FAN2510 Fairchild Semiconductor, FAN2510 Datasheet

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FAN2510

Manufacturer Part Number
FAN2510
Description
The FAN2510/11 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
Manufacturer
Fairchild Semiconductor
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
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Manufacturer:
MICREL
Quantity:
45 000
Part Number:
FAN2510S33X-NL
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Part Number:
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Features
• Ultra Low Power Consumption
• Enable optimized for CDMA time slices
• 100 mV dropout voltage at 100 mA
• 25 µA ground current at 100 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 FAN2510/11 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
FAN2510, FAN2511
100 mA CMOS LDO Regulators with Fast Start Enable
V IN
FAN2510
Bandgap
Thermal
Sense
Error
Amplifier
EN
p
V IN
FAN2511-XX
GND
ADJ
Bandgap
V OUT
Thermal
Sense
Error
Amplifier
EN
wide variety of external capacitors, and the compact SOT23-5
surface-mount package. In addition, the FAN2510/11 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 FAN2510 and FAN2511 devices are distinguished by
the assignment of pin 4:
FAN2510: pin 4 – ADJ, allowing the user to adjust the
output voltage over a wide range using an external voltage
divider.
FAN2510-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.
FAN2511-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.
V IN
FAN25100-XX
Bandgap
p
GND
Thermal
Sense
ERR
Error
Amplifier
V OUT
EN
www.fairchildsemi.com
p
GND
BYP
V OUT
REV. 1.0.7 12/17/10

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FAN2510 Summary of contents

Page 1

... The output is thermally protected against overload. The FAN2510 and FAN2511 devices are distinguished by the assignment of pin 4: FAN2510: pin 4 – ADJ, allowing the user to adjust the output voltage over a wide range using an external voltage divider. FAN2510-XX: pin 4 – BYP, to which a bypass capacitor may be connected for optimal noise performance. Output voltage is fi ...

Page 2

... ADJ BYP V V OUT OUT Pin Function Description FAN2510 Adjust. Ratio of potential divider from VOUT to ADJ determines output voltage. FAN2510-XX Bypass. Connect 470 pF capacitor for noise reduction. FAN2511-XX Error. Error flag output. 0: Output voltage < 95% of nominal. 1: Output voltage > 95% of nominal. Enable. ...

Page 3

... Applications Information External Capacitors – Selection The FAN2510/11 allows the user to utilize a wide variety of capacitors compared to other LDO products. An innovative design approach offers significantly reduced sensitivity to ESR (Effective Series Resistance), which degrades regulator loop stability in older designs ...

Page 4

... PRODUCT SPECIFICATION Thermal Characteristics The FAN2510/11 is designed to supply 100mA at the speci- fied output voltage with an operating die (junction) tempera- ture 125°C. Once the power dissipation and thermal resistance is known, the maximum junction temperature of the device can be calculated. While the power dissipation is ...

Page 5

... FAN2510/FAN2511 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

... C = 10µF, OUT C = 0.01µF BYP >10KHz 10µF, OUT C = 0.01µF BYP 120 Hz 10µF, OUT C = 0.01µF BYP = 100µA, V > 2 OUT OUT IH FAN2510/FAN2511 Min. Typ. Max. Units 2 100 140 1.24 1.32 1. µA Thermally Protected 1 µA 150 ° ...

Page 7

... FAN2510/FAN2511 Typical Performance Characteristics Power Supply Rejection Ratio 100 I = 100 A OUT C = 1.0 F Cer. 80 OUT 4. 3.0V OUT 10k 100k 1M 10M 100 Frequency (Hz) Power Supply Rejection Ratio 100 I = 100 A OUT Cer. 80 OUT C = 0.01 F BYP 4. 3.0V OUT 0 1k 10k 100k 1M 10M ...

Page 8

... Temperature ( C) Output Voltage vs. Temperature 3. 2.9 Typical 3V device I = 100 125 -40 80 Temperature ( C) Disable V OUT FAN2510/FAN2511 Dropout Voltage 100.00 80.00 60.00 40.00 20.00 0. 100 0.1 60 Output Current (mA) Dropout Voltage 125 100 100mA 125 -40 80 Temperature ( C) Shutdown Delay Time (20 s/div) REV ...

Page 9

... FAN2510/FAN2511 Mechanical Dimensions 5-Lead SOT-23-5 (S) Package Inches Millimeters Symbol Min. Max. Min. A .035 .057 .90 A1 .000 .006 .00 B .008 .20 .020 c .003 .010 .08 D .106 .122 2.70 E .059 .071 1.50 e .037 BSC .95 BSC e1 .075 BSC 1.90 BSC H .087 .126 2.20 .004 .024 . ...

Page 10

... 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. FAN2510/FAN2511 Package Marking ANA 12/17/10 0.0m 005 Stock#DS30002510 2010 Fairchild Semiconductor Corporation ...

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