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LN5071 - Integrated Dual LDO And Low-Dropout LED Driver

General Description

The LN5071 series of internal integration of two highly precise, low noise, positive voltage LDO regulators manufactured using CMOS processes.

The device used in portable electronic products drive main or vice screen backlight modules and the provision of low-voltage system voltage source.

Key Features

  • s.
  • 4 roads of 20ma current source can be used as main or vice LED Driver.
  • PWM average current control.
  • Single-wire interface configuration, 32 Level Linear current brightness control.
  • Ultra Low LED Dropout: 200mV at 20mA (TYP).
  • Dual 300mA linear regulators.
  • 1.3V to 6V output voltage range, stepping to 0.05 V.
  • High output voltage accuracy up to ± 2.0%.
  • LDO input and output low dropout voltage, 200 mV typical (3.0V output, IOUT = 100ma).
  • Maximum output.

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Datasheet Details

Part number LN5071
Manufacturer natlinear
File Size 739.12 KB
Description Integrated Dual LDO And Low-Dropout LED Driver
Datasheet download datasheet LN5071 Datasheet

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Full PDF Text Transcription (Reference)

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Integrated Dual LDO And Low-Dropout LED Driver LN5071 ■ General Description The LN5071 series of internal integration of two highly precise, low noise, positive voltage LDO regulators manufactured using CMOS processes. The device used in portable electronic products drive main or vice screen backlight modules and the provision of low-voltage system voltage source. LN5071 can drive four LEDs, each LED currents up to 20mA, through the PWM signal can adjust average brightness, the constant current can also be adjusted by a one-time input pulse count signal, a total of 32 level linear current. LN5071 integrated two voltage regulator has a separate enable pin, and each one voltage regulator can be adjusted independently through the repair of the output voltage, voltage output range of 1.