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Overview
| Topology | Power Factor Correction |
| Input voltage | 90-265 V |
| IC revision | 1.0.6 |
Description
The FAN6961 is an 8-pin, boundary-mode, PFC controller IC intended for controlling PFC pre-regulators. The FAN6961 provides a controlled on-time to regulate the output DC voltage and achieve natural power factor correction. The maximum on-time of the external switch is programmable to ensure safe operation during AC brownouts. An innovative multi-vector error amplifier is built in to provide rapid transient response and precise output voltage clamping. A built-in circuit disables the controller if the output feedback loop is opened. The startup current is lower than 20µA and the operating current has been reduced to under 6mA. The supply voltage can be up to 25V, maximizing application flexibility.
Features
- Boundary Mode PFC Controller
- Low Input Current THD
- Controlled On-Time PWM
- Zero-Current Detection
- Cycle-by-Cycle Current Limiting
- Leading-Edge Blanking instead of RC Filtering
- Low Startup Current: 10µA Typical
- Low Operating Current: 4.5mA Typical
- Feedback Open-Loop Protection
- Programmable Maximum On-Time (MOT)
- Output Over-Voltage Clamping Protection
- Clamped Gate Output Voltage 16.5V
Remerks
- Refer page no-10
Typical applications
- Flyback power converters with ZCS/ZVC
- Open Frame power supplies and power Adapters
- Electric Lamp Ballasts
- AC-DC Swithing Mode power converter
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Type | Wire Section | ISAT(A) | fres(MHz) | Size | Version | L(µH) | Q(%) | IR(mA) | RDC max.(mΩ) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PD SMT Power Inductor, 2, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Pins2 | – | – | – | – | Saturation Current0.55 A | Self Resonant Frequency1.7 MHz | Size1050 | VersionPerformance | Inductance1000 µH | – | – | DC Resistance2050 mΩ | ||||
 | WR-TBL Series 101 - 5.00 mm Horizontal Entry Modular, 3, Wire Protector | Simulation– | Downloads6 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-TBL Series 101 - 5.00 mm Horizontal Entry Modular | Pins3 | PCB/Cable/PanelPCB | ModularityYes | TypeHorizontal | Wire Section 26 to 14 (AWG) 0.5 to 2.5 (mm²) | – | – | – | – | – | – | – | – | ||
 | WE-MI SMT Multilayer Inductor, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MI SMT Multilayer Inductor | – | – | – | – | – | – | Self Resonant Frequency85 MHz | Size0805 | – | Inductance1 µH | Q-Factor45 % | Rated Current50 mA | DC Resistance400 mΩ | |||
 | 750341751 | Inductor, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Inductor | – | – | – | – | – | Saturation Current3 A | – | SizePQ2625 | – | Inductance210 µH | – | – | – |