恭喜您提交成功
提交失敗
UC3843AD
Operating temperature range of 0°C to 70°C
-
製造商零件號 # : UC3843AD
-
包裝/封裝: SOIC (D)-14
-
製造商: Texas Instruments
-
產品分類 : Power Supply Controllers, Monitors
品質保證
品質保證
從我們的供應鍊網路採購的所有零件都經過嚴格的進貨檢驗流程。 這種細緻的檢查可確保客戶收到的零件是正品並符合要求的標準。 此外，我們還保存這些檢查的詳細記錄，以確保整個供應鏈的透明度和可追溯性。
認證
我們已成功獲得各項認證標準，並建立了自己的專業檢測實驗室。 這確保了我們向客戶提供的每件產品都符合最高的品質標準。 我們遵守嚴格的測試協議，以保持我們產品的一致性和準確性。 為了確保我們的產品是原裝正品，我們還與信譽良好的第三方檢測機構合作進行嚴格的品質測試。 我們對品質的承諾延伸到滿足行業、法律、監管和 ISO 9001:2015 的要求。
運輸與付款
運輸與付款
關於運送
我們通常會在幾個工作日內通過可靠的運輸公司（例如 FedEx、SF、UPS 或 DHL）運送訂單。 我們還支持其他運輸方式。 如果您想詢問具體的運輸細節或費用，請隨時與我們聯繫。
關於付款
我們接受多種支付方式，包括VISA、MasterCard、銀聯、西聯、PayPal等渠道。
如果您有特定的付款方式或想詢問費率和其他詳細信息，請隨時與我們聯繫。
電匯
Paypal
信用卡
西聯匯款
速匯金
服務與包裝
服務與包裝
About After Sales Service
All Parts Extended Quality Guarantee
自發貨之日起 90 天內發起申請。
與我們的工作人員確認退貨或換貨。
保持貨物收到時的原始狀態。
最後請注意，退貨或換貨的資格取決於對退貨商品實際狀況的評估。 在完成退貨或換貨流程之前，我們將評估收到的貨物。 如果您對退貨或換貨有任何疑問或需要進一步幫助，請隨時通過以下方式聯絡我們： [email protected]
關於包裝
在包裝方面，我們的產品均精心包裝在防靜電袋中，以提供ESD防靜電保護。 外包裝堅固耐用且閉合牢固。 我們支持各種包裝方法，例如捲帶式、切帶式、管式或託盤式。
例子
捲帶式
剪膠帶
管或託盤
UC3843AD 數據表
價格 (USD)
| 數量 | 單價 | 總價 |
|---|---|---|
| 1 | $3.122 | $3.12 |
| 200 | $1.209 | $241.80 |
| 500 | $1.166 | $583.00 |
| 1000 | $1.145 | $1,145.00 |
這些價格會受到市場波動的影響，需要提交報價才能取得最新價格。
詳細說明
The UC3843AD stands out as a high-performance current mode PWM controller, excelling in applications that demand efficient power conversion. With its impressive operational range of 7V to 30V, this controller caters to a wide array of power supply designs. Its internal oscillator, which can be personalized with an external resistor and capacitor, offers unparalleled flexibility in frequency selection. Moreover, the device comes equipped with a precision reference voltage and error amplifier, ensuring unwavering regulation of the output voltage
主要特徵
- Pulse-by-Pulse Current Limitation
- Overtemperature Shutdown Protection
- Low Dropout Voltage (Vout <1.5V)
應用
- Energy-efficient power supply
- Customizable power management
- Innovative inverter design
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。
| Topology | Boost, Buck, Flyback, Forward | Control mode | Current |
| Duty cycle (max) (%) | 100 | Switching frequency (max) (kHz) | 500 |
| Features | Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Multi-topology | UVLO thresholds on/off (V) | 8.4/7.6 |
| Operating temperature range (°C) | 0 to 70 | Rating | Catalog |
| Gate drive (typ) (A) | 1 | Vin (max) (V) | 28 |
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 UC3843AD?
The UC3843AD is a current-mode PWM controller integrated circuit designed for use in switched-mode power supplies and other power control applications. It is commonly used in applications such as DC-DC converters, LED drivers, and battery chargers.
How Does UC3843AD Work?
The UC3843AD operates by regulating the output voltage of a power supply through modulation of the duty cycle of a pulse-width modulated (PWM) signal. By comparing a feedback signal with a reference voltage, the UC3843AD adjusts the PWM signal to maintain the desired output voltage or current regulation. This control method provides high efficiency and precise power regulation.
How Many Pins does UC3843AD have and What are the Functions of the Pinout Configuration?
The UC3843AD is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- VCC: Supply voltage input pin.
- CS: Current sense input for controlling the duty cycle.
- RT: Timing resistor connection for setting oscillator frequency.
- CT: Timing capacitor connection for setting oscillator frequency.
- OUT: Output pin for the PWM signal.
- GND: Ground pin.
- FB: Feedback pin for regulating the output voltage or current.
- REF: Reference voltage pin for the feedback loop.
What are the Pros and Cons of UC3843AD?
Pros:
- Wide Operating Voltage Range: Suitable for various input voltage levels in power supply applications.
- Current-Mode Control: Provides inherent stability and ease of loop compensation.
- Adjustable Frequency: Allows flexibility in optimizing efficiency and performance.
- Protections: Offers features such as overcurrent protection and soft start for enhanced system reliability.
- Cost-Effective: Provides a cost-effective solution for power supply control.
Cons:
- External Components: May require additional external components for specific application requirements.
- Complexity: Requires careful design considerations for loop stability and noise immunity.
Are There Any Equivalents/Alternatives to UC3843AD for Recommendation?
- The UC3842A and UC3845A are alternative devices within the UC384x family from Texas Instruments, offering similar functionality with different features.
- Alternatives to the UC3843AD include the SG3524 from Microchip Technology and the TL494 from Texas Instruments.
推薦零件
-
![UC3717AN]()
UC3717AN
$4.869 Half Bridge Gate Drive ICs ROHS for 4.75V~5.25V PDIP-16
製造商: Texas Instruments 包裝/箱: PDIP-16
5,452 有存貨
貨物週期: 3~7 天
最小訂購量為 1
-
![UC3525ADW]()
3,482 有存貨
貨物週期: 3~7 天
最小訂購量為 1
-
![UC3825DW]()
6,200 有存貨
貨物週期: 3~7 天
最小訂購量為 1
-
![UC2825DW]()
7,273 有存貨
貨物週期: 3~7 天
最小訂購量為 1
-
![UCC3895DW]()
Compact SOIC package makes it ideal for space-constrained applications such as LED drivers and DC/DC converters
製造商: Texas Instruments 包裝/箱: SOIC (DW)-20
6,130 有存貨
貨物週期: 3~7 天
最小訂購量為 1
-
![UC3706N]()
UC3706N
$6.089 Dual-channel gate driver integrated circuit in DIP16 package, capable of driving up to 1.5A current with voltage input range of 5 to 40VDC
製造商: Texas Instruments 包裝/箱: PDIP (N)-16
6,840 有存貨
貨物週期: 3~7 天
最小訂購量為 1
-
![UC3717AQ]()
Device used to control and drive stepper motors in various systems
製造商: Texas Instruments 包裝/箱: PLCC-20
5,435 有存貨
貨物週期: 3~7 天
最小訂購量為 1
-
![UCD9080]()
7,480 有存貨
貨物週期: 3~7 天
最小訂購量為 1
-
![UCC28C44]()
7,407 有存貨
貨物週期: 3~7 天
最小訂購量為 1
-
![UCC28C45DGKR]()
Current Mode PWM Controller 18V 200mA 1000kHz 8-Pin VSSOP T/R
製造商: Texas Instruments 包裝/箱: VSSOP-8
5,875 有存貨
貨物週期: 3~7 天
最小訂購量為 1
-
![UC28025DW]()
6,622 有存貨
貨物週期: 3~7 天
最小訂購量為 1
-
![UC2845AQD8R]()
8,784 有存貨
貨物週期: 3~7 天
最小訂購量為 1
-
![UCC27324DR]()
7,328 有存貨
貨物週期: 3~7 天
最小訂購量為 1
-
![UCC27211ADRMR]()
8-V under voltage lockout and negative voltage handling
製造商: Texas Instruments 包裝/箱: VSON-8
6,720 有存貨
貨物週期: 3~7 天
最小訂購量為 1
-
![UCC27712DR]()
6,668 有存貨
貨物週期: 3~7 天
最小訂購量為 1
