Unknown Manufacturer N1153
The N1153 is a low-cost, 5 bit TTL-compatible input, digital-to-analog (DAC) programmable, synchronous buck converter controller designed specifically to power the Pentium ® II as well as the next generation of P6 family or other high performance core logic in desktop personal computer CPU applications. The N1153 operates at a fixed 200KHz, providing an optimum compromise between efficiency, external component size, and cost.
| Part No. |
N1153 |
| Datasheet |
N1153
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| Manufacturer |
Unknown Manufacturer |
| Description |
5 Bit Programmable Synchronous |
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FEATURES
N1153 GENERAL DESCRIPTION
Additional features also include temperature compensated voltage reference, triangle wave oscillator, current limits comparator, frequency shift over-current protection, and an accessible, internally compensated error amplifier, power good signal, logic compatible shutdown, and over voltage protection are also provide. z High performance and low cost solution z Synchronous operation with high efficiency z TTL-compatible 5 bit DAC, output voltage selection from 1.3V to 3.5V programmable z High current totem pole output, up to 2 A for direct driving of the external N-Channel power MOSFETs. z 200 KHz fixed frequency internal oscillator z Fast transient response z Power-Good output voltage monitor z Over-Voltage and Over-Current protection APPLICATIONS
z Powering Pentium ® II, III or Deschutes, K6 and other advanced processor z Multiple microprocessor supplies z High power DC to DC controller z Programmable power supplies TYPICAL APPLICATION 12V 5V + VID 0 VID 1 VID 2 VID 3 VID 4 P.G S.D D/A AND SHUT-DOWN LOGIC CURRENT LIMIT COMPARATOR + TEMP.
