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RC5060ZZ
www.fairchildsemi.com RC5060 ACPI Switch Controller Features Applications ¥ Implements ACPI control with PWROK, SLP_S3# and SLP_S5# ¥ Switch and linear regulator controller for 3.3V Dual (PCI) ¥ Linear regulator controller and linear regulator for 2.5V Dual (RAMBUS) ¥ Two switch controller for 5V Dual (USB) ¥ Switch controller and linear regulator for 3.3V SDRAM ¥ Provides SDRAM and RAMBUS power simultaneously ¥ Adaptive Break-before-Make ¥ Integrated Power Good ¥ Drives all N-Channel MOSFETs plus NPN ¥ Latched overcurrent protection for outputs ¥ Power-up softstarts for the linear regulators ¥ UVLO guarantees correct operation for all conditions ¥ 20 pin SOIC package ¥ Camino Platform ACPI Controller ¥ Whitney Platform ACPI Controller ¥ Tehama Platform ACPI Controller Description The RC5060 is an ACPI Switch Controller for the Camino, Whitney and Tehama Platforms. It is controlled by PWROK, SLP_S3# and SLP_S5#, and provides 3.3V Dual for PCI, 3.3V for SDRAM, 2.5V Dual for RAMBUS, and 5V Dual voltages. An on-board precision low TC reference achieves tight tolerance voltage regulation without expensive external components. The RC5060 also offers integrated Power Good and Current Limiting that protects each output, and softstart for the linear regulators. The RC5060 is available in a 20 pin SOIC. Block Diagram +12V +5V Standby PWROK SLP_S3# 12 3.3V Main SLP_S5# 5 11 10 1 2 20 3 +5V Main + - 4 Over Current Ref + - 19 Osc +5V Standby 18 3.3V SDRAM 13 Softstart 17 + 9 REF +5V Dual (USB) PWRGD Over Current +3.3V Main 3.3V MAIN 6 16 +5V Standby + Over Current 15 2.5V Dual (RAMBUS) + - + - REF REF + 7 REF 8 +3.3V Dual (PCI) 14 REV. 1.0.2 9/14/01
SOSHIN
双信電機株式会社
日本
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