CS5166 ,5-Bit Synchronous CPU Controllerwith Power-Good and Current LimitELECTRICAL CHARACTERISTICS (continued) (0°C < T < 70°C; 0°C < T < 125°C; 8.0 V < V < 14 V; 2.0 DAC ..
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CS5166
5-Bit Synchronous CPU Controllerwith Power-Good and Current Limit
CS5166
5-Bit Synchronous CPU
Controller with Power Good
and Current Limit
The CS5166 is a synchronous dual NFET buck controller. It is
designed to power the core logic of the latest high performance CPUs. It
uses V2 control method to achieve the fastest possible transient
response and best overall regulation. It incorporates many additional
features required to ensure the proper operation and protection of the
CPU and power system. The CS5166 provides the industry’s most
highly integrated solution, minimizing external component count, total
solution size, and cost.
The CS5166 is specifically designed to power Intel’s PentiumII
processor and includes the following features: 5–bit DAC with 1.0%
tolerance, Power Good output, adjustable hiccup mode overcurrent
protection, VCC monitor, Soft Start, adaptive voltage positioning,
overvoltage protection, remote sense and current sharing capability.
The CS5166 will operate over a 4.15 to 14 V range using either
single or dual input voltage and is available in a 16 lead wide body
surface mount package.
Features•V2 Control Topology Dual N–Channel Design 125 ns Controller Transient Response Excess of 1.0 MHz Operation 5–Bit DAC with 1.0% Tolerance Power Good Output With Internal Delay Adjustable Hiccup Mode Overcurrent Protection Complete Pentium II System Requires Just 21 Components 5.0 V & 12 V Operation Adaptive Voltage Positioning Remote Sense Capability Current Sharing Capability VCC Monitor Overvoltage Protection (OVP) Programmable Soft Start 200 ns PWM Blanking 65 ns FET Nonoverlap Time 40 ns Gate Rise and Fall Times (3.3 nF Load)
