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UCC2897APWR High Efficiency Power Management Integrated Circuit Output Current 2A

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UCC2897APWR High Efficiency Power Management Integrated Circuit Output Current 2A

China UCC2897APWR High Efficiency Power Management Integrated Circuit Output Current 2A supplier

Large Image :  UCC2897APWR High Efficiency Power Management Integrated Circuit Output Current 2A

Product Details:

Brand Name: TI
Model Number: UCC2897APWR

Payment & Shipping Terms:

Minimum Order Quantity: Contact us
Price: Contact us
Packaging Details: TSSOP20
Delivery Time: The goods will be shipped within 3 days once received fund
Payment Terms: Paypal, Western Union, TT
Supply Ability: 50000 Pieces per Day
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Detailed Product Description
Output Current: 2 A Operating Supply Voltage: 12 V
Minimum Operating Temperature: - 40 C Maximum Operating Temperature: + 125 C
Condition: Original 100%,New And Original Stock Status: In Stock

UCC2897APWR Power Path Management IC Switching Controllers Adv Crnt-Mode Active Clamp PWM Controller


1 Features

  • Low-Output Jitter
  • Soft-Stop Shutdown of MAIN and AUX

  • 110-V Input Startup Function

  • Ideal for Active-Clamp, Reset-Forward, Flyback and Synchronous Rectifier Uses

  • Provides Complementary Auxiliary Driver with Programmable Dead Time (Turn-On Delay) between AUX and MAIN Switches

  • Peak Current-Mode Control with 0.5-V Cycle-by- Cycle Current Limiting

  • TrueDriveTM 2-A Sink, 2-A Source Outputs

  • Trimmed Internal-Bandgap Reference for Accurate Line UV and Line OV Threshold

  • Programmable Slope Compensation

  • High-Performance 1-MHz Synchronizable Oscillator with Internal Timing Capacitor

  • Precise Programmable Maximum Duty Cycle

  • PB-Free Lead Finish Package


2 Applications

  • High-Efficiency DC-to-DC Power Supplies

  • Server Power, 48-V Telecom, Datacom, and 42-V Automotive Applications


3 Description

The UCC2897A PWM controller simplifies implementation of the various active clamp or reset and synchronous rectifier switching power topologies.

The UCC2897A is a peak current-mode fixed- frequency high-performance pulse-width modulator. The controller includes the logic and the drive capability for the P-channel auxiliary switch along with a simple method of programming the critical delays for proper active-clamp operation.

Features include an internal programmable slope compensation circuit, precise DMAX limit, and a synchronizable oscillator with an internal-timing capacitor. An accurate line-monitoring function also programs the ON and OFF transitions of the converter with regard to the bulk input voltage, VIN.

The UCC2897A adds a second-level hiccup-mode current-sense threshold, bi-directional synchronization and input-overvoltage protection functionalities. The UCC2897A is offered in 20-pin TSSOP (PW) and 20-pin QFN (RGP) packages.

Device Information

UCC2897A TSSOP (20) 6.60 mm x 6.60 mm
VQFN (20) 4.15 mm x 4.15 mm

Contact Details

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