AP2114H — 1 A Low-Noise CMOS LDO Regulator with Enable

{
  "schema_version": 1,
  "type": "component",
  "slug": "ap2114h",
  "title": "AP2114H — 1 A Low-Noise CMOS LDO Regulator with Enable",
  "brief": "Diodes AP2114. 1 A CMOS LDO with enable, ±1.5 % accuracy, 450 mV dropout @ 1 A, 30 µVrms noise, 60 µA Iq. 1.2/1.5/1.8/2.5/3.3 V fixed + adjustable. SOT-223 through PSOP-8.",
  "version": "1.0.0",
  "tags": [],
  "license": "MIT",
  "sample_prompts": [
    {
      "prompt": "Show me the AP2114H datasheet",
      "label": "View datasheet"
    },
    {
      "prompt": "What is the output current of the AP2114?",
      "label": "Current"
    },
    {
      "prompt": "Dropout voltage of AP2114 at 1 A",
      "label": "Dropout"
    },
    {
      "prompt": "What packages is the AP2114 available in?",
      "label": "Packages"
    },
    {
      "prompt": "AP2114 PSRR at 1 kHz",
      "label": "PSRR"
    }
  ],
  "component": {
    "mpn": "AP2114H — 1 A Low-Noise CMOS LDO Regulator with Enable",
    "manufacturer": "Diodes Incorporated",
    "package": "",
    "pin_count": null,
    "category": "LDO Linear Regulator",
    "subcategory": "",
    "body_size": null,
    "parts": {},
    "distributor_links": {}
  },
  "readme": "**Source:** [BCD Semiconductor / Diodes Incorporated AP2114 Datasheet](https://www.diodes.com/assets/Datasheets/AP2114.pdf)\n**Manufacturer:** Diodes Incorporated (BCD Semiconductor)\n**Part Number:** AP2114\n**Document:** Rev 2.2, January 2013 (1 A Low Noise CMOS LDO Regulator with Enable)\n\n## Description\n\nThe AP2114 is a CMOS process low-dropout linear regulator with enable function. The regulator delivers a guaranteed 1 A (min) continuous load current. The AP2114 is available in 1.2 V, 1.5 V, 1.8 V, 2.5 V and 3.3 V regulator output and 0.8 V to 5 V adjustable output. It features excellent output accuracy of ±1.5 %, and it is also available in an excellent load regulation and line regulation performance.\n\nThe AP2114 features low power consumption.\n\nPackages: SOT-223, TO-252-2(1) / (3) / (4), TO-263-3, SOIC-8, PSOP-8.\n\n## Key Specifications\n\n| Parameter | Value |\n| --- | --- |\n| Output Voltage Accuracy | ±1.5 % |\n| Output Current | 1 A (min) |\n| Foldback Short Circuit Protection | 50 mA |\n| Low Dropout Voltage (3.3 V) | 450 mV typ @ I<sub>OUT</sub> = 1 A |\n| Excellent Line Regulation | 0.02 %/V typ, 0.1 %/V max @ I<sub>OUT</sub> = 30 mA |\n| Excellent Load Regulation | 0.25 %/A typ @ I<sub>OUT</sub> = 1 mA to 1 A |\n| Low Quiescent Current | 60 µA (1.2 V/1.5 V/1.8 V/2.5 V/ADJ) typ |\n| Low Output Noise | 30 µV<sub>RMS</sub> |\n| PSRR | 68 dB @ 1 kHz (I<sub>OUT</sub> = 100 mA) |\n| OTSD Protection | Yes |\n| Operating Temperature Range | −40 °C to +85 °C |\n| ESD | MM 400 V, HBM 4000 V |\n| Stability | 4.7 µF flexible cap: ceramic, tantalum, aluminum electrolytic |\n\n## Features\n\n- Output voltage accuracy ±1.5 %\n- Output current 1 A (min)\n- Foldback short-circuit protection 50 mA\n- Low dropout voltage 450 mV (typ) @ I<sub>OUT</sub> = 1 A for 3.3 V version\n- Stable with 4.7 µF flexible cap: ceramic, tantalum, aluminum electrolytic\n- Excellent line regulation 0.02 % (typ), 0.1 % (max) @ I<sub>OUT</sub> = 30 mA\n- Excellent load regulation 0.25 % (typ) @ I<sub>OUT</sub> = 1 mA to 1 A\n- Low quiescent current 60 µA (1.2 V/1.5 V/1.8 V/2.5 V/ADJ)\n- Low output noise 30 µV<sub>RMS</sub>\n- PSRR 68 dB @ freq = 1 kHz (1.2 V/1.5 V/1.8 V/ADJ)\n- OTSD protection\n- Operating temperature range −40 °C to +85 °C\n- ESD: MM 400 V, HBM 4000 V\n\n## Applications\n\n- LCD monitor\n- LCD TV\n- Set-top box (STB)\n\n## Pin Configuration\n\nMultiple packages available. Top-view mapping:\n\n| Package | Pin 1 | Pin 2 | Pin 3 | Pin 4 (if 4+) | Notes |\n| --- | --- | --- | --- | --- | --- |\n| H/HA (SOT-223) | GND | V<sub>OUT</sub> (2), V<sub>OUT</sub> tab | V<sub>IN</sub> | — | HA variant swaps order |\n| S (TO-263-3) | GND | V<sub>OUT</sub> | V<sub>IN</sub> | — | Tab = V<sub>OUT</sub> |\n| D/DA (TO-252-2) | GND | V<sub>OUT</sub> | V<sub>IN</sub> | — | Multiple pin-orientation variants (1)/(3)/(4) |\n| M (SOIC-8, Fixed) | GND | V<sub>OUT</sub> | GND | V<sub>IN</sub> | EN on pin 8; pins 5-7 are additional GND |\n| M (SOIC-8, Adjustable) | V<sub>OUT</sub> | GND | ADJ | V<sub>IN</sub> | EN on pin 8; pin 6 = ADJ |\n| MP (PSOP-8, Fixed) | GND | V<sub>OUT</sub> | GND | V<sub>IN</sub> | Same as SOIC-8 layout |\n| MP (PSOP-8, Adjustable) | V<sub>OUT</sub> | GND | ADJ | V<sub>IN</sub> | Same as SOIC-8 adjustable layout |\n\nEN (pin 8 on SOIC/PSOP): Chip Enable. H = normal work, L = shutdown output.\n\n## Absolute Maximum Ratings\n\n| Parameter | Symbol | Value | Unit |\n| --- | --- | --- | --- |\n| Power Supply Voltage | V<sub>IN</sub> | 6.5 | V |\n| Operating Junction Temperature | T<sub>J</sub> | 150 | °C |\n| Storage Temperature Range | T<sub>STG</sub> | −65 to 150 | °C |\n| Lead Temperature (Soldering, 10 s) | T<sub>LEAD</sub> | 260 | °C |\n| θ<sub>JA</sub> (SOIC-8) | — | 144 | °C/W |\n| θ<sub>JA</sub> (PSOP-8) | — | 43.7 | °C/W |\n| θ<sub>JA</sub> (SOT-223) | — | 55.9 | °C/W |\n| θ<sub>JA</sub> (TO-252-2 (1)(3)(4)) | — | 35 | °C/W |\n| θ<sub>JA</sub> (TO-263-3) | — | 22 | °C/W |\n| ESD (Machine Model) | — | 400 | V |\n| ESD (Human Body Model) | — | 4000 | V |\n\n## Recommended Operating Conditions\n\n| Parameter | Symbol | Min | Max | Unit |\n| --- | --- | --- | --- | --- |\n| Supply Voltage | V<sub>IN</sub> | 2.5 | 6.0 | V |\n| Operating Ambient Temperature Range | T<sub>A</sub> | −40 | +85 | °C |\n\n## Electrical Characteristics\n\nAP2114-1.2 electrical characteristics: V<sub>IN</sub> = 2.5 V, C<sub>IN</sub> = 4.7 µF (ceramic), C<sub>OUT</sub> = 4.7 µF (ceramic), T<sub>A</sub> = 25 °C typical. **Bold** applies over −40 to +85 °C unless otherwise specified.\n\n| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |\n| --- | --- | --- | --- | --- | --- | --- |\n| Output Voltage | V<sub>OUT</sub> | V<sub>IN</sub> = 2.5 V, 1 mA ≤ I<sub>OUT</sub> ≤ 30 mA | V<sub>OUT</sub>·98.5 % | 1.2 | V<sub>OUT</sub>·101.5 % | V |\n| Input Voltage | V<sub>IN</sub> | | | | 6.0 | V |\n| Maximum Output Current | I<sub>OUT(MAX)</sub> | V<sub>IN</sub> = 2.5 V, V<sub>OUT</sub> ≥ 1.182 V to 1.218 V | 1 | | | A |\n| Load Regulation | ΔV<sub>OUT</sub>/V<sub>OUT</sub>/ΔI<sub>OUT</sub> | V<sub>IN</sub> = 2.5 V, 1 mA ≤ I<sub>OUT</sub> ≤ 1 A | | 0.2 | 1 | %/A |\n| Line Regulation | ΔV<sub>OUT</sub>/V<sub>OUT</sub>/V<sub>IN</sub> | 2.5 V ≤ V<sub>IN</sub> ≤ 6 V, I<sub>OUT</sub> = 30 mA | −0.1 | 0.02 | 0.1 | %/V |\n| Dropout Voltage | V<sub>DROP</sub> | I<sub>OUT</sub> = 1 A | | 1200 | 1300 | mV |\n| Quiescent Current | I<sub>Q</sub> | V<sub>IN</sub> = 2.5 V, I<sub>OUT</sub> = 0 mA | | 60 | 75 | µA |\n| PSRR | — | Ripple 1 V<sub>p-p</sub>, V<sub>IN</sub> = 2.5 V, I<sub>OUT</sub> = 100 mA, f = 100 Hz | | 68 | | dB |\n| PSRR | — | f = 1 kHz | | 68 | | dB |\n| Output Voltage Temperature Coefficient | ΔV<sub>OUT</sub>/V<sub>OUT</sub>/ΔT | I<sub>OUT</sub> = 30 mA, T<sub>A</sub> = −40 °C to 85 °C | | ±30 | | ppm/°C |\n| Short Current Limit | I<sub>SHORT</sub> | V<sub>OUT</sub> = 0 V | | 50 | | mA |\n| Standby Current | I<sub>STD</sub> | V<sub>IN</sub> = 2.5 V, V<sub>EN</sub> in OFF mode | | 0.01 | 1.0 | µA |\n| RMS Output Noise | V<sub>NOISE</sub> | 10 Hz ≤ f ≤ 100 kHz (No Load) | | 30 | | µV<sub>RMS</sub> |\n| V<sub>EN</sub> High Voltage | V<sub>IH</sub> | Enable logic high, regulator on | 1.5 | | | V |\n| V<sub>EN</sub> Low Voltage | V<sub>IL</sub> | Enable logic low, regulator off | | | 0.4 | V |\n| Start-up Time | t<sub>S</sub> | No load | | 20 | | µs |\n| EN Pull-Down Resistor | R<sub>PD</sub> | | | 3.0 | | MΩ |\n| V<sub>OUT</sub> Discharge Resistor | R<sub>DCHG</sub> | Set EN pin at Low | | 60 | | Ω |\n| Thermal Shutdown Temperature | T<sub>OTSD</sub> | | | 160 | | °C |\n| Thermal Shutdown Hysteresis | T<sub>HYSTSD</sub> | | | 25 | | °C |\n\n## Packages\n\nAvailable as:\n- SOT-223 (H/HA)\n- TO-263-3 (S)\n- TO-252-2 (D, DA, various pin orientations (1), (3), (4))\n- SOIC-8 (M)\n- PSOP-8 (MP)\n\nOutput voltages: 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, and adjustable (0.8 V – 5.0 V).\n\n## Applications\n\n- LCD monitor\n- LCD TV\n- Set-top box (STB)\n\n### Usage notes\n\n- Input and output require ceramic, tantalum, or aluminum electrolytic capacitors; 4.7 µF is a flexible default.\n- The EN pin has a 3 MΩ internal pull-down, so it defaults OFF if left floating.\n- At shutdown (EN low), V<sub>OUT</sub> is actively pulled down through a 60 Ω discharge resistor.\n- To prevent short-circuit protection from being prematurely activated, the input voltage must be applied before a current-source load is applied.\n",
  "author": {
    "id": "695820315b5f1e4db2fcf602",
    "name": "Kyle Bergstedt",
    "email": "[email protected]"
  },
  "visibility": {
    "public": true
  },
  "hero": null,
  "discovery_triggers": [],
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  "metadata": {},
  "created_at": "2026-05-28T05:36:50.583Z",
  "updated_at": "2026-05-28T05:36:50.583Z"
}