ULN2804APG
This IC is commonly used to control high-power devices such as motors and relaysULN2804APG
This IC is commonly used to control high-power devices such as motors and relays
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服務與包裝
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例子
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ULN2804APG 數據表
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目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!
詳細說明
8ch Darlington Sink DriverThe ULN2803APG / AFWG Series are high−voltage, high−current darlington drivers comprised of eight NPN darlington pairs.All units feature integral clamp diodes for switching inductive loads.Applications include relay, hammer, lamp and display (LED) drivers.Features• Output current (single output) 500 mA (max)• High sustaining voltage output 50 V (min)• Output clamp diodes• Inputs compatible with various types of logic.• Package Type−APG : DIP−18pin• Package Type−AFWG : SOP−18pin
主要特徵
- The ULN2803APG / AFWG Series are high−voltage, high−current darlington drivers comprised of eight NPN darlington pairs.
- All units feature integral clamp diodes for switching inductive loads.
- Applications include relay, hammer, lamp and display (LED) drivers.
- Features
- Output current (single output) 500 mA (max)
- High sustaining voltage output 50 V (min)
- Output clamp diodes
- Inputs compatible with various types of logic.
- Package Type−APG : DIP−18pin
- Package Type−AFWG : SOP−18pin
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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。
Pbfree Code | Yes | Rohs Code | Yes |
Part Life Cycle Code | Obsolete | Part Package Code | DIP |
Pin Count ! | 18 | Reach Compliance Code | |
ECCN Code | EAR99 | Additional Feature ! | LOGIC LEVEL COMPATIBLE |
Collector Current-Max (IC) | 0.5 A | Collector-Emitter Voltage-Max | 50 V |
Configuration | 8 BANKS, DARLINGTON WITH BUILT-IN DIODE AND RESISTOR | DC Current Gain-Min (hFE) | 1000 |
JESD-30 Code | R-PDIP-T18 | Number of Elements | 8 |
Number of Terminals | 18 | Package Body Material | PLASTIC/EPOXY |
Package Shape | RECTANGULAR | Package Style | IN-LINE |
Peak Reflow Temperature (Cel) | NOT SPECIFIED | Polarity/Channel Type | NPN |
Qualification Status ! | Not Qualified | Surface Mount ! | NO |
Terminal Form ! | THROUGH-HOLE | Terminal Position | DUAL |
Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | Transistor Application | SWITCHING |
Transistor Element Material | SILICON |
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 ULN2804APG?
The ULN2804APG is a high-voltage, high-current Darlington transistor array designed for interfacing logic to a wide range of high-power and high-voltage loads. It is commonly used in applications such as relay drivers, stepper motor drivers, and lamp drivers.
How Does ULN2804APG Work?
The ULN2804APG works by providing a convenient solution for driving high-power loads using low-power logic signals. Each of the seven Darlington pairs inside the IC acts as a high-gain amplifier, allowing for efficient driving of loads with high voltage and current requirements. The IC can be controlled by logic signals to switch the connected loads on or off.
How Many Pins does ULN2804APG have and What are the Functions of the Pinout Configuration?
The ULN2804APG is housed in an 18-pin DIP (Dual In-line Package) or SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- COM: Common pin connected to the ground or power supply, depending on the application.
- IN1 to IN7: Input pins for controlling the corresponding Darlington pairs.
- OUT1 to OUT7: Output pins connected to the loads being driven.
- GND: Ground pin for the IC's internal circuitry.
- COM: Common pin connected to the ground or power supply, depending on the application.
What are the Pros and Cons of ULN2804APG?
Pros:
- High-Voltage Capability: Can handle high voltages, making it suitable for driving a wide range of loads.
- High-Current Capability: Capable of driving high-current loads such as motors and solenoids.
- Integrated Protection Diodes: Includes built-in freewheeling diodes for inductive load protection.
- Multiple Channels: Offers multiple Darlington pairs for driving several loads independently.
Cons:
- Power Dissipation: May generate heat when driving high-power loads, requiring thermal management.
- Size: The DIP or SOIC package may not be suitable for space-constrained designs.
Are There Any Equivalents/Alternatives to ULN2804APG for Recommendation?
- The ULN2803A from STMicroelectronics is a similar high-voltage, high-current Darlington transistor array with eight channels.
- Alternatives to the ULN2804APG include the TD62783APG from Toshiba and the M54564P from Renesas Electronics.
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