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LTC1707IS8
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LTC1707IS8

  • 所属类别：稳压器
  • 产品名称：高效率单片同步降压开关稳压器
  • 厂商：LINEAR
  • 生产批号：10+
  • 封装：SOP8
  • 库存状态：有库存
  • 库存量：9000
  • 最低订购量：1
  • 详细资料：点击查找LTC1707IS8的pdf资料
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  • Product Introduction

LTC1707IS8 

High-efficiency monolithic synchronous step-down switching regulator

peculiarity

  • 600mA Output Current (>/= 4V V)
  • High efficiency: up to 96%
  • The constant frequency is 350kHz and can be synchronized to 550kHz
  • 2.85V to 8.5VV IN range
  • 0.8V反馈基准允许低电压输出：0.8V OUT = V = V IN
  • No Schottky diodes required
  • 1.19V ± 1% of the reference output pins
  • Optional burst mode ™ operation/pulse hop mode
  • Low dropout operation: 100% duty cycle
  • Precision 2.7V undervoltage latching
  • Excellent line current pattern control and load transient response
  • Low quiescent current: 200μA
  • It consumes only 11μA of supply current in shutdown mode
  • Available in an 8-lead SO package

Typical applications:

LTC1707的典型应用
LTC1707的典型应用

description

The LTC™1707 is a high-efficiency, monolithic current-mode synchronous buck regulator with a fixed-frequency architecture. The operating power supply range drops from 8.5V to 2.85V, making it suitable for applications powered by single and dual lithium-ion batteries. Burst mode operation provides high efficiency at low load currents. The 100% duty cycle provides low drop operation, extending the uptime of battery-powered systems. The switching frequency set internally is 350kHz, allowing for the use of small surface mount inductors. For those noise-sensitive applications, it can be externally synchronized up to 550kHz. Burst mode operation is suppressed during synchronization or when the SYNC/MODE pin is pulled down, preventing low-frequency ripple from interfering with the audio circuit. Soft start is provided by an external capacitor. Internal synchronous MOSFET switches increase efficiency and eliminate the need for an external Schottky diode, saving component and board space. It is easy to achieve low output voltages as low as 0.8V to 0.8V internal references. 8-lead SO package LTC1707.

apply

  • Cellular phones
  • Portable instrument
  • Wireless modem
  • RF communication
  • Distributed power systems
  • Single and double core lithium

LTC1707IS8-related ICs include:


Model Manufacturers lot number encapsulation illustrate
LTC1707IS8 LINEAR 10+ SOP8 High-efficiency monolithic synchronous step-down switching regulator

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