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FAN1537PA 数据表(PDF) 1 Page - Fairchild Semiconductor |
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FAN1537PA 数据表(HTML) 1 Page - Fairchild Semiconductor |
1 / 8 page www.fairchildsemi.com REV. 1.1.1 3/20/02 Features • Low dropout voltage • Load regulation: 0.05% typical • On-chip thermal limiting • SO-8 and 5-lead SPAK and TO-252 DPAK packages • Fixed 3.3V, and adjustable or 2.5V or 1.8V fixed • Stable with low ESR output capacitors Applications • Hard Disk Drives, CD-ROMs, DVDs • High efficiency linear regulators • Post regulators for switching supplies • ADSL and Cable Modems • 5V to 3.3V and 2.5V linear regulators • Motherboard with multiple supplies Description The FAN1537 provides 2 output voltages: 3.3V, and either adjustable or 2.5V or 1.8V fixed with 1.0A each output current capability. These devices have been optimized for low voltage where transient response and minimum input voltage are critical. Current limit features protect the outputs against short circuit currents. On-chip thermal limiting provides protection against any combination of overload and ambient tempera- ture that would create excessive junction temperatures. The FAN1537 series regulators are available in SO-8 and 5-lead SPAK and TO-252 DPAK power packages. Typical Applications V2 = VREF (1 + R1/R2) 22 µF 2.5V at 1.0A 3.3V at 1.0A 22 µF VIN = 5V + + VIN V1 NC GND V2 FAN1537A 22 µF + 22 µF 2.5V at 1.0A 3.3V at 1.0A + 22 µF + 22 µF 3.3V at 1.0A 22 µF VIN = 5V + + VIN V1 GND FB V2 FAN1537B 22 µF + 22 µF R1 54.9 Ω R2 124 Ω 1.8V at 1.0A 3.3V at 1.0A + 22 µF + FAN1537 Dual 1A Adjustable/Fixed Low Dropout Linear Regulators |
类似零件编号 - FAN1537PA |
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类似说明 - FAN1537PA |
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