R1122 Series
Low Noise 150mA Voltage Regulator

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  • Description

    The R1122 Series are CMOS-based LDO regulators featuring 150mA output. High ripple rejection and excellent load transient response of the series make the product ideally suited for use in power source for hand-held communication equipment. The polarity of the CE pin can be selected.

  • Spec
    Consumer
    Input Voltage Range 2.0 V to 6.0 V (7.0 V)
    Operating Temperature Range -40°C to 85°C (125°C)
    Supply Current Typ. 100 µA
    Standby Current Typ. 0.1 µA
    Output Voltage Range 1.5 V to 5.0 V (0.1 V step)
    Output Voltage Accuracy ±2.0% (Ta = 25°C)
    Output Voltage Temperature Coefficient Typ. ±100 ppm/°C
    Dropout Voltage Typ. 0.19 V (IOUT = 100 mA, 3.0 V output)
    Line Regulation Typ. 0.05%/V
    Output Current 150 mA
    Ripple Rejection Typ. 80 dB (f = 1kHz)
    Package SOT-23-5

    Protections / Functions

    TSD Reverse Current Limit ISC Inrush Constant Slope ECO mode Auto Discharge External Driver
  • Technical
    Documents
    • R1122N301B Dropout Voltage vs. Output Current

      R1122N301B Dropout Voltage vs. Output Current

  • Quality &
    Packages
    • 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    • Please contact us or our distributors for unpublished reliability information.

Download Datasheet

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)
2.0
VIN
max (V)
6.0
VOUT
min (V)
1.5
VOUT
max (V)
5.0
IOUT
(mA)
150
ISS
(µA)
100