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PDF FAN2515 Data sheet ( Hoja de datos )
| Número de pieza | FAN2515 | |
| Descripción | 200 mA CMOS LDO Regulators with Fast Start Enable | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de FAN2515 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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FAN2514, FAN2515
200 mA CMOS LDO Regulators
with Fast Start Enable
www.fairchildsemi.com
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
EN
VIN
Bandgap
Error
Amplifier
p
Thermal
Sense
FAN2514
VOUT
ADJ
GND
VIN
Bandgap
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.
VIN
Bandgap
EN
Error
Amplifier
p
BYP
VOUT
EN
Error
Amplifier
p
ERR
Thermal
Sense
FAN2514-XX
GND
VOUT
Thermal
Sense
FAN2515-XX
GND
REV. 1.0.8 2/14/03
1 page  
FAN2514/FAN2515
PRODUCT SPECIFICATION
Absolute Maximum Ratings (beyond which the device may be damaged)1
Parameter
Power Supply Voltages
VIN (Measured to GND)
Enable Input (EN)
Applied voltage (Measured to GND)2
ERR Output
Applied voltage (Measured to GND)2
Power
Dissipation3
Temperature
Junction
Lead Soldering (5 seconds)
Storage
Electrostatic Discharge4
Min Typ Max Unit
0 7V
0 7V
0 7V
Internally limited
-65 150 °C
260 °C
-65 150 °C
4 kV
Notes:
1. Functional operation under any of these conditions is NOT implied. Performance and reliability are guaranteed only
if Operating Conditions are not exceeded.
2. Applied voltage must be current limited to specified range.
3. Based upon thermally limited junction temperature:
PD = T----J---(-m---Θ-a---x-J--)A---–----T----A--
4. Human Body Model is 4kV minimum using Mil Std. 883E, method 3015.7. Machine Model is 400V minimum using JEDEC
method A115-A.
Recommended Operating Conditions
Parameter
VIN
VOUT
VEN
VERR
TJ
θJA
θJC
Input Voltage Range
Output Voltage Range, Adjustable
Enable Input Voltage
ERR Flag Voltage
Junction Temperature
Thermal resistance
Thermal resistance
Min
2.7
VREF
0
-40
Nom
220
130
Max
6.5
VIN-VDO
VIN
VIN
+125
Units
V
V
V
V
°C
°C/W
°C/W
REV. 1.0.8 2/14/03
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet FAN2515.PDF ] | |
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