LM3489MM/NOPB

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LM3489MM/NOPB

IC REG CTRLR BUCK 8VSSOP

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365 일 보장

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사양

Part Status Active
Output Type Transistor Driver
Function Step-Down
Output Configuration Positive
Topology Buck
Number of Outputs 1
Output Phases 1
Voltage - Supply (Vcc/Vdd) 4.5V ~ 35V
Frequency - Switching Up to 1MHz
Duty Cycle (Max) 100%
Synchronous Rectifier No
Clock Sync No
Control Features Current Limit, Enable
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package 8-VSSOP
Base Product Number LM3489
Grade Automotive
Qualification AEC-Q100

개요

Description

The LM3489MM/NOPB is a high-performance, synchronous step-down DC-DC converter designed for power management applications. It features integrated power MOSFETs and operates with a wide input voltage range of 4.5V to 60V, making it suitable for various industrial and automotive applications.
This device is capable of outputting up to 3A of continuous current and boasts high efficiency, reducing heat generation during operation. It utilizes a pulse-width modulation (PWM) control scheme, enabling it to maintain stable output voltage under varying load conditions.
The LM3489 includes several protection features such as over-voltage protection, under-voltage lockout, and thermal shutdown, enhancing the reliability of the system. Additionally, it supports adjustable output voltage via external resistors, which allows for flexibility in design.
The package type is a thermally enhanced HTSSOP-16, promoting effective heat dissipation. This makes the LM3489MM/NOPB an ideal choice for applications requiring compact size and high efficiency in power conversion.

Features

The LM3489MM/NOPB is a high-performance voltage regulator designed for power management applications. Key features include:
1. Wide Input Voltage Range: Operates from 4.5V to 60V, accommodating various power sources.
2. Adjustable Output Voltage: Output voltage can be set using external resistors, typically ranging from 1.215V to 58V.
3. High Output Current: Capable of supplying up to 1A of continuous output current.
4. Low Dropout Voltage: Features low dropout characteristics, ensuring efficient operation with minimal voltage loss.
5. Thermal Shutdown and Current Limiting: Integrated protection mechanisms to prevent damage during overload or overheating conditions.
6. Compact Package: Available in a surface-mount 8-Pin MSOP package, facilitating space-saving designs.
7. Stable Operation: Compatible with a wide range of output capacitors, including ceramic, ensuring stability across varying conditions.
8. Fast Transient Response: Designed for quick response to load changes, enhancing performance in dynamic applications.
This combination of features makes the LM3489MM/NOPB suitable for various consumer electronics, automotive, and industrial applications.

Package

The LM3489MM/NOPB is packaged in a TSSOP-16 (Thin Shrink Small Outline Package) format, which features a compact design suitable for surface mounting on PCBs.

Pinout

The LM3489MM/NOPB is a high-performance, high-voltage step-down (buck) switching regulator. It features a 16-pin MLP package.
Pin Count: 16 pins
Functions of Key Pins:
1. VIN (Pin 1): Supply voltage input.
2. SW (Pin 2): Switch node connecting to the inductor.
3. GND (Pin 3): Ground reference.
4. COMP (Pin 4): Compensation network connection for stability.
5. VFB (Pin 5): Feedback voltage input for regulation.
6. ISEN (Pin 6): Current sense input.
7. RT (Pin 7): Timing resistor connection for frequency setting.
8. SS (Pin 8): Soft-start capacitor connection.
9. EN (Pin 9): Enable pin to control the operation.
10. PGND (Pin 10): Power ground connection.
The other pins mainly include control, sensing, and compensation features to enable efficient operation of the regulator.

Manufacturer

The LM3489MM/NOPB is manufactured by Texas Instruments (TI), a leading global semiconductor company. Founded in 1930 and headquartered in Dallas, Texas, TI specializes in designing and manufacturing analog and embedded processing products. The company serves various industries, including automotive, industrial, communications, and consumer electronics, providing innovative solutions and technologies such as power management, data converters, and microcontrollers. TI is known for its focus on research and development, offering a wide range of products that enhance efficiency and performance in electronic systems.

Application

The LM3489MM/NOPB is a high-performance, synchronous step-down DC-DC converter primarily used in applications such as point-of-load (POL) power supplies, power management for FPGAs and processors, automotive power systems, and industrial automation. Its efficiency and compact design make it suitable for battery-powered devices and other applications requiring low power consumption and compact solutions.

Equivalent

The LM3489MM/NOPB is a high-speed, step-down voltage regulator. Equivalent products include:
1. LM2596 - A popular step-down regulator.
2. TPS563201 - A compact synchronous buck converter from Texas Instruments.
3. LMR24030 - A low-power synchronous buck regulator.
4. MICREL MICROCHIP MIC217/8 - Step-down regulators with similar features.
Always check the specific electrical characteristics to ensure compatibility.

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UPS는: 배송 비용은 $25-$45 (0.5kg)에서 3-7 영업일의 추정적 배달 시간을 가지고 있습니다.

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EMS는: 배송 비용은 $30-$50 (0.5kg)에서 7-15 영업일의 추정적 배달 시간을 제공합니다.

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