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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersNCP1581DR2G
NCP1581DR2G Image
Image may be representation.
See specifications for product details.

NCP1581DR2G - onsemi

Manufacturer Part Number
NCP1581DR2G
Manufacturer
onsemi
Allelco Part Number
32D-NCP1581DR2G
ECAD Model
Parts Description
IC REG CTRLR BUCK 14SOIC
Detailed Description
Package
14-SOIC (0.154', 3.90mm Width)
Data sheet
NCP1581.pdf
RoHs Status
ROHS3 Compliant
In stock: 11250

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Quantity

Specifications

NCP1581DR2G Tech Specifications
onsemi - NCP1581DR2G technical specifications, attributes, parameters and parts with similar specifications to onsemi - NCP1581DR2G

Product Attribute Attribute Value  
Manufacturer onsemi  
Voltage - Supply (Vcc/Vdd) 6.3V ~ 20V  
Topology Buck  
Synchronous Rectifier Yes  
Supplier Device Package 14-SOIC  
Series -  
Serial Interfaces -  
Package / Case 14-SOIC (0.154', 3.90mm Width)  
Package Tape & Reel (TR)  
Output Type Transistor Driver  
Output Phases 1  
Product Attribute Attribute Value  
Output Configuration Positive  
Operating Temperature 0°C ~ 125°C (TJ)  
Number of Outputs 1  
Mounting Type Surface Mount  
Function Step-Down  
Frequency - Switching 400kHz  
Duty Cycle (Max) 85%  
Control Features Enable, Soft Start  
Clock Sync No  
Base Product Number NCP1581  

Parts Introduction

Manufacturer Part Number

NCP1581DR2G

Manufacturer

onsemi

Introduction

The NCP1581DR2G is a DC-DC switching controller designed for power management applications.

Product Features and Performance

Step-Down (Buck) topology

Single output transistor driver

Positive output configuration

Support for synchronous rectification

Enable and soft start control features

Switching frequency of 400kHz

Maximum duty cycle of 85%

Operates from a supply voltage of 6.3V to 20V

One output phase

Product Advantages

Integrated functionality for a compact design

High efficiency due to synchronous rectification

Soft start minimizes inrush current upon startup

Extended operating temperature range suitable for various environments

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Down

Number of Outputs: 1

Voltage - Supply (Vcc/Vdd): 6.3V ~ 20V

Frequency - Switching: 400kHz

Duty Cycle (Max): 85%

Synchronous Rectifier: Yes

Operating Temperature: 0°C ~ 125°C (TJ)

Quality and Safety Features

Designed to operate at high temperatures up to 125°C

Compliance with safety and quality standards

Compatibility

Surface-mount technology compatible with 14-SOIC package

Can be used with a wide range of supply voltages

Application Areas

Power management solutions in computing, consumer electronics, and industrial applications

Product Lifecycle

Obsolete status

Potential for replacement or upgrade options available through onsemi

Several Key Reasons to Choose This Product

High efficiency for energy-saving applications

Ability to handle a wide range of input voltages for versatile use

High switching frequency for improved performance

Built-in features like enable and soft start for better control

Robust design suitable for extreme temperature conditions

Parts with Similar Specifications

The three parts on the right have similar specifications to onsemi NCP1581DR2G

Product Attribute NCP1581DR2G NCP1580DR2G NCP1582DR2G NCP1571DR2G
Part Number NCP1581DR2G NCP1580DR2G NCP1582DR2G NCP1571DR2G
Manufacturer onsemi onsemi onsemi onsemi
Function Step-Down Step-Down Step-Down Step-Down
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Clock Sync No No No No
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Output Phases 1 1 1 1
Frequency - Switching 400kHz 350kHz 350kHz 200kHz
Package / Case 14-SOIC (0.154', 3.90mm Width) 8-SOIC (0.154', 3.90mm Width) 8-SOIC (0.154', 3.90mm Width) 8-SOIC (0.154", 3.90mm Width)
Series - - - -
Number of Outputs 1 1 1 1
Control Features Enable, Soft Start Phase Control Enable, Phase Control Power Good
Topology Buck Buck Buck Buck
Base Product Number NCP1581 NCP1580 NCP1582 NCP1571
Operating Temperature 0°C ~ 125°C (TJ) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) 0°C ~ 125°C (TJ)
Duty Cycle (Max) 85% 90% 75% -
Supplier Device Package 14-SOIC 8-SOIC 8-SOIC 8-SOIC
Output Configuration Positive Positive Positive Positive
Voltage - Supply (Vcc/Vdd) 6.3V ~ 20V 4.5V ~ 13.2V 4.5V ~ 13.2V 7.5V ~ 15V
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Serial Interfaces - - - -
Synchronous Rectifier Yes Yes Yes Yes

NCP1581DR2G Datasheet PDF

Download NCP1581DR2G pdf datasheets and onsemi documentation for NCP1581DR2G - onsemi.

Environmental Information
onsemi RoHS.pdf onsemi REACH.pdf Material Declaration NCP1581DR2G.pdf
PCN Obsolescence/ EOL
Cylindrical Battery Holders.pdf
HTML Datasheet
NCP1581.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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NCP1581DR2G Image

NCP1581DR2G

onsemi
32D-NCP1581DR2G

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