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    • 參數(shù)資料
      型號(hào): LM2598S-ADJ
      廠商: NATIONAL SEMICONDUCTOR CORP
      元件分類: 穩(wěn)壓器
      英文描述: SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator, with Features
      中文描述: 2.6 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PSSO7
      封裝: TO-263, SMT-7
      文件頁(yè)數(shù): 3/33頁(yè)
      文件大小: 847K
      代理商: LM2598S-ADJ
      Absolute Maximum Ratings
      (Note 1)
      If Military/Aerospace specified devices are required,
      please contact the National Semiconductor Sales Office/
      Distributors for availability and specifications.
      Maximum Supply Voltage (V
      IN
      )
      SD/SS Pin Input Voltage (Note 2)
      Delay Pin Voltage (Note 2)
      Flag Pin Voltage
      Feedback Pin Voltage
      Output Voltage to Ground
      (Steady State)
      Power Dissipation
      Storage Temperature Range
      45V
      6V
      1.5V
      0.3
      V
      +45V
      0.3
      V
      +25V
      1V
      Internally limited
      65C to +150C
      ESD Susceptibility
      Human Body Model (Note 3)
      Lead Temperature
      S Package
      Vapor Phase (60 sec.)
      Infrared (10 sec.)
      T Package (Soldering, 10 sec.)
      Maximum Junction Temperature
      2 kV
      +215C
      +245C
      +260C
      +150C
      Operating Conditions
      Temperature Range
      Supply Voltage
      25C
      T
      J
      +125C
      4.5V to 40V
      LM2598-3.3
      Electrical Characteristics
      Specifications with standard type face are for T
      J
      = 25C, and those with
      boldface type
      apply over
      full Operating Tempera-
      ture Range.
      Symbol
      Parameter
      Conditions
      LM2598-3.3
      Units
      (Limits)
      Typ
      Limit
      (Note 5)
      (Note 4)
      SYSTEM PARAMETERS
      (Note 6) Test Circuit Figure 1
      V
      OUT
      Output Voltage
      4.75V
      V
      IN
      40V, 0.1A
      I
      LOAD
      1A
      3.3
      V
      3.168/
      3.135
      3.432/
      3.465
      V(min)
      V(max)
      %
      η
      Efficiency
      V
      IN
      = 12V, I
      LOAD
      = 1A
      78
      LM2598-5.0
      Electrical Characteristics
      Specifications with standard type face are for T
      J
      = 25C, and those with
      boldface type
      apply over
      full Operating Tempera-
      ture Range.
      Symbol
      Parameter
      Conditions
      LM2598-5.0
      Units
      (Limits)
      Typ
      Limit
      (Note 5)
      (Note 4)
      SYSTEM PARAMETERS
      (Note 6) Test Circuit Figure 1
      V
      OUT
      Output Voltage
      7V
      V
      IN
      40V, 0.1A
      I
      LOAD
      1A
      5
      V
      4.800/
      4.750
      5.200/
      5.250
      V(min)
      V(max)
      %
      η
      Efficiency
      V
      IN
      = 12V, I
      LOAD
      = 1A
      82
      LM2598-12
      Electrical Characteristics
      Specifications with standard type face are for T
      J
      = 25C, and those with
      boldface type
      apply over
      full Operating Tempera-
      ture Range.
      Symbol
      Parameter
      Conditions
      LM2598-12
      Units
      (Limits)
      Typ
      Limit
      (Note 5)
      (Note 4)
      SYSTEM PARAMETERS
      (Note 6) Test Circuit Figure 1
      V
      OUT
      Output Voltage
      15V
      V
      IN
      40V, 0.1A
      I
      LOAD
      1A
      12
      V
      11.52/
      11.40
      12.48/
      12.60
      V(min)
      V(max)
      %
      η
      Efficiency
      V
      IN
      = 25V, I
      LOAD
      = 1A
      90
      L
      www.national.com
      3
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      相關(guān)代理商/技術(shù)參數(shù)
      參數(shù)描述
      LM2598S-ADJ/NOPB 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
      LM2598SX-12 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
      LM2598SX-12/NOPB 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
      LM2598SX-3.3 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
      LM2598SX-3.3/NOPB 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT