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1A Low Noise CMOS LDO Regulator with ENABLE

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The AP2114 is CMOS process low dropout linear regulator with enable function, the regulator delivers a guaranteed 1A (Min) continuous load current. The AP2114 features low power consumption. The AP2114 is available in 1.2V, 1.5V, 1.8V, 2.5V and 3.3V regulator output and 0.8V to 5V adjustable output, and available in excellent output accuracy ±1.5%, it is also available in an excellent load regulation and line regulation performance.


  • Output Voltage Accuracy: ±1.5%
  • Output Current: 1A (Min)
  • Fold-back Short Current Protection: 50mA
  • Low Dropout Voltage (3.3V): 450mV (Typ) @IOUT=1A
  • Stable with 4.7μF Flexible Cap: Ceramic, Tantalum and Aluminum Electrolytic
  • Excellent Line Regulation: 0.02%/V (Typ), 0.1%/V (Max) @ IOUT=30mA
  • Excellent Load Regulation: 0.2%A (Typ) @ IOUT=1mA to 1A
  • Low Quiescent Current: 60μA (1.2V/1.5V/1.8V /2.5V/ADJ)
  • Low Output Noise: 30μVRMS
  • PSRR: 68dB @ Freq=1KHz (1.2V/1.5V/1.8V/ADJ)
  • OTSD Protection
  • Operating Temperature Range: -40°C to +85°C
  • ESD: MM 400V, HBM 4000V
  • Application(s)

  • LCD Monitor
  • LCD TV
  • STB
  • Product Specifications

    Product Parameters

    Compliance (Only Automotive supports PPAP) Standard
    Output options Adjustable & Fixed
    Iout (A) 1
    Vin (Max) (V) 6
    Vin (Min) (V) 2.5
    Vout (min) 0.8
    Vout (max) 6
    Fixed Vout (V) 1.2, 1.5, 1.8, 2.5, 3.3
    Adjustabe VFB (V) 0.8
    Iq (typ) (µA) 60
    Accuracy 25C 1.50%
    Noise uV RMS 10-100 kHz 30
    VDROPOUT (Max) (V) at Max Current and Max Ouput Voltage 0.75
    PSRR (dB) 1kHz 65
    Operating Temperature (Ambient) (°C) -40 to 85 (°C)
    Enable Active H
    Channels 1
    Output Discharge yes
    Iq (max)(µA) 80
    VCTL function no

    Technical Documents

    Recommended Soldering Techniques


    RoHS CofC

    Product Change Notices (PCNs)

    A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

    PCN # Issue Date Implementation Date Subject
    PCN-2568 2022-03-29 2022-03-29 Qualified Additional Assembly & Test (A/T) Sites, Bill of Material, and updated Data Sheets for Package Outline Dimension Change