MP9447GL-Z

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MP9447GL-Z

IC REG BUCK ADJUSTABLE 5A 20QFN

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  • Fr. Teil #MP9447GL-Z
  • Paket QFN20
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Spezifikationen

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 4.5V
Voltage-Input(Max) 36V
Voltage-Output(Min/Fixed) 0.8V
Voltage-Output(Max) 32.4V
Current-Output 5A
Frequency-Switching 200kHz ~ 650kHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 20-VFQFN Exposed Pad

Übersicht

Description

The MP9447GL-Z is a high-performance, synchronous step-down switching regulator designed for efficient power management in electronic devices. It features an input voltage range typically from 4.5V to 36V, making it versatile for various applications, including consumer electronics and industrial systems. The device delivers up to 3A of continuous output current, ensuring robust performance for demanding loads.
Key features of the MP9447GL-Z include high efficiency due to its synchronous rectification and low RDS(ON) power MOSFETs. It also offers a fast transient response, achieved through its constant-on-time (COT) control mode, which minimizes output voltage deviations during load changes. Additionally, the regulator incorporates comprehensive protection mechanisms such as over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown, ensuring reliable operation under various conditions.
The MP9447GL-Z is housed in a compact, thermally enhanced package, facilitating space-saving designs. Its ease of use, high efficiency, and robust protection features make it a preferred choice for designers seeking efficient power conversion solutions in compact form factors.

Features

The MP9447GL-Z is a high-frequency, synchronous, step-down, switching regulator designed to offer efficient power conversion. Key features of the MP9447GL-Z include:
1. Wide Input Voltage Range: It supports an input voltage range from 4.5V to 36V, making it suitable for various applications.
2. Output Voltage: The regulator provides an adjustable output voltage down to as low as 0.8V.
3. High Efficiency: Achieves high efficiency through its synchronous rectification design and low RDS(on) MOSFETs.
4. Switching Frequency: Operates at a high switching frequency of 500kHz, which helps reduce the size of external components.
5. Current Capability: It can deliver up to 4A of continuous output current, suitable for powering a variety of loads.
6. Protection Features: Includes over-current protection, thermal shutdown, and under-voltage lockout for enhanced reliability.
7. Compact Package: Available in a compact, thermally-enhanced package for space-constrained applications.
8. Soft Start: Features soft-start capabilities to prevent inrush current during startup.
These features make the MP9447GL-Z ideal for use in consumer electronics, industrial applications, and telecommunications equipment where efficient and reliable power regulation is required.

Package

The MP9447GL-Z is typically available in a QFN (Quad Flat No-leads) package. This package type is known for its compact size, excellent thermal performance, and efficient heat dissipation, making it suitable for high-density electronic applications.

Pinout

The MP9447GL-Z is a step-down (buck) converter IC designed for power management applications. It typically has a pin count of 10. The main functions of the pins include:
1. Input Voltage (VIN): Supplies the input voltage to the converter.
2. Switch Node (SW): Connects to the inductor and is the point where the switching action occurs.
3. Ground (GND): Provides the ground reference for the device.
4. Feedback (FB): Used to regulate the output voltage by connecting it to the output through a resistor divider.
5. Enable (EN): Allows the converter to be enabled or disabled; a high signal typically enables the device.
6. Bootstrap (BST): Provides a bootstrapped voltage for driving the high-side MOSFET.
7. Compensation (COMP): Used for loop compensation to stabilize the control loop.
8. Power Good (PG): Indicates whether the output voltage is within regulation.
9. Soft Start (SS): Controls the ramp-up time of the output voltage at startup.
10. Current Sense (CS): Monitors the output current for overcurrent protection.
These functions are typical of a buck converter designed for efficient voltage regulation in electronic circuits. Always refer to the manufacturer's datasheet for exact specifications and pin descriptions.

Manufacturer

The MP9447GL-Z is manufactured by Monolithic Power Systems, Inc. (MPS). MPS is a semiconductor company that designs, develops, and markets integrated power solutions. The company focuses on providing high-performance power management solutions integrated on a single chip, which are used in a variety of electronic applications, including consumer electronics, telecommunications, automotive, and industrial sectors. MPS is known for its innovative approach to power management and its ability to deliver efficient and compact solutions for complex electronic systems.

Application

The MP9447GL-Z is a DC-DC buck converter typically used in power management applications. Its application areas include consumer electronics, telecommunications, industrial systems, and automotive electronics. It is used in devices requiring efficient voltage regulation, such as smartphones, tablets, laptops, routers, and embedded systems. The converter is designed to step down voltage from a higher input to a stable, lower output, making it suitable for powering microprocessors, memory modules, and other digital circuits.

Equivalent

The MP9447GL-Z is a step-down converter IC from Monolithic Power Systems. Equivalent products may include step-down converters with similar specifications from other manufacturers, such as the LM2675 from Texas Instruments or the LMR33620 from Texas Instruments. When selecting an equivalent, ensure that parameters like input voltage range, output current, switching frequency, and package type match your requirements. Always consult the datasheets for detailed specifications and compatibility.

Versand

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Versandgebührenreferenz (DHL/FedEx):

DHL: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 2-5 Werktagen.

von FedEx: Versandkosten reichen von $25-$40 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

UPS: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

TNT: Versandkosten reichen von $25-$65 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

EMS: Versandkosten reichen von $30-$50 (0.5kg), mit einer geschätzten Lieferzeit von 7-15 Werktagen.

Registrierte Luftpost: Versandkosten sind $ 2- $ 4 (0,1 kg), mit einer geschätzten Lieferzeit von 5-20 Werktagen.

Zahlungen

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