UA78HGASC

The UA78HGASC is a voltage regulator chip manufactured by Texas Instruments
3,206 有效庫存

UA78HGASC

有效庫存3,206

The UA78HGASC is a voltage regulator chip manufactured by Texas Instruments

  • 製造商零件號 # : UA78HGASC

  • 包裝/封裝: TO-3

  • 製造商: FAIRCHILD

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

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UA78HGASC 數據表
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詳細說明

UA78HGASC is a specific model of voltage regulator manufactured by Texas Instruments. This device is designed to provide a constant output voltage of 5 volts with a maximum output current of 500mA. It features a high efficiency and low dropout voltage, making it ideal for applications where a stable power supply is required.The UA78HGASC is housed in a TO-220 package, which allows for easy mounting on a PCB. It operates over a wide input voltage range of 7V to 18V, making it suitable for a variety of power supply designs. The device also includes built-in thermal shutdown and current limiting protection features to ensure safe operation under adverse conditions.

UA78HGASC

主要特徵

  • High voltage input range up to 40V
  • Output voltage range from 1.25V to 37V
  • High efficiency up to 85%
  • Low dropout voltage
  • Adjustable output voltage with external resistors
  • Overcurrent and overtemperature protection

應用

  • Power supplies
  • Battery chargers
  • Industrial control systems
  • Instrumentation
  • Automotive applications
  • Telecommunication equipment
  • Consumer electronics
  • Medical devices
  • Robotics
  • Sensor interfaces

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。

Rohs Code No Part Life Cycle Code Obsolete
Reach Compliance Code ECCN Code EAR99
HTS Code ! 8542.39.00.01 Adjustability ADJUSTABLE
JESD-30 Code O-MBCY-W4 JESD-609 Code e0
Number of Outputs 1 Number of Terminals 4
Operating Temperature TJ-Max 125 °C Operating Temperature TJ-Min
Output Voltage1-Max 24 V Output Voltage1-Min 5 V
Package Body Material METAL Package Equivalence Code CAN4/5,.45FL
Package Shape ROUND Package Style CYLINDRICAL
Qualification Status ! Not Qualified Technology BIPOLAR
Terminal Finish Tin/Lead (Sn/Pb) Terminal Form ! WIRE
Terminal Position BOTTOM

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 UA78HGASC PDF 下載

常見問題解答

What is UA78HGASC?

The UA78HGASC is a fixed positive voltage regulator integrated circuit (IC) designed by Texas Instruments. It is part of the UA78H series of three-terminal regulators and is ideal for applications requiring a reliable, stable voltage supply, such as power supplies, industrial control systems, and automotive electronics.

How Does UA78HGASC Work?

The UA78HGASC works by regulating an input voltage to a specified output voltage level with low dropout voltage and excellent line and load regulation. It provides a fixed output of +5V, making it suitable for powering digital logic circuits, microcontrollers, and other electronic components.

How Many Pins does UA78HGASC have and What are the Functions of the Pinout Configuration?

The UA78HGASC is housed in a TO-220 package. The pinout configuration includes:

  • Input (VIN): Input voltage pin.
  • Common (COM): Common ground pin.
  • Output (VOUT): Regulated output voltage pin.

What are the Pros and Cons of UA78HGASC?

Pros:

  • Stability: Provides stable output voltage for consistent system operation.
  • Reliability: Offers robust voltage regulation for long-term performance.
  • Thermal Protection: Includes internal thermal shutdown and current limit protection.
  • Simple Design: Requires minimal external components for operation.
  • Wide Operating Temperature Range: Suitable for harsh environmental conditions.

Cons:

  • Fixed Output Voltage: Limited to a specific output voltage level, not adjustable.
  • Heat Dissipation: May require a heat sink for high power dissipation applications.
  • Dropout Voltage: May not be suitable for applications requiring low dropout voltage.

Are There Any Equivalents/Alternatives to UA78HGASC for Recommendation?

  • The LM7805 from Texas Instruments is a similar fixed voltage regulator with a +5V output.
  • Alternatives to the UA78HGASC include the L78S05CV from STMicroelectronics and the KA7805 from Fairchild Semiconductor.

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