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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsNB638DL-LF-Z
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NB638DL-LF-Z - Monolithic Power Systems Inc.

Manufacturer Part Number
NB638DL-LF-Z
Manufacturer
Monolithic Power Systems
Allelco Part Number
32D-NB638DL-LF-Z
ECAD Model
Parts Description
IC REG BUCK ADJUSTABLE 7A 20QFN
Detailed Description
Package
20-VFQFN Exposed Pad
Data sheet
NB638DL-LF-Z.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 10960

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Specifications

NB638DL-LF-Z Tech Specifications
Monolithic Power Systems Inc. - NB638DL-LF-Z technical specifications, attributes, parameters and parts with similar specifications to Monolithic Power Systems Inc. - NB638DL-LF-Z

Product Attribute Attribute Value  
Manufacturer Monolithic Power Systems  
Voltage - Output (Min/Fixed) 0.8V  
Voltage - Output (Max) 13V  
Voltage - Input (Min) 4.5V  
Voltage - Input (Max) 28V  
Topology Buck  
Synchronous Rectifier Yes  
Supplier Device Package 20-QFN (3x4)  
Series -  
Package / Case 20-VFQFN Exposed Pad  
Product Attribute Attribute Value  
Package Cut Tape (CT)  
Output Type Adjustable  
Output Configuration Positive  
Operating Temperature -40°C ~ 125°C (TJ)  
Number of Outputs 1  
Mounting Type Surface Mount  
Function Step-Down  
Frequency - Switching 200kHz ~ 1MHz  
Current - Output 7A  
Base Product Number NB638  

Parts Introduction

Manufacturer Part Number

NB638DL-LF-Z

Manufacturer

Monolithic Power Systems

Introduction

The NB638DL-LF-Z is a high-performance, step-down DC-DC switching regulator from Monolithic Power Systems. It is designed to provide a regulated and adjustable output voltage from a wide input voltage range, making it suitable for a variety of power supply applications.

Product Features and Performance

Step-down DC-DC converter with adjustable output voltage from 0.8V to 13V

Supports output current up to 7A

Switching frequency range of 200kHz to 1MHz

Integrated synchronous rectifier for high efficiency

Wide input voltage range of 4.5V to 28V

Thermal shutdown, overcurrent, and overvoltage protection

-40°C to 125°C operating temperature range

Product Advantages

High efficiency and power density

Flexible input and output voltage ranges

Comprehensive protection features

Compact 20-VFQFN package

Key Reasons to Choose This Product

Excellent performance and reliability for power supply applications

Versatile design suitable for a wide range of industries and use cases

Cost-effective solution with a compact and thermally-efficient package

Backed by Monolithic Power Systems' renowned quality and technical support

Quality and Safety Features

Robust overcurrent, overvoltage, and thermal protection

Designed and manufactured to meet industry standards for quality and reliability

Compatibility

Suitable for a variety of power supply applications, including industrial, automotive, and consumer electronics

Application Areas

Ideal for powering microprocessors, FPGAs, DSPs, and other electronic systems

Suitable for use in industrial equipment, communication devices, and other power-sensitive applications

Product Lifecycle

["The NB638DL-LF-Z has been discontinued at our website's sales team.","Customers should contact our website's sales team for information on available alternative or equivalent products."]

Parts with Similar Specifications

The three parts on the right have similar specifications to Monolithic Power Systems Inc. NB638DL-LF-Z

Product Attribute NB638DL-LF-Z NB650AGL-P NB649EQJ-LF-Z NB638DL-LF-P
Part Number NB638DL-LF-Z NB650AGL-P NB649EQJ-LF-Z NB638DL-LF-P
Manufacturer Monolithic Power Systems Inc. Monolithic Power Systems Inc. Monolithic Power Systems Inc. Monolithic Power Systems Inc.
Voltage - Input (Min) 4.5V 4.5V 4.5V 4.5V
Series - - - -
Output Type Adjustable Adjustable Adjustable Adjustable
Supplier Device Package 20-QFN (3x4) 17-QFN (3x4) 30-QFN (5x6) 20-QFN (3x4)
Synchronous Rectifier Yes Yes Yes Yes
Base Product Number NB638 NB650 - -
Package Cut Tape (CT) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Function Step-Down Step-Down Step-Down Step-Down
Number of Outputs 1 1 1 1
Current - Output 7A 6A 8A 7A
Voltage - Output (Min/Fixed) 0.8V 0.6V 0.8V 0.8V
Output Configuration Positive Positive Positive Positive
Voltage - Output (Max) 13V 13V 15V 13V
Package / Case 20-VFQFN Exposed Pad 17-VFQFN Exposed Pad 30-VFQFN Exposed Pad 20-VFQFN Exposed Pad
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -20°C ~ 85°C (TA) -40°C ~ 125°C (TJ)
Topology Buck Buck Buck Buck
Frequency - Switching 200kHz ~ 1MHz 150kHz ~ 1MHz 600kHz 200kHz ~ 1MHz
Voltage - Input (Max) 28V 22.5V 25V 28V

NB638DL-LF-Z Datasheet PDF

Download NB638DL-LF-Z pdf datasheets and Monolithic Power Systems Inc. documentation for NB638DL-LF-Z - Monolithic Power Systems Inc..

Environmental Information
MonolithicPower Systems Environmental Compliance D.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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NB638DL-LF-Z

Monolithic Power Systems Inc.
32D-NB638DL-LF-Z

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