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LTC1753 - 典型应用图例：
LTC1753典型应用图例一
LTC1753 - 封装图解：
LTC1753封装图解一
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LINEAR产品 - LTC1753介绍

LTC1753 - LTC1753是5-Bit Programmable Synchronous Switching Regulator Controller for Pentium? II Processor

LTC1753是LINEAR凌力尔特公司的一款数字可编程的降压型稳压器产品，LTC1753是LTC1753是5-Bit Programmable Synchronous Switching Regulator Controller for Pentium? II Processor，本站介绍了LTC1753的封装应用图解、特点和优点、功能等，并给出了与LTC1753相关的LINEAR元器件型号供参考。

LTC1753 - LTC1753是5-Bit Programmable Synchronous Switching Regulator Controller for Pentium? II Processor - 数字可编程的降压型稳压器 - 电源管理 - 凌力尔特

LTC1753 - 5-Bit Programmable Synchronous Switching Regulator Controller for Pentium? II Processor

LTC1753 - 5-Bit Programmable Synchronous Switching Regulator Controller for Pentium? II Processor - Linear Technology（凌力尔特）

功能描述
The LTC1753 is a high power, high efficiency switching regulator controller optimized for 5V input to a digitally programmable 1.3V-3.5V output. The internal 5-bit DAC programs the output voltage from 1.3V to 2.05V in 50mV increments and from 2.1V to 3.5V in 100mV increments. The precision internal reference and an internal feedback system provide an output accuracy of ±1.5% at room temperature and typically ±2% over temperature, load current and line voltage shifts. The LTC1753 uses a synchronous switching architecture with two external N-channel output devices, providing high efficiency and eliminating the need for a high power, high cost P-channel device. Additionally, it senses the output current across the on-resistance of the upper N-channel FET, providing an adjustable current limit without an external low value sense resistor.

The LTC1753 free-runs at 300kHz and can be synchronized to a faster external clock if desired. It provides a phase lead compensation scheme and under harsh loading conditions, the PWM duty cycle can be momentarily forced to 0% or 100% to reduce the output voltage recovery time.

特点
  • 5-Bit Digitally Programmable 1.3V to 3.5V Fixed Output Voltage, VRM 8.4 Compliant
  • Fast Transient Response: 0% to 100% Duty Cycle
  • Phase Lead Compensation for Remote Sensing
  • Overtemperature Protection
  • Flags for Power Good and Overvoltage Fault
  • 19A Output Current Capability from a 5V Supply
  • Dual N-Channel MOSFET Synchronous Driver
  • Initial Output Accuracy: ±1.5%
  • Excellent Output Accuracy: ±2% Typ Over Line, Load and Temperature Variations
  • High Efficiency: Over 95% Possible
  • Adjustable Current Limit Without External Sense Resistors
  • Available in 2O-Lead SSOP and SW Packages
    • 应用
  • Power Supply for Pentium® III, AMD-K6®-2, SPARC, ALPHA and PA-RISC Microprocessors
  • High Power 5V to 1.3V-3.5V Regulators
    • 以下列出了不同封装及包装形式的具体型号,并标出了直接在linear官网上订货的价格（美元）
    器件型号 封装 温度 价格 (以 1 ~ 99 片为批量) 价格 (以 1000 片为批量)
    LTC1753CG SSOP-20 C $3.47 $3.05
    LTC1753CG#PBF SSOP-20 C $3.47 $3.05
    LTC1753CG#TR SSOP-20 C $3.15
    LTC1753CG#TRPBF SSOP-20 C $3.15
    LTC1753CSW SW-20 C $3.20 $2.80
    LTC1753CSW#PBF SW-20 C $3.20 $2.80
    LTC1753CSW#TR SW-20 C $2.90
    LTC1753CSW#TRPBF SW-20 C $2.90
    下面可能是您感兴趣的Linear Technology（凌力尔特）元器件
  • LTM4676 - 具数字电源系统管理功能的双通道 13A 或单通道 26A μModule 稳压器
  • LTC3816 - 用于 Intel IMVP-6/IMVP-6.5 CPU 的单相、宽 VIN 范围 DC/DC 控制器
  • LT4320 / LT4320-1 - 理想二极管桥控制器
  • LT3080 - 可调 1.1A、单电阻、低压差稳压器
  • LT1763 - 500mA、低噪声、LDO 微功率稳压器
  • LTC3880 / LTC3880-1 - 具数字电源系统管理功能的双输出多相降压型 DC/DC 控制器
  • LTC3883 / LTC3883-1- 具数字电源系统管理功能的单相降压型 DC/DC 控制器
  • LT3080-1 - 可并联、1.1A、输出可调的单电阻低压差稳压器
  • LTC1736 - 5-Bit Adjustable High Efficiency Synchronous Step-Down Switching Regulator
  • LTC3447 - 采用3mm x 3mm DFN 的 I2C 控制型降压稳压器
    • 下面可能是您感兴趣的凌力尔特公司数字可编程的降压型稳压器元器件
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