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Datasheet ADP1710, ADP1711 (Analog Devices)

ПроизводительAnalog Devices
Описание150 mA, Low Dropout, CMOS Linear Regulator
Страниц / Страница16 / 1 — 150 mA, Low Dropout,. CMOS Linear Regulator. ADP1710/ADP1711. FEATURES. …
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Язык документаанглийский

150 mA, Low Dropout,. CMOS Linear Regulator. ADP1710/ADP1711. FEATURES. TYPICAL APPLICATION CIRCUITS

Datasheet ADP1710, ADP1711 Analog Devices

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150 mA, Low Dropout, CMOS Linear Regulator ADP1710/ADP1711 FEATURES TYPICAL APPLICATION CIRCUITS Maximum output current: 150 mA ADP1710 Input voltage range: 2.5 V to 5.5 V VIN = 5V VOUT = 3.3V 1 IN OUT 5 Light load efficient 1µF 1µF IGND = 35 μA with zero load 2 GND IGND = 40 μA with 100 μA load Low shutdown current: <1 μA 3 EN NC 4
01 0
Low dropout voltage: 150 mV @ 150 mA load
0-
NC = NO CONNECT
31 06
Initial accuracy: ±1%
Figure 1. ADP1710 with Fixed Output Voltage, 3.3 V
Accuracy over line, load, and temperature: ±2% Stable with small 1μF ceramic output capacitor ADP1710 ADJUSTABLE 16 fixed output voltage options: 0.75 V to 3.3 V (ADP1710) VIN = 5.5V VOUT = 0.8V(1 + R1/R2) Adjustable output voltage option: 0.8 V to 5.0 V 1 IN OUT 5 (ADP1710 Adjustable) 1µF 1µF 2 GND 16 fixed output voltage options with reference bypass: R1 0.75 V to 3.3 V (ADP1711) 3 EN ADJ 4 High PSRR: 69 dB @ 1 kHz R2
02 0
Low noise: 40 μV
0-
RMS
31 06
Excellent load/line transient response
Figure 2. ADP1710 with Adjustable Output Voltage, 0.8 V to 5.0 V
Current limit and thermal overload protection Logic controlled enable 5-lead TSOT package ADP1711 VIN = 5V VOUT = 3.3V APPLICATIONS 1 IN OUT 5 1µF Mobile phones 2 GND 1µF Digital camera and audio devices 10nF
3
Portable and battery-powered equipment 3 EN BYP 4
00 0-
Post dc-dc regulation
631 0 Figure 3. ADP1711 with Fixed Output Voltage and Bypass Capacitor, 3.3 V
GENERAL DESCRIPTION
The ADP1710/ADP1711 are low dropout linear regulators The ADP1710/ADP1711 are optimized for stable operation with that operate from 2.5 V to 5.5 V and provide up to 150 mA of small 1 μF ceramic output capacitors, allowing for good transient output current. Utilizing a novel scaling architecture, ground performance while occupying minimal board space. An enable current drawn is a very low 40 μA, when driving a 100 μA pin controls the output voltage on both devices. There is also an load, making the ADP1710/ADP1711 ideal for battery- under-voltage lockout circuit on both devices, which disables the operated portable equipment. regulator if IN drops below a minimum threshold. The ADP1710 and the ADP1711 are each available in sixteen An internal soft start gives a typical start-up time of 80 μs. fixed output voltage options. The ADP1710 is also available in Short-circuit protection and thermal overload protection an adjustable version, which allows output voltages that range circuits prevent damage to the devices in adverse conditions. from 0.8 V to 5 V via an external divider. The ADP1711 allows Both the ADP1710 and the ADP1711 are available in tiny for a reference bypass capacitor to be connected, which reduces 5­lead TSOT packages, for the smallest footprint solution to all output voltage noise and improves power supply rejection. your power needs.
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 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Tel: 781.329.4700 www.analog.com Trademarks and registered trademarks are the property of their respective owners. Fax: 781.461.3113 ©2006 Analog Devices, Inc. All rights reserved.
Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUITS GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ADJUSTABLE OUTPUT VOLTAGE (ADP1710 ADJUSTABLE) BYPASS CAPACITOR (ADP1711) ENABLE FEATURE UNDERVOLTAGE LOCKOUT (UVLO) APPLICATION INFORMATION CAPACITOR SELECTION CURRENT LIMIT AND THERMAL OVERLOAD PROTECTION THERMAL CONSIDERATIONS PRINTED CIRCUIT BOARD LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE
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