ULN2003ADRG4
Darlington Transistors Hi-Vltg Hi-Crnt Darl Transistor ArraysULN2003ADRG4
Darlington Transistors Hi-Vltg Hi-Crnt Darl Transistor Arrays
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製造商零件號 # : ULN2003ADRG4
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包裝/封裝: SOIC-16
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製造商: Texas Instruments
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產品分類 : Power Distribution Switches, Load Drivers
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ULN2003ADRG4 數據表
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詳細說明
The ULN2003ADRG4 is designed to work seamlessly with various input voltages, including 14-V to 25-V PMOS devices. With features like Zener diodes and resistors in series to control input current, this device ensures safe and efficient operation in any setting
主要特徵
- Automatic Voltage Regulation
- High-Speed Switching Applications
- Low-Voltage Operation: 3V Min
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。
Drivers per package | 7 | Switching voltage (max) (V) | 50 |
Output voltage (max) (V) | 50 | Peak output current (A) | 0.5 |
Delay time (typ) (ns) | 250 | Input compatibility | CMOS, TTL |
Vol at lowest spec current (typ) (mV) | 900 | Iout/ch (max) (mA) | 500 |
Iout_off (typ) (µA) | 50 | Rating | Catalog |
Operating temperature range (°C) | -40 to 70 | FET | Internal |
Imax (A) | 0.5 | Device type | Low-side switches |
Function | Automotive load dump compatibility, Inductive load compatibility |
Specification Comparison
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。
常見問題解答
What is ULN2003ADRG4?
The ULN2003ADRG4 is a high-voltage, high-current Darlington transistor array designed by Texas Instruments. It is commonly used for driving inductive loads such as relays, motors, and solenoids in various applications including robotics, automation, and automotive systems.
How Does ULN2003ADRG4 Work?
The ULN2003ADRG4 operates by providing a convenient way to interface low-level control signals from a microcontroller or logic circuit to high-current loads. It consists of seven Darlington transistor pairs with built-in diodes for back EMF protection. When driven by input signals, the transistors amplify the current to switch the connected load on or off with minimal voltage drop.
How Many Pins does ULN2003ADRG4 have and What are the Functions of the Pinout Configuration?
The ULN2003ADRG4 is housed in a 16-lead SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- COM: Common connection for the emitter of each Darlington pair.
- Output 1-7: Individual output pins for each Darlington pair.
- Input 1-7: Individual input pins for each Darlington pair.
- GND: Ground connection for the IC.
What are the Pros and Cons of ULN2003ADRG4?
Pros:
- High Voltage and Current Capability: Suitable for driving demanding inductive loads.
- Integrated Protection Diodes: Offers built-in diodes for protection against back EMF.
- Multiple Outputs: Provides seven Darlington pairs for driving multiple loads independently.
- Easy Interface: Simplifies the connection between low-level logic signals and high-current devices.
Cons:
- Power Dissipation: May generate heat due to high current handling, requiring proper heat sinking in some applications.
- Complexity: The Darlington configuration may introduce additional voltage drop compared to single transistors.
Are There Any Equivalents/Alternatives to ULN2003ADRG4 for Recommendation?
- The ULN2803A from Texas Instruments is a similar high-voltage, high-current Darlington array with eight channels.
- Alternatives to the ULN2003ADRG4 include the MC1413 from ON Semiconductor and the STP16NF06L from STMicroelectronics.
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