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ADP5140WACCZ-R7 数据表(PDF) 1 Page - Analog Devices |
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ADP5140WACCZ-R7 数据表(HTML) 1 Page - Analog Devices |
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1 / 128 page  Power Management IC for Automotive Application Data Sheet ADP5140 Rev. 0 Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother 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.Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 ©2022 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES Buck regulators BUCK1, 2.5 A maximum continuous output current range with DVS BUCK2, 2.5 A maximum continuous output current range with adjustable output voltage BUCK3, 3 A maximum continuous output current range with adjustable output voltage BUCK4, 3 A maximum continuous output current range with low noise output Boost regulator: fixed 5 V output, 400 mA output current range Seven LDO regulators with low noise output LDO1: 300 mA LDO2: 2.3 A LDO3: 1.4 A LDO4: 1.2 A LDO5: 500 mA LDO6: 50 mA LDO7: 400 mA 2.2 MHz (typical) switching frequency Synchronization input or output Out of phase between buck regulators Integrated soft start and compensation for all regulators Overcurrent and thermal protection for all power rails 2 window voltage monitors 2 window watchdogs with pulse detection One QA watchdog Wake-up input SPI for control and diagnostics RESET, FAULT, and STATUS outputs 56-terminal LGA AEC-Q100 qualified for automotive applications APPLICATIONS Advanced driver assistance (ADAS) Automotive electronics Infotainment system Industrial and instrumentation GENERAL DESCRIPTION The ADP5140 integrates four high performance, synchronous, step-down buck regulators (BUCK1 to BUCK4), one boost regulator, and seven low noise, low dropout (LDO) regulators (LDO1 to LDO7). The buck regulators support input voltages from 2.7 V to 5.5 V and provide output currents from 2.5 A to 3 A. The boost regulator provides a fixed 5 V output and provides a 400 mA load current. The seven LDOs provide a clean output voltage for the system. LDO5 provides an ultralow noise output that can be used to power noise sensitive loads. The ADP5140 runs in a fixed 2.2 MHz switching frequency (fSW) or can synchronize to an external clock from its 1.9 MHz to 2.4 MHz synchronization range, which is outside of the amplitude modulation (AM) band. The four buck regulators run at 90° out of phase to reduce the input ripple current and the input capacitor size, which lowers the system electromagnetic interference (EMI). All regulators integrate internal compensation to simplify the design. The internal soft start circuitry and power-up sequencing reduce the input inrush current. Each voltage rail is monitored internally and any fault event is reported to the system through the RESET, FAULT, and STATUS pins. Two window watchdogs (WD0 and WD1) and one question answer (QA) watchdog monitor the processor or other devices in the system to ensure that any software or hardware errors are detected. The ADP5140 integrates a serial peripheral interface (SPI) for system control and diagnostics. Additional protection includes current-limit protection, overvoltage protection, undervoltage protection, and thermal shutdown (TSD). The ADP5140 operates over a junction temperature range of −40°C to +150°C and is available in a 56-terminal, land grid array (LGA). |
类似零件编号 - ADP5140WACCZ-R7 |
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类似说明 - ADP5140WACCZ-R7 |
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