TEA1620P

Switching Regulator/Controller, Voltage-mode, 200kHz Switching Freq-Max, BICMOS, PDIP8,
5,805 有效庫存

TEA1620P

有效庫存5,805

Switching Regulator/Controller, Voltage-mode, 200kHz Switching Freq-Max, BICMOS, PDIP8,

  • 製造商零件號 # : TEA1620P

  • 包裝/封裝: DIP-8

  • 製造商: NXP

  • 產品分類 : Voltage Regulators - DC DC Switching Regulators

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TEA1620P 數據表
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詳細說明

General description The TEA1620P is a Switched Mode Power Supply (SMPS) controller IC that operates directly from the rectified universal mains. It is implemented in the high voltage EZ-HV™ SOI process, combined with a low voltage BICMOS process. The device includes a high voltage power switch and a circuit for start-up directly from the rectified mains voltage. A dedicated circuit for valley switching is built in, which makes a very efficient slim-line electronic power-plug concept possible.Features ■ Designed for general purpose supplies ■ Integrated power switch: 48 Ω and 650 V ■ Operates from universal AC mains supplies: 80 V to 276 V ■ Adjustable frequency for flexible design ■ RC oscillator for load insensitive regulation loop constant ■ Valley switching for minimum switch-on loss ■ Frequency reduction at low power output for low standby power: <100 mW ■ Adjustable overcurrent protection ■ Undervoltage protection ■ Temperature protection ■ Short winding protection ■ Safe restart mode for system fault conditions ■ Simple application with both primary and secondary (opto) feedback ■ Available in 8-pin DIP package.Applications ■ Chargers ■ Adapters ■ TV and monitor standby supplies ■ PC peripherals.

主要特徵

  • Designed for general purpose supplies
  • Integrated power switch: 48 Ω and 650 V
  • Operates from universal AC mains supplies: 80 V to 276 V
  • Adjustable frequency for flexible design
  • RC oscillator for load insensitive regulation loop constant
  • Valley switching for minimum switch-on loss
  • Frequency reduction at low power output for low standby power: <100 mW
  • Adjustable overcurrent protection
  • Undervoltage protection
  • Temperature protection
  • Short winding protection
  • Safe restart mode for system fault conditions
  • Simple application with both primary and secondary (opto) feedback
  • Available in 8-pin DIP package.

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 Yes Part Life Cycle Code Transferred
Reach Compliance Code ECCN Code EAR99
HTS Code ! 8542.39.00.01 Control Mode VOLTAGE-MODE
JESD-30 Code R-PDIP-T8 JESD-609 Code e4
Number of Terminals 8 Operating Temperature-Max 85 °C
Operating Temperature-Min -20 °C Package Body Material PLASTIC/EPOXY
Package Code DIP Package Equivalence Code DIP8,.3
Package Shape RECTANGULAR Package Style IN-LINE
Qualification Status ! Not Qualified Surface Mount ! NO
Switching Frequency-Max 200 kHz Technology BICMOS
Temperature Grade ! OTHER Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form ! THROUGH-HOLE Terminal Pitch ! 2.54 mm
Terminal Position DUAL

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 TEA1620P PDF 下載

常見問題解答

What is TEA1620P?

The TEA1620P is a green-mode pulse width modulation (PWM) controller IC designed by NXP Semiconductors. It is commonly used in power supply circuits for energy-efficient applications, such as low standby power adapters, chargers, and auxiliary power supplies.

How Does TEA1620P Work?

The TEA1620P operates as a PWM controller that regulates the power output by controlling the switching of power transistors. It incorporates green-mode technology to improve efficiency during light load conditions by reducing power consumption. The IC features built-in protection functions such as overvoltage protection, overcurrent protection, and overtemperature protection.

How Many Pins does TEA1620P have and What are the Functions of the Pinout Configuration?

The TEA1620P is housed in an 8-pin DIP (Dual Inline Package) or SO (Small Outline) package. The pinout configuration includes:

  • VCC: Supply voltage pin.
  • GND: Ground pin.
  • FB: Feedback pin for regulation control.
  • RT: External resistor connection for setting the switching frequency.
  • CS: Current sense input for overcurrent protection.
  • DRAIN: Power MOSFET drain connection.
  • COMP: Compensation pin for loop stability.
  • NC: No Connection pin.

What are the Pros and Cons of TEA1620P?

Pros:

  • Green-Mode Operation: Enhances energy efficiency and reduces standby power consumption.
  • Integrated Protections: Offers built-in protection features for reliable operation and system safety.
  • Compact Package: Available in space-saving DIP or SO packages for easy integration.
  • Regulation Control: Provides feedback and compensation pins for stable power supply regulation.
  • Cost-Effective Solution: Offers a cost-effective solution for low-power applications.

Cons:

  • Limited Features: May not have advanced control functions compared to higher-end PWM controllers.
  • External Component Requirement: Requires external components for full functionality in power supply designs.
  • Application Specific: Best suited for low-power applications and may not be suitable for high-power systems.

Are There Any Equivalents/Alternatives to TEA1620P for Recommendation?

  • An equivalent part to the TEA1620P is the KA3842A from Fairchild Semiconductor.
  • Alternatives to the TEA1620P include the TNY264P from Power Integrations and the UC3842 from Texas Instruments.

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