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ADP3302

Part Number	ADP3302
Manufacturer	Analog Devices
Description	High Accuracy anyCAP Adjustable 200 mA Low Dropout Linear Regulator
Published	Mar 23, 2005
Detailed Description	a FEATURES High Accuracy: ؎0.8% Ultralow Dropout Voltage: 120 mV @ 100 mA Typical Requires only CO = 0.47 ␮ F for Stabil...
Datasheet	ADP3302 PDF File

Overview

a 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 High Precision anyCAP™ Dual Low Dropout Linear Regulator ADP3302 FUNCTIONAL BLOCK DIAGRAM (1/2 IS SHOWN) ADP3302 OUT CC R1 IN THERMAL PROTECTION Q2 SD BANDGAP REF GND DRIVER Q1 ERR GM R2 EOUT 2 GENERAL DESCRIPTION 330kΩ VOUT1 0.
47µF 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 maximum 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 ERR 5 8 IN IN OUT1 1 ADP3302 3 GND OUT2 4 SD2 6 VOUT2 0.
47µF SD1 7 ON OFF 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 Wo...

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