UPC494GS

Switching Controller, Current/voltage-mode, 0.25A, 300kHz Switching Freq-Max, BIPolar, PDSO16, 0.300 INCH, PLASTIC, SOP-16
5,233 有效庫存

UPC494GS

有效庫存5,233

Switching Controller, Current/voltage-mode, 0.25A, 300kHz Switching Freq-Max, BIPolar, PDSO16, 0.300 INCH, PLASTIC, SOP-16

  • 製造商零件號 # : UPC494GS

  • 包裝/封裝: SOP-16

  • 製造商: NEC

  • 產品分類 : DC DC Switching Controllers

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。

ship1 ship2 ship3 ship4 ship5 ship6

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。

questionContent1 questionContent2 questionContent3 questionContent4 ctc pelican express chunghwa post

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。

wire

電匯

questionContent7

Paypal

cc

信用卡

western

西聯匯款

mg

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。

pg

例子

捲帶式

捲帶式

剪膠帶

剪膠帶

管或託盤

管或託盤

UPC494GS 數據表
no-price

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!

快速報價

請提交詢價 UPC494GS 或發送電子郵件給我們： Email: [email protected], 我們將在 12 小時內與您聯繫。

詳細說明

The µPC494 is an inverter control unit which provides all the control circuitry for PWM type switching regulators. Included in this device is the voltage reference, dual error amplifiers, oscillator, pulse width modulator, pulse steering flip flop, dual alternating output switches and dead-time control.FEATURES • Complete PWM power control circuit. • Adjustable dead-time (0 to 100%). • No double pulsing of same output during load transient condition. • Dual error amplifiers have wide common mode input voltage capability (−0.3 V to VCC−2 V). • Circuit architecture provides easy synchronization. • Uncommitted outputs for 250-mA sink or source. • With miss-operation prevention circuit for low level supply voltage. • Full pin-compatible TL494C.

主要特徵

  • Complete PWM power control circuit.
  • Adjustable dead-time (0 to 100%).
  • No double pulsing of same output during load transient condition.
  • Dual error amplifiers have wide common mode input voltage capability (−0.3 V to VCC−2 V).
  • Circuit architecture provides easy synchronization.
  • Uncommitted outputs for 250-mA sink or source.
  • With miss-operation prevention circuit for low level supply voltage.
  • Full pin-compatible TL494C.

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。

Part Life Cycle Code Obsolete Part Package Code SOIC
Pin Count ! 16 Reach Compliance Code
ECCN Code EAR99 HTS Code ! 8542.39.00.01
Analog IC - Other Type SWITCHING CONTROLLER Control Mode CURRENT/VOLTAGE-MODE
Control Technique PULSE WIDTH MODULATION Input Voltage-Max 40 V
Input Voltage-Min 7 V Input Voltage-Nom 15 V
JESD-30 Code R-PDSO-G16 JESD-609 Code e6
Length 10.2 mm Number of Functions 1
Number of Terminals 16 Operating Temperature-Max 85 °C
Operating Temperature-Min -20 °C Output Current-Max 0.25 A
Package Body Material PLASTIC/EPOXY Package Code SOP
Package Shape RECTANGULAR Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 260 Qualification Status ! Not Qualified
Seated Height-Max 1.8 mm Surface Mount ! YES
Switcher Configuration PUSH-PULL Switching Frequency-Max 300 kHz
Technology BIPOLAR Temperature Grade ! OTHER
Terminal Finish TIN BISMUTH Terminal Form ! GULL WING
Terminal Pitch ! 1.27 mm Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 10 Width 5.6 mm

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 UPC494GS PDF 下載

常見問題解答

What is UPC494GS?

The UPC494GS is a high-performance silicon bipolar integrated circuit designed and manufactured by NEC Electronics. It is a versatile and reliable amplifier that is commonly used in audio amplifiers, high-frequency circuits, and communication systems.

How Does UPC494GS Work?

The UPC494GS operates as a high-frequency amplifier with low noise and high gain. It is designed to accurately amplify small signals in high-frequency applications, making it suitable for use in radio frequency (RF) circuits, IF stages, and high-speed communication systems.

How Many Pins does UPC494GS have and What are the Functions of the Pinout Configuration?

The UPC494GS is housed in a 16-pin SSOP (Shrink Small Outline Package) package. The pinout configuration includes:

  • VCC: Power supply pin.
  • GND: Ground pin.
  • IN1, IN2: Differential input pins.
  • OUT: Output pin.
  • VEE: Negative power supply pin.
  • Additional pins may include compensation and frequency control pins.

What are the Pros and Cons of UPC494GS?

Pros:

  • High Frequency Performance: Well-suited for high-frequency applications.
  • Low Noise: Provides low noise amplification for high-quality signal processing.
  • Small Package Size: The 16-pin SSOP package is compact, making it suitable for space-constrained designs.

Cons:

  • External Components: May require external components for optimal performance and stability.
  • Application Specific: Designed for high-frequency amplification and may not be suitable for low-frequency applications.

Are There Any Equivalents/Alternatives to UPC494GS for Recommendation?

  • The NE35018 from New Japan Radio is an equivalent part to the UPC494GS.
  • Alternatives to the UPC494GS include the MGA-81563 from Avago Technologies and the ERA-5SM+ from Mini-Circuits.