Pin Function Grouping

adrian95

adrian95

Looking at the datasheet of this component, can you group together pins by their functions? for example for Power, 3v3, gnd_1 gnd_2 etc

flux

From the AP2112 datasheet’s SOT25 pin table, I’d group the pins like this:

Table

Functional groupPins
Power InputVIN — Pin 1
GroundGND — Pin 2
ControlEN — Pin 3
No ConnectNC — Pin 4
Power Output / 3V3VOUT — Pin 5
For Flux properties, I’d use: VIN → Power, GND → Ground, EN → Control, NC → No Connect, and VOUT → 3V3 / Power Output.
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    Assets

    AP2204K-1.5

    AP2204K-1.5

    defaultDefault
    step

    SOT-23-5.step

    3D3D Model
    kicad_mod

    SOT-23-5.kicad_mod

    FOOTPRINT_V5Footprint
    SOT-23-5.png

    SOT-23-5.png

    SOT-23-5Thumbnail

    AP2112K-3.3TRG1

    AP2112K-3.3TRG1 thumbnail
    Linear Voltage Regulator IC Positive Fixed 1 Output 600mA SOT-25 3.3V LDO AP2112K-3.3
    The AP2112K-3.3TRG1 is a low dropout (LDO) linear voltage regulator designed to provide a stable 3.3V output from a higher input voltage. It is optimized for low noise, high power supply rejection ratio (PSRR), and low quiescent current, making it suitable for battery-powered and noise-sensitive applications. The device features current limiting and thermal shutdown protection, ensuring reliable operation under fault conditions. It is commonly used in portable electronics, RF modules, microcontroller power supplies, and other low-power systems.
    Key Features
    Fixed output voltage: 3.3V Output current: up to 600 mA Low dropout voltage: ~250 mV at 300 mA load High PSRR: up to 70 dB at 1 kHz Low quiescent current: typically 55 µA Stable with low ESR ceramic capacitors Built-in overcurrent protection Thermal shutdown protection Fast transient response
    Absolute Maximum Ratings
    Input Voltage (VIN): up to 6.5 V Output Current: Internally limited Operating Junction Temperature: -40°C to +125°C Storage Temperature: -65°C to +150°C
    Electrical Characteristics (Typical values unless otherwise specified)
    Output Voltage Accuracy: ±2% Dropout Voltage: 250 mV @ 300 mA 400 mV @ 600 mA Line Regulation: 0.05%/V Load Regulation: 0.2% Quiescent Current: 55 µA Shutdown Current: <1 µA PSRR: 70 dB @ 1 kHz 45 dB @ 10 kHz
    Pin Configuration (SOT-23-5 / SC-70-5)
    VIN – Input voltage GND – Ground EN – Enable (active high) NC – No connection VOUT – Regulated output (3.3V)
    Package Information
    Package Type: SOT-23-5 (TRG1 suffix indicates tape & reel) Mounting: Surface mount Small footprint suitable for compact PCB layouts
    Typical Applications
    Battery-powered devices Wireless modules (Wi-Fi, Bluetooth, RF) Microcontroller and FPGA power supplies Portable consumer electronics Sensor and analog circuits requiring low noise
    Compliance & Reliability
    RoHS compliant Lead-free package Designed for high reliability and long operational life
    #CommonPartsLibrary #IntegratedCircuit #PowerManagement #LinearRegulator #VoltageRegulator

    Properties

    Integrated Circuit

    diodes.com/assets/Datasheets/AP2112.pdf

    AP2112K-3.3TRG1

    Diodes Incorporated

    U

    creativecommons.org/licenses/by/4.0/

    parametric-v1

    Pricing & Availability

    Distributor

    Qty 1

    Controls