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ADP7182ACPZ-R7 数据表(PDF) 1 Page - Analog Devices |
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ADP7182ACPZ-R7 数据表(HTML) 1 Page - Analog Devices |
1 / 31 page –28 V, −200 mA, Low Noise, Linear Regulator Data Sheet ADP7182 Rev. I Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother 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 ©2013–2016 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES Low noise: 18 µV rms Power supply rejection ratio (PSRR): 66 dB at 10 kHz atVOUT = −3V Positive or negative enable logic Stable with small 2.2 µF ceramic output capacitor Input voltage range: −2.7 V to −28 V Maximum output current: −200 mA Low dropout voltage: −185 mV at −200 mA load Initial accuracy: ±1% Accuracy over line, load, and temperature +2% maximum/−3% minimum Low quiescent current, IGND = −650 µA with −200 mA load Low shutdown current: −2 µA Adjustable output from −1.22 V to −VIN + VDO Current-limit and thermal overload protection 6- and 8-lead LFCSP and 5-lead TSOT Supported by ADIsimPower tool APPLICATIONS Regulation to noise sensitive applications Analog-to-digital converter (ADC) and digital-to-analog converter (DAC) circuits, precision amplifiers Communications and infrastructure Medical and healthcare Industrial and instrumentation TYPICAL APPLICATION CIRCUITS GND EN NC VIN VOUT ADP7182 ON ON –2V OFF 0V 2V VIN = –8V VOUT = –5V COUT 2.2µF CIN 2.2µF Figure 1. ADP7182 with Fixed Output Voltage, VOUT = −5 V 13kΩ 40.2kΩ GND EN ADJ VIN VOUT ADP7182 ON ON –2V OFF 0V 2V VIN = –8V VOUT = –5V COUT 2.2µF CIN 2.2µF Figure 2. ADP7182 with Adjustable Output Voltage, VOUT = −5 V GENERAL DESCRIPTION The ADP7182 is a CMOS, low dropout (LDO) linear regulator that operates from −2.7 V to −28 V and provides up to −200 mA of output current. This high input voltage LDO is ideal for regulation of high performance analog and mixed signal circuits operating from −27 V down to −1.2 V rails. Using an advanced proprietary architecture, it provides high power supply rejection and low noise, and achieves excellent line and load transient response with a small 2.2 µF ceramic output capacitor. The ADP7182 is available in fixed output voltage and an adjustable version that allows the output voltage to range from −1.22 V to −VIN + VDO via an external feedback divider. The following fixed output voltages are available from stock: −5 V (3 mm × 3 mm LFCSP), −1.8 V, −2.5 V, −3 V, −5 V (TSOT), −1.2 V, −1.5 V, −2.5 V, −5 V (2 mm × 2 mm LFCSP). Additional voltages are available by special order. The ADP7182 regulator output noise is 18 µV rms independent of the output voltage. The enable logic is capable of interfacing with positive or negative logic levels for maximum flexibility. The ADP7182 is available in 5-lead TSOT, 6- and 8-lead LFCSP packages for a small, low profile footprint. |
类似零件编号 - ADP7182ACPZ-R7 |
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类似说明 - ADP7182ACPZ-R7 |
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