SI9140CQ VISHAY [Vishay Siliconix], SI9140CQ Datasheet - Page 9

• Manufacturer Part Number: SI9140CQ
• Description: SMP Controller For High Performance Process Power Supplies
• Manufacturer: VISHAY [Vishay Siliconix]

TIMING WAVEFORMS
DESCRIPTION OF OPERATION
Schematics of the Si9140 dc-to-dc conversion solutions for
high-performance PC microprocessors are shown in Figure 1
and 2 respectively. These solutions are geared to meet the
extremely
requirements of these new microprocessors at minimal cost
FaxBack 408-970-5600, request 70026
www.siliconix.com
demanding
transient
regulation
and
FIGURE 1. 2.9 V @ 10 A
power
and with a minimal parts count. The two solutions are nearly
identical, except for slight variations in output voltage, load
transient amplitude, and specified power. Figure 3 is a
schematic diagram for a 3.3-V logic converter.
Vishay Siliconix
S-58034—Rev. G, 15-Mar-99
Si9140
9