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UC2855B |
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| Part Number | UC2855B |
| Manufacturer | UNITRODE |
| Description | The UC3855A/B provides all the control features necessary for high power, high frequency PFC boost converters. The average current mode control method allows for stable, low distortion AC line current... |
| Features |
• Controls Boost PWM to Near Unity Power Factor • Fixed Frequency Average Current Mode Control Minimizes Line Current Distortion • Built-in Active Snubber (ZVT) allows Operation to 500kHz, improved EMI and Efficiency • Inductor Current Synthesizer allows Single Current Transformer Current Sense for Improved Efficiency and Noise Margin • Accurate Analog Multiplier with Line Compensator allows for Universal Input Voltage Operation • High Bandwidth (5MHz), Low Offset Current Amplifier • Overvoltage and Overcurrent protection • Two UVLO Threshold Options • 150µA Startup Supply Current Typical • Pr... |
| Document |
 UC2855B Data Sheet
PDF 1.28MB |
| No. | Parte # | Fabricante | Descripción | Hoja de Datos |
|---|---|---|---|---|
| 1 | UC2855A |
UNITRODE |
High Performance Power Factor Preregulator |
|
| 2 | UC285-1 |
Texas Instruments |
Fast Transient Response 5-A Low-Dropout Regulator |
|
| 3 | UC285-3 |
Texas Instruments |
Fast Transient Response 5-A Low-Dropout Regulator |
|
| 4 | UC285-3 |
Texas Instruments |
Fast Transient Response 5-A Low-Dropout Regulator |
|
| 5 | UC285-ADJ |
Texas Instruments |
Fast Transient Response 5-A Low-Dropout Regulator |
|
| 6 | UC2851 |
UNITRODE |
PWM Controller |
|
Desde 2024. D4U Semiconductor.
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