Description
The HiperPFS-2 family features ICs with a high level of integration including a CCM boost PFC controller, gate driver, ultra-low reverse recovery diode and high-voltage power MOSFET in a single, low-profile eSIP™ package. Other features include an integrated non-linear amplifier for enhanced load transient response, a user programmable power good (PG) signal and user selectable power limit functionality. HiperPFS-2 devices also provide cycle-by-cycle current limit for the power MOSFET, power limiting of the output for overload protection, and pin-to-pin short-circuit protection.
HiperPFS-2 devices are suitable for PFC applications from 75 W to 425 W and simplify compliance with new and emerging energy-efficiency standards over a broad market space in applications such as PCs, LCD TVs, notebooks, appliances, pumps, motors, fans, printers, and LED lighting.
Product Highlights
Protected Power Factor Correction Solution
- Incorporates high-voltage power MOSFET, ultra-low reverse recovery loss Qspeed diode, controller, and gate driver
- EN61000-3-2 Class D and Class C compliance
- Accurate built-in brown-in/out, undervoltage (UV), and overvoltage (OV) protection
- Hysteretic thermal shutdown (OTP)
- Internal power limiting function for overload protection
- Cycle-by-cycle power switch current limit
- Internal non-linear amplifier for enhanced load transient response
- No external current sense required
- Minimizes output overshoot and stresses during start-up
- Improved dynamic response
- Eliminates up to 40 discrete components for higher reliability and lower cost
Intelligent Solution for High Efficiency and Low EMI
- Continuous conduction mode PFC uses novel constant volt/ amp-second control engine
- Frequency sliding technique for light load efficiency improvements
- >95% efficiency from 10% load to full load at nominal input voltages
- Variable switching frequency to simplify EMI filter design
Advanced Package for High Power Applications
- Up to 425 W peak output power capability in a highly compact package
- Simple adhesive or clip mounting to heat sink
- No insulation pad required and can be directly connected to heat sink
- Single package solution for PFC converter reduces assembly costs and layout size