LP2986

正在供货

具有可调节或固定电压配置的 200mA、16V 低压降稳压器

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open-in-new 比较替代产品
功能与比较器件相同,但引脚排列有所不同
TPS7A24 正在供货 具有使能功能的 200mA、18V、超低 IQ、低压降 (LDO) 稳压器 Better PSRR
TPS7A25 正在供货 具有电源正常指示功能的 300mA、18V、超低 IQ、高精度、可调节低压降稳压器 Alternative product offering lower-IQ and higher accuracy in a 2x2 WSON package

产品详情

Output options Fixed Output Iout (max) (A) 0.2 Vin (max) (V) 16 Vin (min) (V) 2.1 Vout (max) (V) 5 Vout (min) (V) 1.23 Fixed output options (V) 3, 3.3, 5 Rating Catalog Noise (µVrms) 160 PSRR at 100 KHz (dB) 42 Iq (typ) (mA) 0.1 Thermal resistance θJA (°C/W) 38 Load capacitance (min) (µF) 2.2 Regulated outputs (#) 1 Features Enable, Power good Accuracy (%) 3 Dropout voltage (Vdo) (typ) (mV) 180 Operating temperature range (°C) -40 to 125
Output options Fixed Output Iout (max) (A) 0.2 Vin (max) (V) 16 Vin (min) (V) 2.1 Vout (max) (V) 5 Vout (min) (V) 1.23 Fixed output options (V) 3, 3.3, 5 Rating Catalog Noise (µVrms) 160 PSRR at 100 KHz (dB) 42 Iq (typ) (mA) 0.1 Thermal resistance θJA (°C/W) 38 Load capacitance (min) (µF) 2.2 Regulated outputs (#) 1 Features Enable, Power good Accuracy (%) 3 Dropout voltage (Vdo) (typ) (mV) 180 Operating temperature range (°C) -40 to 125
SOIC (D) 8 29.4 mm² 4.9 x 6 VSSOP (DGK) 8 14.7 mm² 3 x 4.9 WSON (NGN) 8 16 mm² 4 x 4
  • Wide Supply Voltage Range (16 V Maximum)
  • Ultra-Low-Dropout Voltage
  • 0.5% Output Voltage Accuracy (A Grade)
  • Ensured 200-mA Output Current
  • < 1-μA Quiescent Current when Shutdown
  • Low GROUND Pin Current at All Loads
  • High Peak Current Capability (400 mA Typical)
  • Overtemperature/Overcurrent Protection
  • −40°C to +125°C Junction Temperature Range
  • Wide Supply Voltage Range (16 V Maximum)
  • Ultra-Low-Dropout Voltage
  • 0.5% Output Voltage Accuracy (A Grade)
  • Ensured 200-mA Output Current
  • < 1-μA Quiescent Current when Shutdown
  • Low GROUND Pin Current at All Loads
  • High Peak Current Capability (400 mA Typical)
  • Overtemperature/Overcurrent Protection
  • −40°C to +125°C Junction Temperature Range

The LP2986 is a 200-mA high-precision LDO regulator with a wide input voltage supply. The device has two output voltage modes: a fixed-precision output mode and an adjustable output voltage via an external resistive divider.

Using an optimized Vertically Integrated PNP (VIP) process, the LP2986 delivers superior performance:

  • Dropout Voltage: Typically 180 mV at 200-mA load, and 1 mV at 1-mA load.
  • GROUND Pin Current: Typically 1 mA at 200-mA load, and 200 μA at 10-mA load.
  • Sleep Mode: The LP2986 draws less than 1 μA quiescent current when SHUTDOWN pin is pulled low.
  • ERROR Flag: The built-in ERROR flag goes low when the output drops approximately 5% below nominal.
  • Precision Output: The standard product versions available can be pin-strapped (using the internal resistive divider) to provide output voltages of 5 V, 3.3 V, or 3 V with ensured accuracy of 0.5% (A grade) and 1% (standard grade) at room temperature.
For all available packages, see the orderable addendum at the end of the data sheet.

The LP2986 is a 200-mA high-precision LDO regulator with a wide input voltage supply. The device has two output voltage modes: a fixed-precision output mode and an adjustable output voltage via an external resistive divider.

Using an optimized Vertically Integrated PNP (VIP) process, the LP2986 delivers superior performance:

  • Dropout Voltage: Typically 180 mV at 200-mA load, and 1 mV at 1-mA load.
  • GROUND Pin Current: Typically 1 mA at 200-mA load, and 200 μA at 10-mA load.
  • Sleep Mode: The LP2986 draws less than 1 μA quiescent current when SHUTDOWN pin is pulled low.
  • ERROR Flag: The built-in ERROR flag goes low when the output drops approximately 5% below nominal.
  • Precision Output: The standard product versions available can be pin-strapped (using the internal resistive divider) to provide output voltages of 5 V, 3.3 V, or 3 V with ensured accuracy of 0.5% (A grade) and 1% (standard grade) at room temperature.
For all available packages, see the orderable addendum at the end of the data sheet.

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类型 标题 下载最新的英语版本 日期
* 数据表 LP2986 Micropower, 200-mA Ultra-Low-Dropout Fixed or Adjustable Voltage Regulator 数据表 (Rev. I) PDF | HTML 2015年 9月 23日
应用手册 Using the LM2660 and LP2986 to Generate a Regulated Negative Output Voltage 2007年 3月 21日

设计和开发

如需其他信息或资源,请点击以下任一标题进入详情页面查看(如有)。

参考设计

PMP20873 — 效率高达 99% 且基于 GaN 的 1kW CCM 图腾柱功率因数校正 (PFC) 转换器参考设计

连续导通模式 (CCM) 图腾柱功率因数校正 (PFC) 是一款简单高效的电源转换器。  为了实现 99% 的效率,需要考虑许多设计细节。  PMP20873 参考设计采用 TI 的 600V GaN 功率级,LMG3410 和 TI 的 UCD3138 数字控制器。  设计概述详细介绍了连续导通模式 (CCM) 图腾柱拓扑的工作原理,给出了电路的详细设计考虑考量因素,并提供了磁性元件和固件控制方面的设计考虑因素。此转换器设计的工作频率为 100KHz。在交流线路过零处软启动可最大限度地减小电流尖峰并降低 THD。  PFC 固件实时测量交流电流和 PFC (...)
测试报告: PDF
原理图: PDF
封装 引脚 CAD 符号、封装和 3D 模型
SOIC (D) 8 Ultra Librarian
VSSOP (DGK) 8 Ultra Librarian
WSON (NGN) 8 Ultra Librarian

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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