allowing the user to adjust the output voltage over a wide range using an external voltage divider.

FAN2508-XX pin 4 BYP, to which a bypass capacitor may be connected for optimal noise performance. Output voltage is indicated by the XX.

FAN2509-XX pin 4 ERR, a which indicates that the output voltage has dropped below the minimum due to a fault condition.

The standard 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 for information.

EN VIN

Bandgap

Error

Amplifier

BYP VOUT

FAN2508-XX EN

Error

Amplifier

Thermal Sense

ERR VOUT

FAN2509-XX

Thermal Sense

PRODUCT SPECIFICATION

Pin Assignments

FAN2508/FAN2509

VIN 1 GND 2
5 VOUT 4 ADJ/BYP/ERR

Pin No.

FAN2508 VIN GND EN ADJ VOUT

FAN2508-XX VIN GND EN BYP VOUT

FAN2509-XX VIN GND EN ERR VOUT

Pin Descriptions
Ordering Information

Product Number FAN2508SX FAN2508S25X FAN2508S26X FAN2508S27X FAN2508S28X FAN2508S285X FAN2508S30X FAN2508S33X FAN2509S25X FAN2509S26X FAN2509S27X FAN2509S28X FAN2509S285X FAN2509S30X FAN2509S33X

VOUT Adj.

Tape and Reel Information

Quantity 3000

Reel Size 7"

Pin 4 Function Adjust Bypass

Error output Error output Error output Error output Error output Error output Error output

Width 8mm

FAN2508/FAN2509

Package Marking AAA AAE AAG AAJ AAM AAN AAW AA3 ABE ABG ABJ ABM ABN ABW AB3

DISCLAIMER

FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.

LIFE SUPPORT POLICY

FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein:

Life support devices or systems are devices or systems which, a are intended for surgical implant into the body, or b support or sustain life, and c whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user.

A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
2/14/03 0.0m 005 Stock#DS30002508 2000 Fairchild Semiconductor Corporation

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived FAN2508S26X Datasheet file may be downloaded here without warranties.

Datasheet ID: FAN2508S26X 513883