NCP1581DR2G
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onsemi NCP1581DR2G

Manufacturer No:
NCP1581DR2G
Manufacturer:
onsemi
Package:
Tape & Reel (TR)
Description:
IC REG CTRLR BUCK 14SOIC
Delivery:
Payment:
iso14001
iso45001
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Product Introduction

Overview

The NCP1581DR2G is a synchronous buck regulator controller IC designed and manufactured by onsemi. This component is tailored for on-board DC to DC conversion applications, offering a simple and efficient solution for power management. The NCP1581DR2G features a step-down (buck) topology, making it suitable for a wide range of electronic devices that require stable and efficient power supply.

Key Specifications

ParameterValue
Package Type14-pin SOIC
Supply Voltage Range6.3V to 20V
TopologyStep-Down (Buck)
Operating FrequencyUp to 1 MHz (adjustable)
Output Voltage RangeAdjustable
Maximum Output CurrentDependent on external components
EfficiencyHigh efficiency due to synchronous operation

Key Features

  • Synchronous buck regulator for high efficiency
  • Adjustable output voltage and frequency
  • Wide input voltage range (6.3V to 20V)
  • Compact 14-pin SOIC package
  • High switching frequency up to 1 MHz
  • Integrated protection features such as overcurrent and overvoltage protection

Applications

The NCP1581DR2G is suitable for various on-board DC to DC conversion applications, including but not limited to:

  • Power supplies for consumer electronics
  • Industrial control systems
  • Automotive electronics
  • Telecommunication equipment
  • Server and data storage systems

Q & A

  1. What is the package type of the NCP1581DR2G?
    The NCP1581DR2G comes in a 14-pin SOIC package.
  2. What is the input voltage range for the NCP1581DR2G?
    The input voltage range is from 6.3V to 20V.
  3. What topology does the NCP1581DR2G use?
    The NCP1581DR2G uses a step-down (buck) topology.
  4. What is the maximum switching frequency of the NCP1581DR2G?
    The maximum switching frequency is up to 1 MHz.
  5. Does the NCP1581DR2G have built-in protection features?
    Yes, it includes integrated protection features such as overcurrent and overvoltage protection.
  6. What are some common applications for the NCP1581DR2G?
    Common applications include power supplies for consumer electronics, industrial control systems, automotive electronics, and telecommunication equipment.
  7. How efficient is the NCP1581DR2G?
    The NCP1581DR2G operates with high efficiency due to its synchronous operation.
  8. Can the output voltage of the NCP1581DR2G be adjusted?
    Yes, the output voltage is adjustable.
  9. What is the typical operating current range for the NCP1581DR2G?
    The maximum output current is dependent on the external components used.
  10. Where can I find detailed specifications for the NCP1581DR2G?
    Detailed specifications can be found in the datasheet available on the onsemi website or through distributors like Mouser and Bostock Electronics.

Product Attributes

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

$0.65
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Similar Products

Part Number NCP1581DR2G NCP1587DR2G NCP1582DR2G NCP1583DR2G NCP1586DR2G NCP1561DR2G NCP1571DR2G NCP1580DR2G
Manufacturer onsemi onsemi onsemi onsemi onsemi onsemi onsemi onsemi
Product Status Obsolete Active Obsolete Obsolete Obsolete Active Obsolete Obsolete
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver Transistor Driver - Transistor Driver Transistor Driver
Function Step-Down Step-Down Step-Down Step-Down Step-Down - Step-Down Step-Down
Output Configuration Positive Positive Positive Positive Positive - Positive Positive
Topology Buck Buck Buck Buck Buck - Buck Buck
Number of Outputs 1 1 1 1 1 - 1 1
Output Phases 1 1 1 1 1 - 1 1
Voltage - Supply (Vcc/Vdd) 6.3V ~ 20V 4.5V ~ 13.2V 4.5V ~ 13.2V 4.5V ~ 13.2V 4.5V ~ 13.2V - 7.5V ~ 15V 4.5V ~ 13.2V
Frequency - Switching 400kHz 275kHz 350kHz 300kHz 275kHz - 200kHz 350kHz
Duty Cycle (Max) 85% 75% 75% 75% 75% - - 90%
Synchronous Rectifier Yes Yes Yes Yes Yes - Yes Yes
Clock Sync No No No No No - No No
Serial Interfaces - - - - - - - -
Control Features Enable, Soft Start Enable, Phase Control Enable, Phase Control Enable, Phase Control Enable, Phase Control - Power Good Phase Control
Operating Temperature 0°C ~ 125°C (TJ) 0°C ~ 70°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) 0°C ~ 70°C (TA) - 0°C ~ 125°C (TJ) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount - Surface Mount Surface Mount
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) 8-SOIC (0.154", 3.90mm Width) - 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 14-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC - 8-SOIC 8-SOIC

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