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New Products
June 18, 2012
Fairchild Introduces FPS Green Mode Power Switch Device with Integrated Protection Circuitry
Switch mode power supply (SMPS) designers need space-saving, cost- effective power supply solutions with high energy efficiency, optimized system performance and improved reliability. To help meet these design complexity challenges, Fairchild Semiconductor has developed the FSL206MRx integrated Pulse-Width Modulator (PWM) controller.
Part of the FPS™ Green Mode Fairchild power switch device family, the FSL206MRx series is designed for high-performance offline SMPS that require minimal external components. The highly integrated PWM controller with avalanche-rugged SenseFET includes an internal regulator, eliminating the need for an auxiliary bias winding and includes a built-in high-voltage startup and full-protection circuitry that saves board space and total bill of material (BOM) costs.
Optimized for efficiency and power dissipation with burst-mode operation, the FSL206MRN and FSL206MRL can reach a power loss of 150mW with no-bias winding and 25mW with bias winding at no-load condition when the input voltage is 265Vac. Additionally, the FSL206MRx series is supported by Fairchild’s Power Supply WebDesigner (PSW), an easy-to-use, powerful online design tool that allows designers to further customize and fine-tune their designs without having to build a bench prototype.
Features and benefits include:
-- Precision fixed operating frequency: 67kHz
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-- Frequency modulation for attenuating electromagnetic interference (EMI)
-- Built-in soft-start and startup circuit prevents transformer saturation
-- No need for auxiliary bias winding
-- Low under voltage lockout (UVLO)
-- Ultra-low operating current: 300µA
-- Separated high- and low-voltage pins to avoid creepage
-- Various protection features: OLP, OVP, AOCP, TSD and LS for higher reliability
The units are priced (1,000 quantity pieces) as follows: FSL206MRL (LSOP-8) at $0.56; FSL206MRN (DIP-8) at $ 0.48; and FSL206MRBN (DIP-8, Option for burst-mode level) at $ 0.56. Delivery is 8-12 weeks ARO.
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