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UC1854B |
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| Part Number | UC1854B |
| Manufacturer | UNITRODE |
| Description | The UC1854A/B products are pin compatible enhanced versions of the UC1854. Like the UC1854, these products provide all of the functions necessary for active power factor corrected preregulators. The c... |
| Features |
• Controls Boost PWM to Near Unity Power Factor • Limits Line Current Distortion To <3% • World-Wide Operation Without Switches • Accurate Power Limiting • Fixed Frequency Average Current Mode Control • High Bandwidth (5MHz), Low Offset Current Amplifier • Integrated Current and Voltage Amp Output Clamps • Multiplier Improvements: Linearity, 500mV VAC Offset (eliminates external resistor), 0-5V Multout Common Mode Range • VREF "GOOD" Comparator • Faster and Improved Accuracy ENABLE Comparator • UVLO Threshold Options (16/10V / 10.5/10V) • 300µA Startup Supply Current UVLO Turn on UVLO Turn of... |
| Document |
 UC1854B Data Sheet
PDF Direct Link |
| No. | Parte # | Fabricante | Descripción | Hoja de Datos |
|---|---|---|---|---|
| 1 | UC1854 |
Texas Instruments |
High-Power Factor Preregulator |
|
| 2 | UC1854A |
Texas Instruments |
ADVANCED HIGH-POWER FACTOR PREREGULATOR |
|
| 3 | UC1851 |
UNITRODE |
PWM Controller |
|
| 4 | UC1852 |
UNITRODE |
High Power-Factor Preregulator |
|
| 5 | UC1853 |
Unitrode |
High Power Factor Preregulator |
|
| 6 | UC1856 |
UNITRODE |
Improved Current Mode PWM Controller |
|
Desde 2024. D4U Semiconductor.
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