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MAX1846EUB+

Name: MAX1846EUB+
Rating: 4.7 (12 reviews)

IC REG CTRLR FLYBACK 10UMAX

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資料表 MAX1846EUB+ DataSheet
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規格

Part Status	Active
Output Type	Transistor Driver
Function	Step-Up/Step-Down
Output Configuration	Negative
Topology	Flyback
Number of Outputs	1
Output Phases	1
Voltage - Supply (Vcc/Vdd)	3V ~ 16.5V
Frequency - Switching	100kHz ~ 500kHz
Duty Cycle (Max)	96%
Synchronous Rectifier	No
Clock Sync	Yes
Control Features	Enable, Frequency Control
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package	10-uMAX/uSOP
Base Product Number	MAX1846

概述

Description

The MAX1846EUB+ is a high-efficiency, step-up (boost) DC-DC converter designed for applications requiring a compact power solution. It features a miniature package, making it suitable for portable devices, such as battery-operated gadgets and LED drivers. The device operates with an input voltage range of 2.5V to 5.5V and can deliver output voltages up to 28V, with a maximum output current of 300mA.
Key features include adjustable output voltage, low quiescent current, and integrated protection mechanisms like thermal shutdown and current limiting. The device operates at a high switching frequency, allowing the use of small external components, which helps in saving board space.
The MAX1846EUB+ is ideal for applications including handheld devices, cameras, and various consumer electronics, where size, efficiency, and reliable performance are critical. Its ease of use and high performance make it a popular choice among designers looking for boost converter solutions.

Features

The MAX1846EUB+ is a high-efficiency, step-up DC-DC converter designed for portable applications. Key features include:
1. Output Voltage: Adjustable output voltage up to 34V.
2. Input Voltage Range: Operates from 2.5V to 5.5V, making it suitable for single-cell lithium-ion batteries.
3. High Efficiency: Up to 95%, which helps in conserving battery life.
4. Current Limit: Adjustable current limit for overcurrent protection.
5. Low Quiescent Current: Minimizes battery drain during standby.
6. Compact Package: Available in a 3mm x 3mm TDFN package, ideal for space-constrained designs.
7. Frequency: Operates at a fixed frequency of 1MHz, reducing the size of external components.
8. Soft-Start Feature: Reduces inrush current during startup, enhancing reliability.
9. Thermal Shutdown and UVLO: Integrated protection features for improved device longevity.
These features make the MAX1846EUB+ suitable for applications such as handheld devices, LED drivers, and other battery-operated systems.

Package

The MAX1846EUB+ is packaged in a 10-pin µMAX (EUB) package. This compact surface-mount package is designed for space-constrained applications, offering a small footprint and efficient thermal performance.

Pinout

The MAX1846EUB+ is a 16-pin, low-dropout (LDO) regulator designed for powering digital circuits. Its key functions include providing a regulated output voltage and enabling power management features. The device features an adjustable output voltage range and comes with integrated protection features like thermal shutdown and overcurrent protection.
The pin count is 16, and the pin functions are as follows:
1. VOUT - Regulated output voltage.
2. GND - Ground reference.
3. VIN - Input voltage supply.
4. ADJ - Adjustable output voltage pin (if applicable).
5. ENABLE - Enable control for powering on/off the device.
6. NC - No connect (not internally connected).
7-16. Additional pins - Various configurations for functionality like feedback, compensation, or specific features depending on the package variant.
Refer to the datasheet for detailed pin assignments and electrical characteristics.

Manufacturer

The MAX1846EUB+ is manufactured by Analog Devices, Inc. (ADI), a prominent semiconductor company known for designing and producing a wide array of analog, mixed-signal, and digital signal processing integrated circuits (ICs). Founded in 1965, Analog Devices serves various industries, including telecommunications, automotive, industrial, and consumer electronics. The company specializes in high-performance signal processing technology, focusing on solutions that enable precise and efficient data acquisition, processing, and transmission. ADI is recognized for its innovative products and contributions to advancing technology in fields such as automation, healthcare, and portable devices.

Application

The MAX1846EUB+ is a high-efficiency, step-down voltage regulator designed for applications such as portable devices, battery-powered equipment, and consumer electronics. It is particularly suitable for systems requiring low quiescent current, like smartphones, tablets, and wearable devices, as well as industrial applications where space and power efficiency are critical.

Equivalent

The MAX1846EUB+ is a voltage regulator chip. Equivalent products include the LM317, MIC2940, and LT1085. These alternatives also serve as adjustable voltage regulators, offering similar output voltage ranges and current ratings. Always verify specific electrical characteristics and application requirements when considering substitutes.