MP4581GN-Z

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MP4581GN-Z

IC REG BUCK ADJ 800MA 8SOIC

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  • Mfr. Partie #MP4581GN-Z
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  • En stock22052

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Spécifications

Series MP
Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 8V
Voltage - Input (Max) 100V
Voltage - Output (Min/Fixed) 1V
Voltage - Output (Max) 30V
Current - Output 800mA
Frequency - Switching 100kHz ~ 1MHz
Synchronous Rectifier Yes
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 MP4581

Vue d'ensemble

Description

The MP4581GN-Z is a high-performance, step-down (buck) voltage regulator designed for efficient power management in various applications, including consumer electronics, automotive systems, and industrial devices. It operates over a wide input voltage range, typically from 4.5V to 60V, making it suitable for diverse power sources.
This device features a compact package and integrates advanced control circuitry, which allows for high efficiency and low output ripple, ensuring stable voltage regulation. The MP4581GN-Z can deliver substantial output current, often up to 3A, with minimal external components required, simplifying design and reducing board space.
Key features include adjustable output voltage, built-in soft-start to prevent inrush current, and thermal shutdown for protection against overheating. The device also supports various modes of operation, including pulse-width modulation (PWM) and pulse-frequency modulation (PFM), enhancing flexibility in different load conditions.
Overall, the MP4581GN-Z is an ideal choice for designers seeking a reliable, efficient solution for DC-DC conversion in compact and demanding applications.

Features

The MP4581GN-Z is a high-efficiency, step-down (buck) voltage regulator. Key features include:
1. Input Voltage Range: Supports a wide input range from 4.5V to 24V, making it versatile for various applications.
2. Output Voltage: Adjustable output voltage capability, typically down to 0.8V, allowing for flexibility in output requirements.
3. High Efficiency: Achieves up to 95% efficiency, minimizing heat generation and maximizing battery life in portable devices.
4. Output Current: Capable of delivering up to 3A output current, suitable for demanding loads.
5. Fixed Frequency: Operates at a fixed frequency (1.2MHz), which helps reduce component size and allows for smaller inductors and capacitors.
6. Protection Features: Includes built-in protections such as overcurrent protection (OCP), thermal shutdown (TSD), and under-voltage lockout (UVLO) for enhanced reliability.
7. Compensation: Features internal compensation for simplified design and stability.
These features make the MP4581GN-Z ideal for applications in consumer electronics, industrial equipment, and automotive systems.

Package

The MP4581GN-Z is available in a 5x5mm QFN (Quad Flat No-lead) package type.

Pinout

The MP4581GN-Z is a step-down (buck) voltage regulator in a 10-pin MSOP package. It features the following pin configuration and functions:
1. SW: Switch node connection
2. GND: Ground
3. BST: Bootstrap capacitor connection for high-side gate drive
4. VIN: Input voltage supply
5. COMP: Compensation network connection
6. FB: Feedback voltage input
7. EN: Enable pin; active high
8. SS: Soft-start time setting
9. PG: Power good output
10. NC: No connection (not internally bonded)
The MP4581GN-Z operates over a wide input voltage range and provides adjustable output voltage, making it suitable for various applications, including consumer electronics and battery-powered devices.

Manufacturer

The MP4581GN-Z is manufactured by Monolithic Power Systems, Inc. (MPS). MPS is a publicly traded company that specializes in high-performance analog and mixed-signal semiconductors. Founded in 1997 and headquartered in San Jose, California, MPS focuses on providing innovative power management solutions for a wide range of applications, including automotive, industrial, consumer electronics, and telecommunications. The company is known for its expertise in power management ICs (integrated circuits), and it emphasizes energy efficiency, compact design, and high performance in its product offerings.

Application

The MP4581GN-Z is a high-efficiency synchronous step-down (buck) regulator suitable for various applications, including powering consumer electronics, industrial equipment, and automotive systems. It is commonly used in battery-operated devices, LED drivers, and power management systems, delivering regulated output voltages with optimal performance for compact designs. Its features make it ideal for applications needing low quiescent current and thermal efficiency.

Equivalent

The MP4581GN-Z is a step-down (buck) DC-DC converter. Equivalent products include the LM2596 from Texas Instruments, the LM2576 from National Semiconductor, and the TPS563201 from Texas Instruments. Other alternatives might include the RT8205 from Richtek and the LM3671 from Texas Instruments. Always verify specifications to ensure compatibility with your application.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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