首页 > 产品中心| Power Factor Controller | ||||||||
| Part No. | Features | VCC(Max) | Feedback VREF(V) | ISTART-UP | BW(MHz) | Package | ||
| UA7527 |
Power Factor Correction Controller * Internal Start-up Timer * Very Precise Adjustable Output Over Voltage Protection * Zero Current Detector * Quadrant Multiplier * Internal R/C Filter Eliminates the Need for an External R/C Filter * Trimmed 1.5% Internal Band Gap Reference * Under Voltage Lockout with 3V of Hysteresis * Totem Pole Output With High State Clamp * Low Start-up and Operating Current |
30.0V | Typ=2.5V | 10uA~100uA | 1.0MHz | SOP-8 | ||
| UA7524 |
Power Factor Correction Controller * Internal self-starting * Micro power start up mode * Included under voltage lockout circuit * Internal 2% reference * High output current: peak 500mA |
20.0V | Typ=2.5V | Typ=0.25mA | 1.0MHz | DIP-8 SOP-8 | ||
| L8561 |
Power Factor Correction Controller * 1% Precision (@ TJ = 25℃) Internal Reference Voltage * Output Overvoltage Protection * Very Low Power Start-Up Current * Current Sense Filter On Chip * Disable Function (with ZCD pin) * Transition Mode Operation * Gate Driving Current: ± 400mA * 15V Gate clamped |
11.0V~18.0V | Typ=2.5V | Typ=30uA | Typ=0.8MHz | DIP-8 SOP-8 | ||
| L8562 |
Power Factor Correction Controller * 1% Precision (@ TJ = 25℃) Internal Reference Voltage * Output Overvoltage Protection * Very Low Power Start-Up Current * Current Sense Filter On Chip * Disable Function (with ZCD pin) * Transition Mode Operation * Gate Driving Current: ± 400mA * 15V Gate clamped |
11.0V~18.0V | Typ=2.5V | Typ=30uA | Typ=0.8MHz | DIP-8 SOP-8 | ||
| L8532 |
Power Factor Correction Dimmable LED Driver * Very Low 24μA Typical Startup Current * Constant On Time PWM Control * Cycle-by-Cycle Current Protection * Low Current Sense Threshold of 500mV * Low 2mA Typical Operating Current * Source 500mA/Sink 800mA Totem Pole Gate Driver * Reference Design for TRIAC and Trailing Edge Line Dimmers * Wide Operating Temperature Range * No Input Voltage Sensing Requirement * Enable Function and Overvoltage Protection |
20.0V | Typ=2.5V | Typ=24uA | - | SOP-8 | ||
| L8565 |
Power Factor Correction (PFC) Controller in Continuous Conduction Mode (CCM) * Supports wide input range * Average current control * Ease of use with few external components * External current and voltage loop compensation * Trimmed internal reference voltage (5V±2%) * Programmable operating/switching frequency * (50kHz ~ 250kHz) * Max duty cycle of 95% (typ) at 125kHz * Under voltage lockout * Cycle by cycle peak current limiting * Over-voltage protection * Open loop detection * Output under-voltage detection * Brown-out protection * Soft Over current Protection * Enhanced dynamic response |
21.0V | Typ=5V | 50uA~200uA | - | SOP-8 | ||
| L8961* | Boundary Mode Power Factor Correction Controller | 24.5V | Typ=2.5V | Typ=20uA | - | DIP-8 SOP-8 | ||
| L7842 |
Power Factor Correction and PWM Controller Combo * Complying with IEC1000-2-3 (1995) standard * Six protections: PFC overvoltage protection, peak current limiting, bown-out protection, duty cycle limit, undervoltage lockout, and soft start. * Low quiescent current * Average current, continuous boost leading edge PFC * Fast transconductance error amp for voltage loop. * Double (current & voltage) mode operation PWM * Programmable soft start * Improved anti-interference technique * UVLO pull-down and brown-out control |
VZ=13.5V | Typ=2.5V | Typ=0.7mA | Typ=10MHz | DIP-16 | ||
| UC3854 |
ENHANCED HIGH POWER FACTOR PREREGULATOR * Controls Boost Preregulator to Near Unity Power Factor * Limits Line Distortion * World-Wide Line Operation * 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 * 300uA Startup Supply Current |
22V | Typ=7.5V | Max=18mA | 5.0MHz | SOP-16 | ||
| MC34262 |
Power Factor Correction Controller * Output over voltage protection * Internal Startup Timer * One Quadrant Multiplier * Zero Current Detector * Trimmed 2% Internal Bandgap Reference * Totem Pole Output with High State Clamp * Undervoltage Lockout (UVLO) with 5.0V of Hysteresis * Low Startup and Operating Current * Supersedes Functionality of SG3561, TDA4817 and UTC MC34262 |
VZ=36V | Typ=1.08V | Max=12mA | - | DIP-8 SOP-8 | ||
| TDA16888* | PWM+PFC Combo IC | VZ=16.0V ~ 19.0V | Typ=7.5V | Max=100uA | - | DIP-20 | ||
