MAX77681EVKIT#

Click here for production status of specific part numbers. MAX77680/MAX77681 Evaluation Kit Evaluates: MAX77680/MAX77681 General Description Benefits and Features Windows®-based software provides a user-friendly graphical interface as well as a detailed register-based interface to exercise the features of the MAX77680/MAX77681. ●● Emulates System Loading • On-Board Electronic Load for SIM...
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Технические характеристики

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Тип отладочного средства
Применение Для оценки характеристик DC-DC преобразователей MAX77681
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EVALUATION KIT AVAILABLE Click here for production status of specific part numbers. MAX77680/MAX77681 3-Output SIMO Buck-Boost Regulator with Power Sequencer and 3μA IQ General Description Benefits and Features The MAX77680/MAX77681 is a 3-channel single-inductor multiple-output (SIMO) buck-boost regulator that regulates three independent rails using only 3μA of quiescent current (IQ). The SIMO improves battery life by replacing inefficient LDOs while being competitive in efficiency to traditional single-output bucks. ● Single-Inductor, Multiple-Output (SIMO) Extends Battery Life • 300nA Shutdown Current • 3.0μA Operating Quiescent Current (3 SIMO Channels On) • Improves Overall System Efficiency while Reducing Size • Maintains Regulation without Dropout unlike Traditional Bucks • Glitchless Buck-Boost Operation The SIMO operates on a input supply between 2.7V and 5.5V. The outputs are independently programmable between 0.8V and 5.25V depending on ordering option. Each output is a buck-boost with glitchless transition between buck and boost operation. The SIMO can support >300mA loads (1.8VOUT, 3.7VIN). The device integrates a flexible power sequencer (FPS) to control power-up/down order of each output. The default output voltages and sequence can be programmed at the factory. An I2C serial interface is used to further configure the device. The MAX77680/MAX77681 is available in a 30-bump wafer-level package (WLP). Total solution size is only 15.5mm2. For a similar product with an LDO and battery charger, refer to the MAX77650 data sheet. Applications ● ● ● ● Hearables: Bluetooth Headphones and Earbuds Wearables: Fitness, Health, and Activity Monitors Action Cameras, Wearable/Body Cameras Low-Power Internet of Things (IoT) Gadgets ● Compact, High-Efficiency Power Solution • Three Independent Channels from SIMO Regulator • 2.7V to 5.5V Input Voltage Range from Single Cell Li-Ion • 0.8V to 5.25V Output Voltage Range (Table 1) • Flexible Power Sequencing • On-Key Input for Hardware Enable • Reset Output ● Small Size • 2.75mm x 2.15mm (0.7mm max height) WLP • 30-Bump, 0.4mm Pitch, 6 x 5 Array • 15.2mm2 Total Solution Size Ordering Information appears at end of data sheet. Simplified Application Circuit 2.7V TO 5.5V DC INPUT VSYS MAX77680 IN_SBB SYS 15.2mm2 SOLUTION SIZE 1.5µH LXA LXB 4.15mm BST SBB1 1.2V SBB0 1.8V SDA SCL nRST nIRQ PWR_HLD PROCESSOR 3-OUTPUT SINGLE-INDUCTOR, MULTIPLE-OUTPUT (SIMO) BUCK-BOOST REGULATOR 19-100374; Rev 0; 7/18 CSYS L 3.18mm2 SDA SCL nRST nIRQ PWR_HLD CSBB2 1.3mm2 VIO/POWER VIO CSBB1 SYSTEM RESOURCES PGND nEN ON-KEY 3.3V CBST VSYS CSBB0 SBB2 4.75mm GND ● 0.2mm COMPONENT PITCH ● PULLUP RESISTORS NOT DRAWN PDF
Документация на серию MAX77680 

Дата модификации: 01.01.1970

Размер: 1.88 Мб

41 стр.

    Публикации 1

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    26 февраля 2020
    статья

    Борцы SIMO: особенности применения SIMO-преобразователей Maxim

    Александр Русу (г.Одесса) Построенные с использованием технологий SIMO и nanoPower импульсные преобразователи напряжения Maxim Integrated – это высокие значения КПД и удельной мощности плюс ультрамалый ток собственного потребления. В линейке... ...читать

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