UCC2819A

所属类别：电源管理芯片
产品名称：BiCMOS 功率因子前置稳压器
厂商：TI
生产批号：07+
封装：SOP-20
库存状态：有库存
库存量：9000
最低订购量：1
详细资料：

Product Introduction

UCC2819A BiCMOS power factor pre-regulator

illustrate

The UCC2819A/UCC3819A provides all the features necessary for the active power factor correction preconditioner. The controller realizes that by shaping the AC input current waveform, it corresponds to the AC input line voltage and the power factor is close. The average current mode control maintains a stable, low-distortion sinusoidal current.

Designed in Texas Instruments' BiCMOS process, UCC3819A offers new features such as low start-up current, reduced power consumption, overvoltage protection, undervoltage lockout detection circuitry, and paralleling a leading modulation technology to reduce ripple current for high-capacity capacitors.

This UCC3819A allows the output voltage to be programmed at the in-phase input of the error amplifier.

characteristic

Controls the boost pre-regulator to the near power factor
World Wide Network cable operation
Overvoltage protection
Precise power limits
Average current mode control
Improve anti-interference
Improved feedforward line adjustment
Frontier modulation
Typical start-up current of 150μA
Low-power BiCMOS operation
10.8 - V to 17 V operation
Programmable Output Voltage (Boost Topology Tracking)

ICs related to UCC2819A include:

Model	Manufacturers	lot number	encapsulation	illustrate
UCC2819A	TI	07+	SOP-20	BiCMOS power factor pre-regulator

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