MC78FC33HT1

LDO Regulator with 3.3V Fixed Output Voltage
3,369 有效庫存

MC78FC33HT1

有效庫存3,369

LDO Regulator with 3.3V Fixed Output Voltage

  • 製造商零件號 # : MC78FC33HT1

  • 包裝/封裝: SOT89-3

  • 零件狀態 : OBSOLETE

  • 製造商: Onsemi

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

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MC78FC33HT1 數據表
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詳細說明

Packaged in a compact SOT-223 form factor, this voltage regulator is easy to integrate into PCB designs, making it a convenient choice for automotive and industrial applications where space is at a premium. Its robust design and high efficiency make it a standout option for projects requiring a reliable power source. Whether you're working on a DIY electronics project or a commercial application, the MC78FC33HT1 is a solid choice for your voltage regulation needs

主要特徵

  • Ultra–Low Quiescent Current of 1.1 µA Typical
  • Ultra–Low Dropout Voltage (100 mV at 10 mA)
  • Large Output Current (up to 120 mA)
  • Excellent Line Regulation (0.1%)
  • Wide Operating Voltage Range (2.0 V to 10 V)
  • High Accuracy Output Voltage (±2.5%)
  • Wide Output Voltage Range (2.0 V to 6.0 V)
  • Surface Mount Package (SOT–89)
Onsemi Inventory

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 Mounting Style SMD/SMT
Package / Case SOT-89-3 Output Voltage 3.3 V
Output Current ! 100 mA Number of Outputs 1 Output
Polarity Positive Input Voltage, Max 10 V
Output Type Fixed Minimum Operating Temperature - 30 C
Maximum Operating Temperature ! + 80 C Dropout Voltage ! 500 mV
Series MC78FC00 Brand onsemi
Dropout Voltage - Max 700 mV at 40 mA Height 1.6 mm (Max)
Ib - Input Bias Current 1 uA Length 4.6 mm (Max)
Line Regulation ! 0.1 mV Load Regulation ! 80 mV
Pd - Power Dissipation 300 mW Product Type ! LDO Voltage Regulators
Subcategory PMIC - Power Management ICs Voltage Regulation Accuracy 2.5 %
Width 2.6 mm (Max) Unit Weight 0.004603 oz

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 MC78FC33HT1 PDF 下載

常見問題解答

What is MC78FC33HT1?

The MC78FC33HT1 is a low dropout (LDO) voltage regulator manufactured by ON Semiconductor. It is designed to provide a stable output voltage with low dropout voltage, making it ideal for applications requiring a precise and steady power supply.

How Does MC78FC33HT1 Work?

The MC78FC33HT1 operates by taking an input voltage and regulating it to produce a constant output voltage even when the input voltage varies. It utilizes a voltage reference, error amplifier, pass transistor, and feedback loop to maintain the desired output voltage. The low dropout voltage feature enables the regulator to work effectively even with small voltage differentials between the input and output.

How Many Pins does MC78FC33HT1 have and What are the Functions of the Pinout Configuration?

The MC78FC33HT1 is housed in a small 3-pin SOT-223 package. The pinout configuration includes:

  • VIN: Input voltage pin.
  • VOUT: Output voltage pin.
  • GND: Ground pin.

What are the Pros and Cons of MC78FC33HT1?

Pros:

  • Low Dropout Voltage: Provides stable output voltage even with small input-output differentials.
  • High Accuracy: Offers precise voltage regulation for sensitive components.
  • Thermal Shutdown Protection: Includes built-in protection to prevent overheating.
  • Compact Package: The SOT-223 package is space-efficient for compact designs.

Cons:

  • Limited Current Handling: May not be suitable for high current applications.
  • Heat Dissipation: Higher dropout voltages can lead to increased heat dissipation.
  • External Capacitors: May require additional capacitors for stability and noise reduction.

Are There Any Equivalents/Alternatives to MC78FC33HT1 for Recommendation?

  • Similar voltage regulators to the MC78FC33HT1 include the LM2937 from Texas Instruments and the L4931 from STMicroelectronics.
  • Alternative options to the MC78FC33HT1 are the MIC5205 from Microchip Technology and the MAX8887 from Maxim Integrated.

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