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LTC1627IS8
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LTC1627IS8

  • Category:Voltage regulator
  • Product Name:Monolithic synchronous step-down switching regulator
  • Manufacturers:LINAER
  • Production Batch Number:09+
  • Encapsulation:SOP8
  • Stock Status:There is stock
  • Stock Quantity:6000
  • Minimum order quantity: 1
  • Details:Click here to find pdf information on the LTC1627IS8
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  • Product introduction

LTC1627IS8

Monolithic synchronous step-down switching regulator

peculiarity

  • High efficiency: up to 95%
  • The constant frequency is 350kHzoperate
  • 2.65V to 8.5VVINrange
  • VOUT0.8V to VIN，I am 500mA
  • No Schottky diode required
  • Up to 525kHz can be synchronized
  • Optional burst mode ™
  • Low dropout operation: 100% duty cycle
  • Precision 2.5V undervoltage lockout
  • Secondary winding regulations"
  • Current mode operation with excellent line and load transient response
  • Low quiescent current: 200μA
  • Only 15μA of supply current is consumed in shutdown mode
  • ± 1.5% reference accuracy
  • Available in 8-lead SO package

Typical applications

Typical application of the LTC1627
Typical application of the LTC1627

description

The LTC ® 1627 is a monolithic current mode synchronous buck regulator using a fixed frequency architecture. The operating supply range drops from 8.5V to 2.65V, making it suitable for applications powered by one or two Li-Ion batteries. Burst Mode operation provides high efficiency at low load currents. 100% duty cycle provides low dropout operation, extending the runtime of battery-powered systems. The internally programmed operating frequency is 350kHz, allowing the use of small surface mount inductors. For switching noise sensitive applications, it can be externally synchronized to 525kHz. The control pin of the synchronous/FCB ensures the supervision of the secondary windings regardless of the load of the main output by forcing continuous operation. Burst Mode operation is suppressed during synchronization or pulled low on the sync/FCB pin to reduce noise and RF interference. Soft-start is provided by an external capacitor. Optional boot, enhanced internal switching driver for single-cell Li-Ion applications. Internal synchronous switching improves efficiency and eliminates the need for an external Schottky diode, saving component and board space. LTC1627 from an 8-lead SO package.
 

apply

  • Cellular
  • Portable instrument
  • Wireless modem
  • RF communications
  • Distributed power systems
  • scanner
  • Single and dual core lithium

andLTC1627IS8Related ICs are:


Model Manufacturers lot number encapsulation illustrate
LTC1627IS8 LINAER 09+ SOP8 Monolithic synchronous step-down switching regulator

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