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UR1170 - 800MA LDO REGULATOR

General Description

The U TC UR1 170 is a t ypical LDO (li near regul ator) with the

Key Features

  • Low standby current.
  • Ultra-Low supply current.
  • Output voltage (stepwise setting with a step of 0.1V in the range of 1.2V~4.0V).
  • Output current (MIN=800mA@VIN=VOUT+1.0V).
  • Low dropout voltage.
  • Line regulation.
  • High output voltage accuracy.
  • Low temperature-drift coefficient of output voltage.
  • Built-in thermal shunt circuit.
  • Built-in current limit circuit.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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UNISONIC TECHNOLOGIES CO., LTD UR1170 Preliminary CMOS IC 800MA LDO REGULATOR  DESCRIPTION The U TC UR1 170 is a t ypical LDO (li near regul ator) with the features of hig h output voltage accurac y, lo w supply curr ent, lo w ON-resistance, and high ripple rejection. During op eration of the UT C UR1170, th e drop out vo ltage i s very l ow an d the resp onse o f line transi ent and lo ad tran sient ar e very well. Internally, ther e’re man y fun ctions of UT C UR1170 w hich can be seen in the block figur e. There are a volt age reference unit, an error amplifier, resistor-net for voltage setting, a current limit circuit, and a chip enable circuit in each UTC UR1170.