Skip to main content Skip to first level navigation
Skip to main content First level navigation Menu
Contact Us About Us
Facebook (Open link in new window) YouTube (Open link in new window) LinkedIn (Open link in new window)
Main content
Main content

R1131 Series

Low Voltage 300mA Voltage Regulator

  • Consumer
  • RoHS

The R1131 Series are CMOS-based LDO regulators featuring 300mA output. The input voltage (VIN) is as low as Min. 1.4V and the output voltage can be set from 0.8V. The CE pin can switch the regulator into standby mode.

Specs & Datasheets

Input Voltage Range 1.4 V to 6.0 V (6.5 V)
Operating Temperature Range -40°C to 85°C (125°C)
Supply Current Typ. 60 µA (VOUT ≥ 1.8 V)
Typ. 80 µA (VOUT < 1.8 V)
Standby Current Typ. 0.1 µA
Output Voltage Range 0.8 V to 3.3 V (0.1 V step)
Output Voltage Accuracy ±2.0% (Ta = 25°C)
Output Voltage Temperature Coefficient Typ. ±100 ppm/°C
Dropout Voltage Typ. 0.23 V (IOUT = 300mA, VOUT = 3.0V)
Line Regulation Typ. 0.01%/V
Output Current 300 mA
Ripple Rejection Typ. 65 dB (f = 1 kHz)
Package SOT-23-5, SON-6

Download Datasheet

Protections / Functions

Functional Description

TSD Reverse Current Limit ISC Inrush Constant Slope ECO mode Auto Discharge External Driver

Technical Documents

R1131x33xx Dropout Voltage vs. Output Current

R1131x33xx Dropout Voltage vs. Output Current

Quality & Packages

Product Name Compatibility Package Marking Reliability
  • gradeConsumerC
SON-6 R1131Dxx1 R1131Dxx1-FE
  • gradeConsumerC
SOT-23-5 R1131N R1131N-FE

Refer to the datasheets for the details on the product.
The package file includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.
Please contact us or our distributors for unpublished reliability information.

Sample / Buy

Functional Description

TSD Thermal Shutdown Function
Reverse Current Protection Reverse Current Protection
Current Limit Overcurrent Protection
ISC Short Current Protection
Inrush Current Limit Inrush Current Protection
Constant Slope Constant Slope Function
ECO mode ECO Function
Auto Discharge Auto Discharge Function
External Driver External Output Driver Transistor

Search for similar products under conditions below.

Category:LDO Linear Regulators

min (V)
max (V)
min (V)
max (V)
Functions Auto Discharge