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UCC2895
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所属类别：ACDC-和-DCDC-电源
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产品名称：BiCMOS 高级相移谐振控制器
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厂商：TI
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生产批号：07+
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封装：20PDIP, 20PLCC, 20SOIC, 20TSSOP
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库存状态：有库存
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库存量：2000
- 最低订购量：1
- 详细资料：
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The UCC3895 is a phase-shifted PWM controller, which realizes the control of the power level of the transferred half-bridge relative to the other switching phases. It allows a fixed frequency with a resonant zero-voltage switch to pulse-width modulation at high frequencies to provide high efficiency. The device can be used not only as a voltage mode or current mode controller.
While UCC3895 maintains the features of the UC3875/6/7/8 Home and UC3879, it improves the control logic such as enhanced, adaptive time-lapse settings, and turns off the function with other controller series. Since it uses the BCDMOS process, it greatly reduces its operation with the supply ratio of its peers to bipolar current.
characteristic
- Programmable output turns on delay
- Adaptive delay settings
- Bidirectional oscillator synchronization
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Voltage mode, peak current mode, or
Average current mode control
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Programmable Soft Start/Softstop and Chip
Disable through one pin
- 0% to 100% duty cycle control
- 7 MHz error amplifier
- to 1 MHz operation
- Typical 5-mA operating current 500 kHz
- Very low 150μA current during UVLO
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apply
- Phase-shifting full-bridge converter
- Offline, telecommunications, datacom and servers
- Distributed power architecture
- High-density power modules
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