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SG6961SZ

  • In Stock: 2500
  • Available: 11908

Reference Price(In US Dollars)

QtyUnit PriceExt.Price
1+US $1.68000US $1.68
10+US $1.12000US $11.20
30+US $0.84000US $25.20
100+US $0.67200US $67.20
500+US $0.61600US $308.00
1000+US $0.56000US $560.00

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  • Description
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Description

The SG6961 is an 8-pin boundary mode PFC controller IC intended for controlling PFC pre-regulators.
The SG6961 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 start-up current is lower than 20µA and the operating current is under 4.5mA.
The supply voltage can be up to 20V, 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 Start-up 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 16.5VAPPLICATIONS
• Electric Lamp Ballasts
• AC-DC Switching Mode Power Converter
• Open-Frame Power Supplies and Power Adapters
• Flyback Power Converters with ZCS/ZVS
Alternatives

Functional Equivalent (FE) materials, including Fused Filament Fabrication (FFF) form, assembly, and functionally compatible substitute materials.

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