RichTek RT9170 CMOS LDO Regulator Datasheet

The RT9170 is a CMOS ultra low quiescent current and low dropout (ULDO) regulator. The device is capable of supplying 300mA of output current continuously. The RT9170's performance is optimized for battery-powered systems to deliver 15µA ultra low quiescent current and extremely low dropout voltage. Regulator ground current increases only slightly in dropout, further prolonging the battery life. Other features include ultra low dropout voltage, high output accuracy, current limiting protection, and high ripple rejection ratio. The device is available in fixed output voltages range of 1.2V to 3.3V with 0.1V per step. The RT9170 regulators are available in SOT-23-3, SOT-23-5 and DIP-8 packages.


RichTek RT9170 CMOS LDO Regulator Datasheet - cover page
Brand
RichTek
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
13
File format
PDF
File size
215 KB
Published
12 July, 2012
Updated
30 September, 2023
MD5 checksum
4B2DCE761A86FE271BCEE600DE3D76A6

About this manual

The RT9170 is an ultra-low dropout (ULDO) regulator designed for battery-powered systems, featuring a typical quiescent current of 15uA and the ability to supply up to 300mA of output current continuously. The device offers high output accuracy, current limiting protection, thermal shutdown, and high ripple rejection ratio.

What's inside

  • General Description
  • Ordering Information
  • Features
  • Applications
  • Pin Configurations
  • Functional Pin Description
  • Absolute Maximum Ratings
  • Electrical Characteristics

Specifications

Output Current300mA
Quiescent Current15uA (Typical)
Dropout Voltage240mV at 300mA
Operating Voltage Range2V to 5.5V
Output Voltage Range1.2V to 3.3V (0.1V steps)

Frequently asked questions

What is the typical quiescent current of the RT9170?

The device delivers a typical ultra-low quiescent current of 15uA.

What is the maximum output current capability?

The regulator is capable of supplying 300mA of output current continuously.

Which packages are available for the RT9170?

The devices are available in SOT-23-3, SOT-23-5 and 3-lead SOT-89 packages.

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