전자부품 데이터시트 검색엔진 |
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ADP130 데이터시트(PDF) 1 Page - Analog Devices |
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ADP130 데이터시트(HTML) 1 Page - Analog Devices |
1 / 20 page 350 mA, Low VIN, Low Quiescent Current, CMOS Linear Regulator ADP130 Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other 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 www.analog.com Fax: 781.461.3113 © 2008 Analog Devices, Inc. All rights reserved. FEATURES 350 mA maximum output current Input voltage supply range VBIAS = 2.3 V to 5.5 V VIN = 1.2 V to 3.6 V 2.3 V < VIN < 3.6 V, VIN can be tied to VBIAS Very low dropout voltage: 17 mV @ 100 mA load Low quiescent current: 25 μA @ no load Low shutdown current: <1 μA ±1% accuracy @ 25°C Excellent PSRR performance: 70 dB @ 10 kHz Excellent load/line transient response Optimized for small 1 μF ceramic capacitors Current limit and thermal overload protection Logic controlled enable 5-lead TSOT package APPLICATIONS Mobile phones Digital camera and audio devices Portable and battery-powered equipment Post dc-to-dc regulation TYPICAL APPLICATION CIRCUITS ADP130 1 VIN 2 GND 3 EN 5 VOUT 4 VBIAS + VIN = 1.8V VOUT = 1.2V 1µF + 1µF VBIAS = 3.6V + 1µF Figure 1. ADP130 1 VIN 2 GND 3 EN 5 VOUT 4 VBIAS + VIN = 2.8V VOUT = 1.8V 1µF + 1µF VBIAS = 5V + 1µF Figure 2. GENERAL DESCRIPTION The ADP130 is a low quiescent current, low dropout linear regu- lator. It is designed to operate in dual-supply mode with an input voltage as low as 1.2 V to increase efficiency and provide up to 350 mA of output current. The low 17 mV dropout voltage at a 100 mA load improves efficiency and allows operation over a wider input voltage range. A dual-supply power solution typically improves conversion efficiency over a single-supply solution because the higher VBIAS supply powers the part, and the lower VIN supply delivers current to the load. The power dissipated in the device is thereby reduced. The ADP130 is optimized for stable operation with small 1 μF ceramic output capacitors. The ADP130 delivers good transient performance with minimal board area. The ADP130 is available in the following 31 fixed output voltage options: • 0.80 V to 2.00 V in 50 mV steps • 1.875 V, 2.25 V, 2.50 V, 2.775 V, 2.80 V, and 3.0 V The ADP130 has a typical internal soft start time of 200 μs. Short- circuit protection and thermal overload protection circuits prevent damage in adverse conditions. The ADP130 is available in a tiny 5-lead TSOT package for the smallest footprint solution to meet a variety of portable power applications. |
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