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TI(德州仪器) LP2986
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  • TI(德州仪器) LP2986
  • TI(德州仪器) LP2986
  • TI(德州仪器) LP2986
  • TI(德州仪器) LP2986
  • TI(德州仪器) LP2986
  • TI(德州仪器) LP2986
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LP2986

LP2986

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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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  • 说明
  • 特性
  • 参数
  • 封装 | 引脚 | 尺寸

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.

  • 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
Output optionsAdjustable Output, 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
Noise (µVrms)160
Iq (typ) (mA)0.1
Thermal resistance θJA (°C/W)38
RatingCatalog
Load capacitance (min) (µF)2.2
Regulated outputs (#)1
FeaturesEnable, Power good
Accuracy (%)3
PSRR at 100 KHz (dB)42
Dropout voltage (Vdo) (typ) (mV)180
Operating temperature range (°C)-40 to 125
SOIC (D)829.4 mm² 4.9 x 6
VSSOP (DGK)814.7 mm² 3 x 4.9
WSON (NGN)816 mm² 4 x 4
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