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ADP3302 Datasheet دیتاشیت PDF دانلود

دیتاشیت - Analog Devices - High Accuracy anyCAP Adjustable 200 mA Low Dropout Linear Regulator

شماره قطعه ADP3302
شرح مفصل High Accuracy anyCAP Adjustable 200 mA Low Dropout Linear Regulator
تولید کننده Analog Devices 
آرم Analog Devices 


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ADP3302 شرح
a
High Precision anyCAP™
Dual Low Dropout Linear Regulator
ADP3302
FEATURES
High Accuracy: ؎0.8%
Ultralow Dropout Voltage: 120 mV @ 100 mA Typical
Requires only CO = 0.47 F for Stability
anyCAP™ = Stable with All Types of Capacitors
Current and Thermal Limiting
Low Noise
Dropout Detector
Multiple Voltage Options
Thermally Enhanced SO-8 Package
APPLICATIONS
Cellular Telephones
Notebook and Palmtop Computers
Battery Powered Systems
Portable Instruments
High Efficiency Linear Regulators
FUNCTIONAL BLOCK DIAGRAM
(1/2 IS SHOWN)
IN
ERR
SD
Q2
Q1
THERMAL
PROTECTION
DRIVER
GND
ADP3302
CC
GM
BANDGAP
REF
OUT
R1
R2
GENERAL DESCRIPTION
The ADP3302 is a member of the ADP330X family of precision
micropower low dropout anyCAP™ regulators. The ADP3302
contains two fully independent 100 mA regulators with separate
shutdown and merged error outputs. It features 1.4% overall
output accuracy and very low, 120 mV typical, dropout voltage.
The ADP3302 has a wide input voltage range from ؉3 V to
؉12 V. It features an error flag that signals when either of the
two regulators is about to lose regulation. It has short circuit
current protection as well as thermal shutdown.
The ADP3302’s enhanced lead frame design allows for a maxi-
mum power dissipation of 630 mW @ +70°C ambient temperature
and 1.0 W at room temperature without any external heat sink.
anyCAP™ is a trademark of Analog Devices, Inc.
VIN
0.47µF
EOUT
5 IN
2
ERR
OUT1 1
8 IN
ADP3302
3 GND
OUT2 4
SD1
7
SD2
6
ON
OFF
330k
VOUT1
0.47µF
VOUT2
0.47µF
Figure 1. Application Circuit
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700 World Wide Web Site: http://www.analog.com
Fax: 617/326-8703
© Analog Devices, Inc., 1997

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