LM337-N

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1.5A 负电压可调节线性稳压器

产品详情

Output options Adjustable Output, Negative Output Iout (max) (A) 1.5 Vin (max) (V) -4.2 Vin (min) (V) -40 Vout (max) (V) -1.2 Vout (min) (V) -37 Noise (µVrms) 38 Iq (typ) (mA) 0.065 Thermal resistance θJA (°C/W) 23 Rating Catalog Load capacitance (min) (µF) 1 Regulated outputs (#) 1 Accuracy (%) 2.4 PSRR at 100 KHz (dB) 35 Dropout voltage (Vdo) (typ) (mV) 2400 Operating temperature range (°C) -40 to 125
Output options Adjustable Output, Negative Output Iout (max) (A) 1.5 Vin (max) (V) -4.2 Vin (min) (V) -40 Vout (max) (V) -1.2 Vout (min) (V) -37 Noise (µVrms) 38 Iq (typ) (mA) 0.065 Thermal resistance θJA (°C/W) 23 Rating Catalog Load capacitance (min) (µF) 1 Regulated outputs (#) 1 Accuracy (%) 2.4 PSRR at 100 KHz (dB) 35 Dropout voltage (Vdo) (typ) (mV) 2400 Operating temperature range (°C) -40 to 125
SOT-223 (DCY) 4 45.5 mm² 6.5 x 7 TO-220 (NDE) 3 46.5328 mm² 10.16 x 4.58 TO-220 (NDG) 3 193.548 mm² 10.16 x 19.05
  • 1.5-A Output Current
  • Line Regulation 0.01%/V (Typical)
  • Load Regulation 0.3% (Typical)
  • 77-dB Ripple Rejection
  • 50 ppm/°C Temperature Coefficient
  • Thermal Overload Protection
  • Internal Short-Circuit Current Limiting
    Protections
  • 1.5-A Output Current
  • Line Regulation 0.01%/V (Typical)
  • Load Regulation 0.3% (Typical)
  • 77-dB Ripple Rejection
  • 50 ppm/°C Temperature Coefficient
  • Thermal Overload Protection
  • Internal Short-Circuit Current Limiting
    Protections

The LM137 and LM337-N are adjustable 3-terminal negative voltage regulators capable of supplying –1.5 A or more currents over an output voltage range of –1.25 V to –37 V. It requires only two external resistors to set the output voltage and one output capacitor for frequency compensation. The circuit design has been optimized for excellent regulation and low thermal transients. Further, the LM137 and LM337-N feature internal current limiting, thermal shutdown and safe-area compensation, making it virtually blowout-proof against overloads.

The LM137 and LM337-N are ideal complements to the LM117 and LM317 adjustable positive regulators. The LM137 has a wider operating temperature range than the LM337-N and is also offered in military and space qualified versions.

The LM137 and LM337-N are adjustable 3-terminal negative voltage regulators capable of supplying –1.5 A or more currents over an output voltage range of –1.25 V to –37 V. It requires only two external resistors to set the output voltage and one output capacitor for frequency compensation. The circuit design has been optimized for excellent regulation and low thermal transients. Further, the LM137 and LM337-N feature internal current limiting, thermal shutdown and safe-area compensation, making it virtually blowout-proof against overloads.

The LM137 and LM337-N are ideal complements to the LM117 and LM317 adjustable positive regulators. The LM137 has a wider operating temperature range than the LM337-N and is also offered in military and space qualified versions.

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类型 标题 下载最新的英语版本 日期
* 数据表 LM137, LM337-N 3-Terminal Adjustable Negative Regulators 数据表 (Rev. E) PDF | HTML 2016年 1月 13日
EVM 用户指南 LM317A-337N-EVM User's Guide 2016年 1月 21日
应用手册 Method For Cal Output Voltage Tolerances in Adj Regs (Rev. A) 2013年 5月 5日
应用手册 LB-46 A New Production Technique for Trimming Voltage Regulators 2004年 5月 15日
应用手册 A New Production Technique for Trimming Voltage Regulators 2002年 10月 3日

设计和开发

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评估板

LM317A-337N-EVM — 3 引脚可调节稳压器评估模块

LM317A-337N-EVM 演示了 LM317A 可调稳压器及其负向互补稳压器 LM337-N 的典型应用。此评估模块为每个器件采用 SOT-223 封装选项,提供高达 1.0A 的负载电流。此 EVM 可轻松修改以填充 TO-220 版器件,从而适应 1.5A 工作电流。此模块提供了足量的占用空间供客户选择电容,还具有 4 个铜层和散热空间以实现出色的功耗。

用户指南: PDF
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仿真模型

LM337-N PSpice Transient Model

SNVMAP5.ZIP (49 KB) - PSpice Model
仿真模型

LM337-N Unencrypted PSpice Transient Model

SNVMAP4.ZIP (1 KB) - PSpice Model
封装 引脚 下载
SOT-223 (DCY) 4 查看选项
TO-220 (NDE) 3 查看选项
TO-220 (NDG) 3 查看选项

订购和质量

包含信息:
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息:
  • 制造厂地点
  • 封装厂地点

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