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LTC1421 - 典型应用图例：
LTC1421典型应用图例一
LTC1421 - 封装图解：
LTC1421封装图解一
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LINEAR产品 - LTC1421介绍

LTC1421 - LTC1421是Hot Swap Controller

LTC1421是LINEAR凌力尔特公司的一款低电压热插拔控制器产品，LTC1421是LTC1421是Hot Swap Controller，本站介绍了LTC1421的封装应用图解、特点和优点、功能等，并给出了与LTC1421相关的LINEAR元器件型号供参考。

LTC1421 - LTC1421是Hot Swap Controller - 低电压热插拔控制器 - 监视、控制和保护 - 凌力尔特

LTC1421 - Hot Swap Controller

LTC1421 - Hot Swap Controller - Linear Technology（凌力尔特）

功能描述
The LTC1421/LTC1421-2.5 are Hot Swap™ controllers that allow a board to be safely inserted and removed from a live backplane. Using external N-channel pass transistors, the board supply voltages can be ramped up at a programmable rate. Two high side switch drivers control the N-channel gates for supply voltages ranging from 3V to 12V.

A programmable electronic circuit breaker protects agianst shorts. Warning signals indicate that the circuit breaker has tripped, a power failure has occurred or that the switch drivers are turned off. The reset output can be used to generate a system reset when the power cycles or a fault occurs. The two connect inputs can be used with staggered connector pins to indicate board insertion or removal. The power-on reset input can be used to cycle the board power or claer the circuit breaker.

The trip point of the ground sense comparator is set at 0.1V for LTC1421 and 2.5V for LTC1421-2.5.

The LTC1421/LTC1421-2.5 are available in 24-pin SO and SSOP packages.

特点
  • Allows Safe Board Insertion and Removal from a Live Backplane
  • System Reset and Power Good Control Outputs
  • Programmable Electronic Circuit Breaker
  • User Programmable Supply Voltage Power-Up Rate
  • High Side Driver for Two External N-Channels
  • Controls Supply Voltages from 3V to 12V
  • Connection Inputs Detect Board Insertion or Removal
  • Undervoltage Lockout
  • Power-On Reset Input
    • 应用
  • Hot Board Insertion
  • Electronic Circuit Breaker
    • 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)
    LTC1421CG SSOP-24 C $6.90 $5.20
    LTC1421CG-2.5 SSOP-24 C $6.90 $5.20
    LTC1421CG-2.5#PBF SSOP-24 C $6.90 $5.20
    LTC1421CG-2.5#TR SSOP-24 C $5.30
    LTC1421CG-2.5#TRPBF SSOP-24 C $5.30
    LTC1421CG#PBF SSOP-24 C $6.90 $5.20
    LTC1421CG#TR SSOP-24 C $5.30
    LTC1421CG#TRPBF SSOP-24 C $5.30
    LTC1421CSW SW-24 C $6.40 $4.90
    LTC1421CSW-2.5 SW-24 C $6.40 $4.90
    LTC1421CSW-2.5#PBF SW-24 C $6.40 $4.90
    LTC1421CSW-2.5#TR SW-24 C $5.00
    LTC1421CSW-2.5#TRPBF SW-24 C $5.00
    LTC1421CSW#PBF SW-24 C $6.40 $4.90
    LTC1421CSW#TR SW-24 C $5.00
    LTC1421CSW#TRPBF SW-24 C $5.00
    LTC1421IG SSOP-24 I $7.15 $5.95
    LTC1421IG-2.5 SSOP-24 I $7.15 $5.95
    LTC1421IG-2.5#PBF SSOP-24 I $7.15 $5.95
    LTC1421IG-2.5#TR SSOP-24 I $6.05
    LTC1421IG-2.5#TRPBF SSOP-24 I $6.05
    LTC1421IG#PBF SSOP-24 I $7.15 $5.95
    LTC1421IG#TR SSOP-24 I $6.05
    LTC1421IG#TRPBF SSOP-24 I $6.05
    LTC1421ISW SW-24 I $6.60 $5.65
    LTC1421ISW-2.5 SW-24 I $6.60 $5.65
    LTC1421ISW-2.5#PBF SW-24 I $6.60 $5.65
    LTC1421ISW-2.5#TR SW-24 I $5.75
    LTC1421ISW-2.5#TRPBF SW-24 I $5.75
    LTC1421ISW#PBF SW-24 I $6.60 $5.65
    LTC1421ISW#TR SW-24 I $5.75
    LTC1421ISW#TRPBF SW-24 I $5.75
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  • LT4363 - 具电流限制功能的高电压浪涌抑制器
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