MP4559DN-LF-Z

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MP4559DN-LF-Z

IC REG BUCK ADJ 1.5A 8SOIC

  • 제조업체Monolithic Power Systems Inc.
  • Mfr.부분 #MP4559DN-LF-Z
  • 패키지
  • 데이터시트
  • 재고 있음5495

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배송 준비 24 시간

365 일 보장

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사양

Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 3.8V
Voltage - Input (Max) 55V
Voltage - Output (Min/Fixed) 0.8V
Voltage - Output (Max) 52V
Current - Output 1.5A
Frequency - Switching Up to 2MHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) Exposed Pad
Supplier Device Package 8-SOIC-EP
Base Product Number MP4559

개요

Description

The MP4559DN-LF-Z is a high-performance, step-down (buck) voltage regulator from Monolithic Power Systems (MPS). It is designed to convert higher input voltages into lower output voltages with high efficiency, making it suitable for a variety of applications, including consumer electronics, industrial equipment, and battery-powered devices.
Key features of the MP4559DN include a wide input voltage range, typically from 4.5V to 60V, and the ability to deliver high output current with minimal thermal dissipation. It employs a current-mode control architecture, which enhances stability and transient response. The device also includes built-in protection features such as overcurrent protection, thermal shutdown, and under-voltage lockout.
The MP4559DN-LF-Z is available in a compact package, facilitating easy integration into space-constrained designs. Its combination of efficiency, ease of use, and robust performance makes it a popular choice for engineers looking to implement reliable power management solutions in their projects.

Features

The MP4559DN-LF-Z is a high-efficiency buck converter designed for step-down voltage regulation. Key features include:
1. Wide Input Voltage Range: Operates from 4.5V to 30V, making it suitable for various applications.
2. Output Current: Delivers up to 3A of output current, supporting medium to high-load applications.
3. Adjustable Output Voltage: The output voltage can be set from 0.8V to the input voltage, allowing flexibility for different circuits.
4. High Efficiency: Offers efficiencies up to 95%, reducing heat generation and improving energy usage.
5. Built-in Protection Features: Includes over-current protection, thermal shutdown, and under-voltage lockout for reliable operation.
6. Frequency: Operates at a fixed switching frequency of 300kHz, simplifying the design of external components.
7. Compact Package: Available in a thermally enhanced SOP-8 package, suitable for space-constrained applications.
These features make the MP4559DN-LF-Z ideal for power supply designs in consumer electronics, LED drivers, and other low-voltage applications.

Package

The MP4559DN-LF-Z is available in a 16-pin TSSOP (Thin Shrink Small Outline Package) package type.

Pinout

The MP4559DN-LF-Z is a high-efficiency step-down (buck) switching regulator with a pin count of 16. It is designed to provide a constant output voltage with a wide input voltage range. The key functions of its pins include:
1. VIN: Input voltage.
2. GND: Ground reference.
3. SW: Switch node for connecting to the inductor.
4. VOUT: Output voltage.
5. COMP: Compensation network connection for stability.
6. CSN/ CSP: Current sense connections for overcurrent protection.
7. EN: Enable pin to turn the device on/off.
8. FB: Feedback pin for voltage regulation.
9. SS: Soft-start pin to control start-up time.
10. PG: Power good indicator.
11. SYNC: Synchronization pin for external clocking.
12. MODE: Mode selection pin for different operation modes.
13. LIM: Frequency limit setting.
14. NC: No connect pins (not used).
15. R1/R2: Resistor connections for setting output voltage.
This configuration allows for versatile usage in various applications requiring efficient power management.

Manufacturer

The MP4559DN-LF-Z is manufactured by Monolithic Power Systems, Inc. (MPS). MPS is a leading company that specializes in high-performance analog and mixed-signal semiconductor solutions. They primarily focus on power management, LED drivers, battery management, and other related technologies for various applications, including consumer electronics, industrial equipment, and automotive systems. MPS is known for its innovation in power efficiency and compact design, catering to a wide range of markets with their advanced integrated circuits.

Application

The MP4559DN-LF-Z is a high-performance DC-DC buck converter used in various applications, including mobile devices, industrial power supplies, and battery management systems. It is suitable for low-power electronics, providing efficient voltage regulation for consumer electronics, automotive systems, and LED drivers. Its compact design and ability to handle high output current make it ideal for space-constrained applications.

Equivalent

The MP4559DN-LF-Z is a high-frequency, step-down DC-DC converter. Equivalent products include the LM2596, LM2675, and TPS563201. For similar performance in switching regulators, consider the LT1764, ADP2302, or the MICR042. Always check specifications for voltage, current ratings, and features to ensure compatibility.

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DHL은: 배송 비용은 $25-$45 (0.5kg)에서 2-5 영업일의 추정적 배달 시간이 있습니다.

FedEx는: 배송 비용은 $25-$40 (0.5kg)에서 3-7 영업일의 추정적 배달 시간을 가지고 있습니다.

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

TNT는: 배송 비용은 $25-$65 (0.5kg)에서 3-7 영업일의 추정적 배달 시간을 가지고 있습니다.

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

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