UCC2893PW
Category: PMIC - Voltage Regulators - DC DC Switching Controllers
Description: CURRENT MODE ACTIVE CLAMP PWM CONTROLLER
Price range ($)
2.01732 3.98145
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UCC2893PW
UCC2893PW has several brands around the world that may have alternate names for UCC2893PW due to regional differences or acquisition. UCC2893PW may also be known as the following names:
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Description
UCC2893PW
Stock:9999 |
UC |
CURRENT MODE ACTIVE CLAMP PWM CONTROLLER |
≥1: US $3.98145 US $3.58331 ≥5: US $2.65430 US $2.38887 ≥10: US $2.38887 US $2.14998 ≥20: US $2.32251 US $2.09026 ≥50: US $2.25616 US $2.03055 ≥100: US $2.18980 US $1.97082 ≥200: US $2.12344 US $1.91110 ≥500: US $2.09690 US $1.88721 ≥1000: US $2.05708 US $1.85137
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Inquiry
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UCC2893PW
Stock:9999 |
Texas Instruments |
IC REG CTRLR MULT TOP 16TSSOP |
≥1: US $3.90450 US $3.51405 ≥5: US $2.60300 US $2.34270 ≥10: US $2.34270 US $2.10843 ≥20: US $2.27762 US $2.04986 ≥50: US $2.21255 US $1.99129 ≥100: US $2.14748 US $1.93273 ≥200: US $2.08240 US $1.87416 ≥500: US $2.05637 US $1.85073 ≥1000: US $2.01732 US $1.81559
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Inquiry
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FEATURES
● Low Output Jitter
● Soft?Stop Shutdown of MAIN and AUX
● Ideal for Active Clamp/Reset Forward, Flyback Converters
● Provides Complementary Auxiliary Driver with Programmable Deadtime (Turn-On Delay) between AUX and MAIN Switches
● Peak Current-Mode Control with Cycle-by-Cycle Current Limiting
● 110-V Input Startup Regulator on UCC2891/3
● TrueDrive 2-A Sink, 2-A Source Outputs
● Accurate Line UV and Line OV Threshold
● Programmable Slope Compensation
● 1.0-MHz Synchronizable Oscillator
● Precise Programmable Maximum Duty Cycle
● Programmable Soft Start
APPLICATIONS
● 150-W to 700-W SMPS
● High-Efficiency, Low EMI/RFI Off-Line or DC/DC Converters
● Server, 48-V Telecom, Datacom
● High Power Adapter, LCD-TV and PDP-TV
DESCRIPTION
The UCC2891/2/3/4 family of PWM controllers is designed to simplify implementation of the various active clamp/reset switching power topologies.
The UCC289x is a peak current-mode, fixed-frequency, high-performance pulse width modulator.
It includes the logic and the drive capability for the auxiliary switch with a simple method of programming the critical delays for proper active clamp operation.
The UCC2891/3 includes a 110-V start-up regulator for initial start-up and to provide keep-alive power during stand-by.
Additional features include an internal programmable slope compensation circuit, precise DMAX limit, and a single resistor programmable synchronizable oscillator. An accurate line monitoring function also programs the converter’s ON and OFF transitions with regard to the bulk input voltage. Along with the UCC2897, this UCC289x family allows the power supply designer to eliminate many of the external components, reducing the size and complexity of the design.
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Freight calculation
Express:(FEDEX, UPS, DHL, TNT)Free shipping on first 0.5kg for orders over 200$,Overweight will be charged separately
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