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FAN4146SX データシート(PDF) 1 Page - Fairchild Semiconductor |
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FAN4146SX データシート(HTML) 1 Page - Fairchild Semiconductor |
1 / 10 page August 2010 © 2010 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN4146 • Rev. 1.0.0 FAN4146 — Ground Fault Interrupter Features For Two-Wire ALCI and RCD Applications Precision Sense Amplifier and Bandgap Reference Built-in AC Rectifier Direct DC Coupled to Sense Coil Built-in Noise Filter Low-Voltage SCR Disable SCR Gate Driver Adjustable Sensitivity Minimum External Components Meets UL 943B Requirements Ideal for 120V or 220V Systems Space-Saving SuperSOT™ 6-Pin Package Applications Personal Care Products Two-Wire Electrical Outlets, Circuit Breakers, and Power Cords Requiring GFI Safety Features ALCI and RCCB Circuits Description The FAN4146 is a low-power controller for AC outlet Appliance Leakage Circuit Interrupters (ALCI) and two- wire Residual Current Devices (RCD). The FAN4146 detects hazardous grounding conditions and open circuits the line before a harmful shock occurs. Internally, the FAN4146 contains a diode rectifier, precision bandgap 12V shunt regulator, precision low VOS offset-sense amplifier, time delay noise filter, window-detection comparators, and a SCR driver. With the addition of a minimum number of external components, the FAN4146 detects and protects against a hot-wire-to-ground fault. The minimum number of components and the small SuperSOT™ package allow for a small-form-factor, low-cost application solution. The FAN4146 circuitry has a built-in rectifier and shunt regulator that operates with a low quiescent current. This allows for a high-value, low-wattage-series supply resistor. The internal temperature compensated shunt regulator, sense amplifier, and bias circuitry provide for precision ground-fault detection. The low VOS offset- sense amplifier allows direct coupling of the sense coil to the amplifier’s feedback signal. This eliminates the large 50/60Hz AC-coupling capacitor. The internal delay filter rejects high-frequency noise spikes common with inductive loads. This decreases false nuisance tripping. The internal SCR driver is temperature compensated and designed to satisfy the current requirements for a wide selection of external SCRs. The minimum number of external components and the 6-pin SuperSOT™ package enable for a low-cost, compact design and layout. The FAN4146ESX is an enhanced temperature range device. Ordering Information Part Number Operating Temperature Range Package Packing Method FAN4146SX 0°C to +70°C 6-Lead SUPERSOT6, JEDEC MO-193, 1.6mm Tape and Reel FAN4146ESX -25°C to +80°C 6-Lead SUPERSOT6, JEDEC MO-193, 1.6mm Tape and Reel |
同様の部品番号 - FAN4146SX |
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同様の説明 - FAN4146SX |
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