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MAX1771ESA+

Name: MAX1771ESA+
Rating: 4.7 (12 reviews)

IC REG CTRLR BST/BUCK-BST 8SOIC

Производитель
Мфр. Часть #MAX1771ESA+
Пакет 8-SOIC (0.154, 3.90mm Width)
Лист данных MAX1771ESA+ DataSheet
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Спецификации

Supplier	Analog Devices Inc./Maxim Integrated
Package	Tube
ProductStatus	Active
OutputType	Transistor Driver
Function	Step-Up, Step-Up/Step-Down
OutputConfiguration	Positive
Topology	Boost, Buck-Boost
NumberofOutputs	1
OutputPhases	1
Voltage-Supply(Vcc/Vdd)	3V ~ 16.5V
Frequency-Switching	300kHz
DutyCycle(Max)	92%
SynchronousRectifier	No
ClockSync	No
ControlFeatures	Enable
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	8-SOIC (0.154, 3.90mm Width)

Обзор

Description

The MAX1771ESA+ is a high-efficiency, step-up (boost) DC-DC converter designed by Maxim Integrated (now part of Analog Devices). It is specifically engineered to convert low input voltages, such as those from single-cell lithium-ion batteries, into higher output voltages.
Key features include:
- Input Voltage Range: 0.9V to 5.5V, making it suitable for low-voltage applications.
- Output Voltage: Adjustable, with a maximum output of up to 34V.
- Efficiency: High efficiency (up to 95%) minimizes power loss, making it ideal for battery-powered devices.
- Switching Frequency: Operates at a fixed frequency of 1.2 MHz, allowing for smaller external components.
- Protection Features: Includes overcurrent and thermal protection for reliable operation.
Applications include portable electronics, battery-powered devices, and energy harvesting systems. The MAX1771ESA+ is available in a 10-pin MSOP package, facilitating easy integration into various electronic designs.

Features

The MAX1771ESA+ is a high-efficiency step-up (boost) DC-DC converter designed for portable applications, featuring several key attributes:
1. Input Voltage Range: Operates from 0.9V to 5.5V, ideal for single-cell batteries.
2. Output Voltage: Adjustable output voltage up to 34V, suitable for powering various devices.
3. Efficiency: High efficiency (up to 95%) minimizes heat generation and extends battery life.
4. Switching Frequency: Fixed frequency operation at 1MHz, allowing for smaller external components.
5. Current Limit: Built-in current limiting to protect from overcurrent conditions.
6. Shutdown Mode: Low quiescent current in shutdown mode improves battery performance.
7. Package Type: Available in a 10-pin MSOP package, saving board space.
8. Applications: Ideal for portable devices, LCD displays, and LED driving.
These features make the MAX1771ESA+ a versatile choice for engineers designing energy-efficient, compact power supply solutions.

Package

The MAX1771ESA+ comes in an 8-pin SOIC (Small Outline Integrated Circuit) package type. It is designed for surface-mount applications, providing a compact solution for voltage regulation and power management.

Pinout

The MAX1771ESA+ is a step-up (boost) DC-DC converter with a pin count of 8. Its primary functions include:
1. VIN (Pin 1): Input voltage supply.
2. GND (Pin 2): Ground reference.
3. SW (Pin 3): Switch node, connects to the inductor.
4. VOUT (Pin 4): Output voltage.
5. COMP (Pin 5): Compensation pin for stability.
6. FB (Pin 6): Feedback pin for output voltage regulation.
7. ISEN (Pin 7): Current-sense pin for current limiting.
8. EN (Pin 8): Enable pin to turn the device on/off.
The MAX1771ESA+ is designed for applications requiring a compact, efficient boost converter, suitable for powering portable devices from low-voltage power sources such as lithium batteries.

Manufacturer

The MAX1771ESA+ is manufactured by Analog Devices, Inc., which is a leading global company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices serves a broad range of industries, including automotive, healthcare, communications, and industrial automation. The company focuses on creating innovative solutions that enhance the performance and efficiency of electronic systems, making it a key player in the semiconductor industry.

Application

The MAX1771ESA+ is a high-efficiency, step-up (boost) DC-DC converter used in various applications, including battery-powered devices, portable electronics, and LED drivers. It is suitable for powering RF transmitters, microcontrollers, and sensor applications where compact size and high efficiency are critical. Additionally, it can be utilized in automotive and industrial systems for voltage regulation and energy harvesting.

Equivalent

Equivalent products to the MAX1771ESA+ include the TPS61030 from Texas Instruments, LTC6100 from Analog Devices, and the MIC2250 from Microchip (formerly Micrel). These alternatives share similar features such as high-efficiency step-up DC-DC conversion suitable for battery-powered applications. Always verify specifications and performance for specific use cases.

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компании FedEx: Стоимость доставки варьируется от 25 до 40 долларов США (0,5 кг), при этом предполагаемое время доставки составляет 3-7 рабочих дней.

УПС: Стоимость доставки варьируется от 25 до 45 долларов США (0,5 кг), при этом предполагаемое время доставки составляет 3-7 рабочих дней.

ТНТ: Стоимость доставки варьируется от 25 до 65 долларов США (0,5 кг), при этом предполагаемое время доставки составляет 3-7 рабочих дней.

ЭМС: Стоимость доставки варьируется от $30-$50 (0,5 кг), с предполагаемым сроком доставки 7-15 рабочих дней.

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