W83321S Datasheet, PDF (5/18 Pages) Winbond – N-Channel FET Synchronous Buck Regulator Controller

3. APPLICATIONS
y Motherboard Power Supplies Regulation
y Subsystem Power Supplies
- PCI/AGP/GTL+ Buses
- ACPI Power Control
- SSTL-2 and DDR SDRAM Bus Termination Supply
y Cable Modems, Set Top Boxes, and DSL Modems
y DSP and Core Communications Processor Supplies
y Memory Power Supplies
y Personal Computer Peripherals
y Industrial Power Supplies
y 5V-Input DC-DC Regulators
y Low-Voltage Distributed Power Supplies
4. PIN-OUT
W83321S/W83321G
BOOT
1
UGATE ²
GND
3
LGATE ₄
W83321
8
ISEN
7 COMP
6 ^FB
5
VCC
Publication Release Date: January, 2006
-5-
Revision 0.51