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LM22671MRE-ADJ 500mA SD Vtg Reg Switching Voltage Regulators Precision Enable Pin

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LM22671MRE-ADJ 500mA SD Vtg Reg Switching Voltage Regulators Precision Enable Pin

China LM22671MRE-ADJ  500mA SD Vtg Reg Switching Voltage Regulators Precision Enable Pin supplier

Large Image :  LM22671MRE-ADJ 500mA SD Vtg Reg Switching Voltage Regulators Precision Enable Pin

Product Details:

Brand Name: Ti
Model Number: LM22671MRE-ADJ

Payment & Shipping Terms:

Minimum Order Quantity: Contact us
Price: Contact us
Packaging Details: SOP8
Delivery Time: The goods will be shipped within 3 days once received fund
Payment Terms: Paypal, Western Union, TT
Supply Ability: 50000 Pieces per Day
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Detailed Product Description
Input Voltage MAX: 42 V Topology: Buck
Input Voltage MIN: 4.5 V Switching Frequency: 500 KHz, 200 KHz To 1000 KHz
Minimum Operating Temperature: - 40 C Maximum Operating Temperature: + 125 C

LM22671MRE-ADJ Power Path Management IC Switching Voltage Regulators 500 mA SD Vtg Reg

 

1 Features

  • Wide Input Voltage Range: 4.5 V to 42 V
  • Internally Compensated Voltage Mode Control

  • Stable with Low ESR Ceramic capacitors

  • 200 mΩ N-Channel MOSFET

  • Output Voltage Options:
    -ADJ (Outputs as Low as 1.285 V) -5.0 (Output Fixed to 5 V)

  • ±1.5% Feedback Reference Accuracy

  • 500 kHz Default Switching Frequency

  • Adjustable Switching Frequency and Synchronization

  • –40°C to 125°C Operating Junction Temperature Range

  • Precision Enable Pin

  • Integrated Boot-Strap Diode

  • Adjustable Soft-Start

  • Fully WEBENCH® Enabled

  • LM22671-Q1 is an Automotive Grade Product that is AEC-Q100 Grade 1 Qualified (–40°C to +125°C Operating Junction Temperature)

  • SO PowerPADTM (Exposed Pad)

     

2 Applications

  • Industrial Control

  • Telecom and Datacom Systems

  • Embedded Systems

  • Conversions from Standard 24 V, 12 V and 5 V Input Rails

 

3 Description

The LM22671 switching regulator provides all of the functions necessary to implement an efficient high voltage step-down (buck) regulator using a minimum of external components. This easy to use regulator incorporates a 42 V N-channel MOSFET switch capable of providing up to 500 mA of load current. Excellent line and load regulation along with high efficiency (> 90%) are featured. Voltage mode control offers short minimum on-time, allowing the widest ratio between input and output voltages. Internal loop compensation means that the user is free from the tedious task of calculating the loop compensation components. Fixed 5 V output and adjustable output voltage options are available. The default switching frequency is set at 500 kHz allowing for small external components and good transient response. In addition, the frequency can be adjusted over a range of 200 kHz to 1 MHz with a single external resistor. The internal oscillator can be synchronized to a system clock or to the oscillator of another regulator. A precision enable input allows simplification of regulator control and system power sequencing. In shutdown mode the regulator draws only 25 μA (typ). An adjustable soft-start feature is provided through the selection of a single external capacitor. The LM22671 device also has built-in thermal shutdown and current limiting to protect against accidental overloads.

The LM22671 device is a member of Texas Instruments' SIMPLE SWITCHER® family. The SIMPLE SWITCHER concept provides for an easy to use complete design using a minimum number of external components and the TI WEBENCH design tool. TI's WEBENCH tool includes features such as external component calculation, electrical simulation, thermal simulation, and Build-It boards for easy design-in.

Device Information

PART NUMBER

PACKAGE

BODY SIZE (NOM)

LM22671

HSOP (8)

4.89 mm x 3.90 mm

LM22671-Q1

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