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ADP3303ARZ-5-REEL Datasheet(PDF) 1 Page - Analog Devices

No. de pieza ADP3303ARZ-5-REEL
Descripción Electrónicos  200 mA Low Dropout Linear Regulator
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Fabricante Electrónico  AD [Analog Devices]
Página de inicio  http://www.analog.com
Logo AD - Analog Devices

ADP3303ARZ-5-REEL Datasheet(HTML) 1 Page - Analog Devices

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High Accuracy anyCAP™
200 mA Low Dropout Linear Regulator
Data Sheet
ADP3303
FEATURES
High accuracy over line and load ±0.8% at +25°C, ±1.4%
over temperature
Ultralow dropout voltage: 180 mV (typical) at 200 mA
Requires only CO = 0.47 µF for stability
anyCAP = stable with all types of capacitors (including MLCC)
3.2 V to 12 V supply range
Current and thermal limiting
Low noise
Dropout detector
Low shutdown current: < 1 µA
Thermally enhanced SOIC_N package
Excellent Line and Load Regulation Performance
APPLICATIONS
Cellular telephones
Notebook, palmtop computers
Battery powered systems
Portable instruments
Post regulator for switching supplies
Bar code scanners
FUNCTIONAL BLOCK DIAGRAMS
Figure 1. Functional Block Diagram
Figure 2. Typical Application Circuit
GENERAL DESCRIPTION
The ADP3303 is a member of the ADP330x family of precision
low dropout anyCAP1 voltage regulators. The ADP3303 stands
out from the conventional LDOs with a different architecture,
an enhanced process, and a different package. Its patented design
requires only a 0.47 µF output capacitor for stability. This device
is insensitive to capacitor Equivalent Series Resistance (ESR)
and is stable with any good quality capacitor, including ceramic
types (MLCC) for space restricted applications. The ADP3303
achieves exceptional accuracy of ±0.8% at room temperature
and ±1.4% overall accuracy over temperature, line, and load
regulations. The dropout voltage of the ADP3303 is only
180 mV (typical) at 200 mA.
In addition to the architecture and process, the Analog Devices,
Inc., proprietary thermally enhanced package (Thermal Coastline)
can handle 1 W of power dissipation without external heatsink
or large copper surface on the printed circuit board (PCB). This
keeps PCB real estate to a minimum and makes the ADP3303
very attractive for use in portable equipment.
The ADP3303 operates with a wide input voltage range from
3.2 V to 12 V and delivers a load current in excess of 200 mA.
It features an error flag that signals when the device is about to
lose regulation or when the short circuit or thermal overload
protection is activated. Other features include shutdown and
optional noise reduction capabilities. The ADP330x anyCAP
LDO family offers a wide range of output voltages and output
current levels:
Table 1. ADP330x anyCAP LDO Family
Model
Output Current
Package Options
ADP3300
50 mA
6-Lead SOT-23
ADP3301
100 mA
8-Lead SOIC_N
ADP3309
100 mA
5-Lead SOT-23
1
anyCAP is a trademark of Analog Devices, Inc.
Q2
THERMAL
PROTECTION
gm
Q1
CC
BANDGAP
REF
DRIVER
R1
R2
ADP3303
OUT
IN
ERR
SD
GND
ADP3303-5.0
5
4
6
3
NR
OUT
IN
1
2
7
8
ERR
330
EOUT
C2
0.47µF
VOUT = +5V
ON
OFF
SD
C1
0.47µF
VIN
SD
GND
Rev. C
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
©2014 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com


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