FAN2515 Fairchild Semiconductor, FAN2515 Datasheet

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FAN2515

Manufacturer Part Number
FAN2515
Description
The FAN2514/15 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 portale devices
Manufacturer
Fairchild Semiconductor
Datasheet

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FAN2515S25X_NL
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FAN2515S26X_NL
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Features
• Ultra Low Power Consumption
• Enable optimized for CDMA time phases
• 200 mV dropout voltage at 200 mA
• 75 µA ground current at 200 mA
• Enable/Shutdown Control
• SOT23-5 package
• Thermal limiting
• 300 mA peak current
Applications
• Cellular Phones and accessories
• PDAs
• Portable cameras and video recorders
• Laptop, notebook and palmtop computers
Description
The FAN2514/15 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
FAN2514, FAN2515
200 mA CMOS LDO Regulators
with Fast Start Enable
V IN
Bandgap
Thermal
Sense
Error
Amplifier
FAN2514
EN
p
GND
ADJ
V OUT
Bandgap
V IN
Thermal
Sense
Error
Amplifier
wide variety of external capacitors, and the compact SOT23-5
surface-mount package. In addition, the FAN2514/15 family
offer the fast power-cycle time required in CDMA handset
applications. The products offer significant improvements
over older BiCMOS designs and are pin-compatible with
many popular devices. The output is thermally protected
against overload.
The FAN2514 and FAN2515 devices are distinguished by
the assignment of pin 4:
FAN2514: pin 4 – ADJ, allowing the user to adjust the
output voltage over a wide range using an external voltage
divider.
FAN2514-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.
FAN2515-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.
EN
FAN2515-XX
V IN
p
Bandgap
GND
ERR
V OUT
Thermal
www.fairchildsemi.com
Sense
Error
Amplifier
EN
FAN2514-XX
REV. 1.0.9 12/17/10
p
GND
BYP
V OUT

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FAN2515 Summary of contents

Page 1

... FAN2514-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. FAN2515-XX: pin 4 – ERR, a flag which indicates that the output voltage has dropped below the specified minimum due to a fault condition. ...

Page 2

... V OUT OUT Pin Function Description FAN2514 Adjust. Ratio of potential divider from VOUT to ADJ determines output voltage. FAN2514-XX Bypass. Connect 470 pF capacitor for noise reduction. FAN2515-XX Error. Error flag output. 0: Output voltage < 95% of nominal. 1: Output voltage > 95% of nominal. Enable. 0: Shutdown V . OUT 1: Enable V ...

Page 3

... If this shutdown function is not needed, the pin can simply be connected to the V pin. Allowing this pin to IN float will cause erratic operation. Error Flag (FAN2515 only) To indicate conditions such as input voltage dropout (low V ), overheating, or overloading (excessive output IN current), the ERR pin indicates a fault condition ...

Page 4

... Component-side copper provides significantly better thermal performance for this surface-mount device, compared to that obtained when using only copper planes on the underside. FAN2514/FAN2515 , using an external resistor IN presented to the ADJ pin is fed to ADJ ...

Page 5

... FAN2514/FAN2515 Absolute Maximum Ratings Parameter Power Supply Voltages V (Measured to GND) IN Enable Input (EN) Applied voltage (Measured to GND) ERR Output Applied voltage (Measured to GND) Power 3 Dissipation Temperature Junction Lead Soldering (5 seconds) Storage 4 Electrostatic Discharge Notes: 1. Functional operation under any of these conditions is NOT implied. Performance and reliability are guaranteed only if Operating Conditions are not exceeded ...

Page 6

... Logic Low Voltage IL V Logic High Voltage IH I Input Current High IH I Input Current Low I Switching Characteristics Parameter 4 Enable Input Response time Error Flag (FAN2515-XX) Response time Performance Characteristics Symbol Parameter Line regulation OUT Load regulation OUT OUT e Output noise ...

Page 7

... FAN2514/FAN2515 Typical Performance Characteristics Power Supply Rejection Ratio 100 I = 100 A OUT C = 1.0 F Cer. 80 OUT 4. 3.0V OUT 0 1k 10k 100k 1M 10M 10 100 Frequency (Hz) Power Supply Rejection Ratio 100 I = 200mA OUT C = 1.0 F Cer. 80 OUT 4. 3.0V OUT 10k 100k 1M 10M ...

Page 8

... Dropout Voltage 150.00 120.00 90.00 60.00 30.00 0.00 0.1 50 100 150 200 Output Current (mA) Dropout Voltage 200 150 100 I = 200mA 125 -40 80 Temperature ( C) V OUT FAN2514/FAN2515 Ground Pin Current OUT I = 100 - 125 Temperature ( C) Dropout Characteristics 3.5 3 OUT 2 30K OUT 2 ...

Page 9

... BSC e1 .075 BSC 1.90 BSC H .087 .126 2.20 .004 .024 . Notes: Notes 1. Package outline exclusive of mold flash & metal burr. Max. 2. Package outline exclusive of solder plating. 1.45 3. EIAJ Ref Number SC-74A. .15 .50 .25 3.10 1.80 3.20 . FAN2514/FAN2515 REV. 1.0.9 12/17/10 ...

Page 10

... Width 7" 8mm 2. 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 affect its safety or effectiveness. FAN2514/FAN2515 Package Marking AGA AGW AHE 12/17/10 0.0m 002 Stock#DS30002514 2010 Fairchild Semiconductor Corporation ...

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