UCC3813PW-4G4 Allicdata Electronics
Allicdata Part #:

UCC3813PW-4G4-ND

Manufacturer Part#:

UCC3813PW-4G4

Price: $ 1.54
Product Category:

Integrated Circuits (ICs)

Manufacturer: Texas Instruments
Short Description: IC REG CTRLR PWM CM 8TSSOP
More Detail: Converter Offline Boost, Buck, Flyback, Forward To...
DataSheet: UCC3813PW-4G4 datasheetUCC3813PW-4G4 Datasheet/PDF
Quantity: 1000
300 +: $ 1.39860
Stock 1000Can Ship Immediately
$ 1.54
Specifications
Duty Cycle: 49%
Base Part Number: UCC3813-4
Mounting Type: Surface Mount
Supplier Device Package: 8-TSSOP
Package / Case: 8-TSSOP (0.173", 4.40mm Width)
Operating Temperature: -55°C ~ 150°C (TJ)
Control Features: Frequency Control
Fault Protection: --
Frequency - Switching: 1MHz
Series: --
Voltage - Supply (Vcc/Vdd): 8.3 V ~ 12 V
Voltage - Start Up: 12.5V
Topology: Boost, Buck, Flyback, Forward
Voltage - Breakdown: --
Internal Switch(s): Yes
Output Isolation: Non-Isolated
Part Status: Active
Packaging: Tube 
Description

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The UCC3813PW-4G4 is an AC/DC converter, which is an ideal solution for carrying out power-conversion applications. The 4-channel PWM controller features integrated high and low-side MOSFET drivers, a SenseFET for current sensing, and pulse-width modulation (PWM).

Overview

The UCC3813PW-4G4 is a 4-channel power factor corrected (PFC) ac/dc converter that offers a solution for performing the power-conversion task in SMPS (switched-mode power-supply) applications. With the 4-PWM channels, it can provide 4 independent outputs. The integrated high-side and low-side MOSFET drivers, along with the SenseFET for current sensing, make it suitable for carrying out a variety of power-conversion applications at a wide range of power levels. The power levels can range from hundreds of milliwatts to hundreds of watts.

The 4-channel PWM includes a slope compensation and a dead-time control circuit that helps in controlling the switching frequency, while the PFC function helps in reducing the line current distortion and improving the power-factor correction. This ensures a higher degree of power efficiency. The UCC3813PW-4G4 is designed to operate up to 48V and is available in a 4-mm × 4-mm, 10-pin LLP package.

Features and Benefits

  • Integrated high-side and low-side MOSFET drivers
  • SenseFET for current sensing
  • Slope compensation and dead-time control circuit to control switching frequency
  • Power factor correction (PFC) for reducing current distortion
  • 4-mm × 4-mm, 10-pin LLP package
  • Small size, low power, and low cost

Applications

The UCC3813PW-4G4 is suitable for both the standby and the main power supply of applications such as LCD monitors, digital TVs, digital cable converters, game consoles, instrumentation, and various other power-conversion applications that require an AC input.

Working Principle

The UCC3813PW-4G4 uses four independent channels to carry out PWM control of the AC/DC converter. The PWM control with its integrated high-side and low-side MOSFET drivers, along with the SenseFET for current sensing, is ideal for providing accurate and reliable power-conversion. The power-factor correction (PFC) enhances the efficiency of the converter by reducing the current distortion.

The UCC3813PW-4G4 also includes a dead-time control circuit and a slope compensation circuit to control the switching frequency. This ensures that the power-conversion network is operating at an optimal level to deliver efficient power-conversion over varying loads, temperatures, and AC input conditions.

The specific data is subject to PDF, and the above content is for reference

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