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R1131 Series
Low Voltage 300mA Voltage Regulator

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Description

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.

Spec

Standard
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

TSD Reverse Current Limit ISC Inrush ECO mode Auto Discharge External Driver PGOOD Soft Start

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

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

VIN
min (V)		 1.4
VIN
max (V)		 6.0
VOUT
min (V)		 0.8
VOUT
max (V)		 3.3
IOUT
(mA)		 300
ISS
(µA)		 60
Functions Auto Discharge

Technical Documents

  • R1131x33xx Dropout Voltage vs. Output Current

    R1131x33xx Dropout Voltage vs. Output Current

Quality & Packages

Product Name Compatibility Package Marking Reliability
R1131Dxx1x-TR-FE
  • gradeConsumer
 SON-6 R1131Dxx1 R1131Dxx1-FE
R1131Nxx1x-TR-FE
  • gradeConsumer
 SOT-23-5 R1131N R1131N-FE
  • Refer to the datasheets for the details on the product.
  • The package file or the datasheet includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.

FAQ

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Buy / Contact

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    Sales are made through distributors. Please contact your local distributors for any sales-related inquiry such as price.
  • Available from 1 piece!
    Our electronic device products are available through our authorized online distributors.
  • Technical Support
R1131 Series