NCP1117DT33

LDO Regulator for 1A Output
6,195 有效庫存

NCP1117DT33

有效庫存6,195

LDO Regulator for 1A Output

  • 製造商零件號 # : NCP1117DT33

  • 包裝/封裝: TO-252-3

  • 製造商: Onsemi

  • 產品分類 : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

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NCP1117DT33 數據表
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詳細說明

In addition to its performance benefits, the NCP1117DT33 includes built-in overcurrent and thermal protection features. These safety measures ensure that the regulator can operate reliably under various conditions, protecting both the device and the surrounding components from potential damage. Whether used in routers, switches, or other electronic devices, this regulator offers peace of mind with its comprehensive protection mechanisms

主要特徵

  • Fixed output voltage of 3.3V
  • Low drop-out voltage, typically 1.1V at 800mA
  • Thermal shutdown and current limit protection
  • Available in DPAK-3 package
  • Wide input voltage range of 4.75V to 20V
  • Ideal for low-power applications requiring a stable 3.3V output voltage

    • 應用

    • Amplify with audio
    • Electrify your car
    • Control your systems

    規格

    以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

    Product Category ! LDO Voltage Regulators RoHS N
    Mounting Style SMD/SMT Package / Case TO-252-3
    Output Voltage 3.3 V Output Current ! 1 A
    Number of Outputs 1 Output Polarity Positive
    Quiescent Current ! 10 mA Input Voltage, Max 20 V
    Output Type Fixed Minimum Operating Temperature 0 C
    Maximum Operating Temperature ! + 125 C Dropout Voltage ! 950 mV
    Series NCP1117 Brand onsemi
    Dropout Voltage - Max 1.1 V at 100 mA Height 2.38 mm (Max)
    Ib - Input Bias Current 6 mA Length 6.73 mm (Max)
    Line Regulation ! 0.8 mV Load Regulation ! 4.3 mV
    Product Type ! LDO Voltage Regulators Factory Pack Quantity 75
    Subcategory PMIC - Power Management ICs Voltage Regulation Accuracy 1 %
    Width 6.22 mm (Max) Unit Weight 0.012346 oz

    Specification Comparison

    NCP1117DT18G vs NCP1117IST33T3G vs NCP1117DT33

    數據表 PDF

    數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

    初步規格 NCP1117DT33 PDF 下載

    常見問題解答

    What is NCP1117DT33?

    The NCP1117DT33 is a low dropout voltage regulator (LDO) designed by ON Semiconductor. It is a 3.3V fixed output voltage regulator capable of delivering up to 1A of output current. The device is suitable for various applications, including voltage regulation in portable devices, battery-powered systems, and industrial equipment.

    How Does NCP1117DT33 Work?

    The NCP1117DT33 regulates the input voltage to a stable 3.3V output using an internal feedback mechanism. When the input voltage is higher than 3.3V, the regulator adjusts its internal circuitry to maintain a constant output voltage, ensuring a reliable power supply for connected circuits and components.

    How Many Pins does NCP1117DT33 have and What are the Functions of the Pinout Configuration?

    The NCP1117DT33 is housed in a 4-lead TO-252 package. The pinout configuration includes:

    • VIN: Input voltage pin.
    • VOUT: Output voltage pin.
    • GND: Ground pin.
    • ADJ: Adjustable pin for voltage trimming (not used in the fixed 3.3V version).

    What are the Pros and Cons of NCP1117DT33?

    Pros:

    • High Output Current: Capable of delivering up to 1A of output current.
    • Low Dropout Voltage: Maintains regulation with a very small voltage drop between input and output.
    • Thermal Shutdown Protection: Includes built-in thermal shutdown protection for increased reliability.
    • Small Package: The TO-252 package is space-efficient and suitable for space-constrained designs.
    • Fixed Voltage Output: The 3.3V fixed output voltage eliminates the need for an external voltage divider or feedback network.

    Cons:

    • Heat Dissipation: May require additional heat sinking in high-power applications to manage thermal dissipation.
    • Noisier than Some LDO Regulators: May exhibit slightly higher output noise compared to some other LDO regulators.

    Are There Any Equivalents/Alternatives to NCP1117DT33 for Recommendation?

    Possible equivalents to the NCP1117DT33 include the LM1117 from Texas Instruments and the MIC5205 from Microchip Technology, both of which offer low dropout voltage regulation in various output voltage options.

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