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LTC3414 - 典型应用图例：
LTC3414典型应用图例一
LTC3414典型应用图例二
LTC3414 - 封装图解：
LTC3414封装图解一
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LINEAR产品 - LTC3414介绍

LTC3414 - LTC3414是4A, 4MHz, Monolithic Synchronous Step-Down Regulator

LTC3414是LINEAR凌力尔特公司的一款微功率降压产品，LTC3414是LTC3414是4A, 4MHz, Monolithic Synchronous Step-Down Regulator，本站介绍了LTC3414的封装应用图解、特点和优点、功能等，并给出了与LTC3414相关的LINEAR元器件型号供参考。

LTC3414 - LTC3414是4A, 4MHz, Monolithic Synchronous Step-Down Regulator - 微功率降压 - 航天和严酷环境 - 凌力尔特

LTC3414 - 4A, 4MHz, Monolithic Synchronous Step-Down Regulator

LTC3414 - 4A, 4MHz, Monolithic Synchronous Step-Down Regulator - Linear Technology（凌力尔特）

功能描述

The LTC3414 is a high efficiency monolithic synchronous, step-down DC/DC converter utilizing a constant frequency, current mode architecture. It operates from an input voltage range of 2.25V to 5.5V and provides a regulated output voltage from 0.8V to 5V while delivering up to 4A of output current. The internal synchronous power switch with 67milliOhm on-resistance increases efficiency and eliminates the need for an external Schottky diode. Switching frequency is set by an external resistor or can be synchronized to an external clock. 100% duty cycle provides low dropout operation extending battery life in portable systems. OPTI-LOOP compensation allows the transient response to be optimized over a wide range of loads and output capacitors.

The LTC3414 can be configured for either Burst Mode operation or forced continuous operation. Forced continuous operation reduces noise and RF interference while Burst Mode operation provides high efficiency by reducing gate charge losses at light loads. In Burst Mode operation, external control of the burst clamp level allows the output voltage ripple to be adjusted according to the requirements of the application.

特点
  • High Efficiency: Up to 95%
  • 4A Output Current
  • Low Quiescent Current: 64μA
  • Low RDS(ON) Internal Switch: 67 milliOhm
  • Programmable Frequency: 300KHz to 4MHz
  • 2.25V to 5.5V Input Voltage Range
  • ±2% Output Voltage Accuracy
  • 0.8V Reference Allows Low Output Voltage
  • Selectable Forced Continuous/Burst Modeoperation with Adjustable Burst Clamp
  • Synchronizable Switching Frequency
  • Low Dropout Operation: 100% Duty Cycle
  • Power Good Output Voltage Monitor
  • Overtemperature Protected
  • Available in 20-Lead Exposed TSSOP Package
    • 应用
  • Point-of-Load Regulation
  • Notebook Computers
  • Portable Instruments
  • Distributed Power Systems
    • 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)
    LTC3414EFE TSSOP-20 E $6.07 $4.25
    LTC3414EFE#PBF TSSOP-20 E $6.07 $4.25
    LTC3414EFE#TR TSSOP-20 E $4.31
    LTC3414EFE#TRPBF TSSOP-20 E $4.31
    LTC3414IFE TSSOP-20 I $6.50 $4.55
    LTC3414IFE#PBF TSSOP-20 I $6.50 $4.55
    LTC3414IFE#TR TSSOP-20 I $4.61
    LTC3414IFE#TRPBF TSSOP-20 I $4.61
    LTC3414MPFE TSSOP-20 MP $11.76 $8.23
    LTC3414MPFE#PBF TSSOP-20 MP $11.76 $8.23
    LTC3414MPFE#TR TSSOP-20 MP $8.29
    LTC3414MPFE#TRPBF TSSOP-20 MP $8.29
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  • LT8614 - 具 2.5μA 静态电流的 42V、4A 同步降压型 Silent Switcher
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  • LT1761 - 采用 SOT-23 封装的 100mA、低噪声、LDO 微功率稳压器
  • LT8610 - 具 2.5μA 静态电流的 42V、2.5A 同步降压型稳压器
  • LTC3115-1 - 40V、2A、同步降压-升压型 DC/DC 转换器
  • LT8705 - 80V VIN 和 VOUT 同步、四开关、降压-升压型 DC/DC 控制器
  • LT3690 - 具 70μA 静态电流的 36V、4A、1.5MHz 同步降压型开关稳压器
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