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ADP3336 Datasheet دیتاشیت PDF دانلود

دیتاشیت - Analog Devices - High Accuracy Ultralow IQ/ 500 mA anyCAP Adjustable Low Dropout Regulator

شماره قطعه ADP3336
شرح مفصل High Accuracy Ultralow IQ/ 500 mA anyCAP Adjustable Low Dropout Regulator
تولید کننده Analog Devices 
آرم Analog Devices 


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ADP3336 شرح
a High Accuracy Ultralow IQ, 500 mA
anyCAP® Adjustable Low Dropout Regulator
ADP3336
FEATURES
High Accuracy Over Line and Load: ؎0.9% @ 25؇C,
؎1.8% Over Temperature
Ultralow Dropout Voltage: 200 mV (Typ) @ 500 mA
Requires Only CO = 1.0 F for Stability
anyCAP = Stable with Any Type of Capacitor
(Including MLCC)
Current and Thermal Limiting
Low Noise
Low Shutdown Current: < 1.0 A
2.6 V to 12 V Supply Range
1.5 V to 10 V Output Range
–40؇C to +85؇C Ambient Temperature Range
Ultrasmall Thermally-Enhanced 8-Lead MSOP Package
APPLICATIONS
PCMCIA Card
Cellular Phones
Camcorders, Cameras
Networking Systems, DSL/Cable Modems
Cable Set-Top Box
MP3/CD Players
DSP Supply
GENERAL DESCRIPTION
The ADP3336 is a member of the ADP333x family of precision
low dropout anyCAP voltage regulators. The ADP3336 operates
with an input voltage range of 2.6 V to 12 V and delivers a
continuous load current up to 500 mA. The ADP3336 stands
out from conventional LDOs with the lowest thermal resistance
of any MSOP-8 package and an enhanced process that enables
it to offer performance advantages beyond its competition.
Its patented design requires only a 1.0 µF output capacitor for
stability. This device is insensitive to output capacitor Equiva-
lent Series Resistance (ESR), and is stable with any good
quality capacitor, including ceramic (MLCC) types for space-
restricted applications. The ADP3336 achieves exceptional
accuracy of ± 0.9% at room temperature and ± 1.8% over tem-
perature, line, and load. The dropout voltage of the ADP3336 is
only 200 mV (typical) at 500 mA. This device also includes a
safety current limit, thermal overload protection and a shutdown
feature. In shutdown mode, the ground current is reduced to
less than 1 µA. The ADP3336 has ultralow quiescent current
80 µA (typical) in light load situations.
FUNCTIONAL BLOCK DIAGRAM
IN Q1
OUT
THERMAL
PROTECTION
CC
DRIVER
ADP3336
gm
FB
SD BANDGAP
REF
GND
ADP3336
OUT
VIN
CIN
1F
OUT
I N OUT
IN
FB
SD GND
ON
OFF
VOUT
R1 COUT
1F
R2
Figure 1. Typical Application Circuit
anyCAP is a registered trademark of Analog Devices Inc.
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: 781/329-4700 World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2000

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