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FAN1538PBX датащи(PDF) 1 Page - Fairchild Semiconductor |
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FAN1538PBX датащи(HTML) 1 Page - Fairchild Semiconductor |
1 / 6 page www.fairchildsemi.com REV. 1.0.2 12/17/03 Features • Two independent outputs • Load regulation: 0.05% typical • Under-voltage lockout and softstart • Over Temperature protection • T0-252 DPAK, 5-lead SPAK packages • Fixed 3.3V and adjustable or fixed 2.5V output Applications • Hard Disk Drives, CD-Roms • Set-top Boxes • ADSL line cards • Motherboards with multiple supplies General Description The FAN1538 provides two output voltages: a fixed 3.3V ouput and either a fixed 2.5V or adjustable output with 1A output current capability. Refer to Ordering Information for details. Current limit protects against short circuit currents and on chip over temperature circuitry limits the maximum die tem- perature. Under voltage lockout and softstart circuitry protects against unregulated output voltages when the input voltage is below specification. Block Diagram FAN1538B V1 V2 FB 3.3V V2 = VREF (1 + R1/R2) at 1.0A 22 µF 1.5V at 1.0A R2 1250 R1 250 22 µF 22 µF 22 µF 2.5V at 1.0A 3.3V at 1.0A 22 µF VIN = 5V VIN = 5V + + VIN V1 NC GND V2 FAN1538A 22 µF + 22 µF 2.5V at 1.0A 3.3V at 1.0A GND + 22 µF + FAN1538 Dual Channel 1A Low Dropout Linear Regulator with UVLO and Soft-start |
Аналогичный номер детали - FAN1538PBX |
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Аналогичное описание - FAN1538PBX |
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