sc1406a Semtech Corporation, sc1406a Datasheet - Page 3

• Manufacturer Part Number: sc1406a
• Description: Portable Pentium Ii & Iii Power Supply Controller
• Manufacturer: Semtech Corporation

January 28, 2000
PIN DESCRIPTION (Cont.)
Pin Pin Name Pin Function
© 2000 SEMTECH CORP.
20
21
22
23
24
25
26
27
28
CMPREF Core comparator reference input pin.
CLREF
CORE
GND
CMP
DAC
VCC
CO
CL
Main CORE converter output feedback.
Main controller digital to analog output.
Ground
Comparator output. Main regulator controller output used to drive the input of the SC1405 driver
IC.
Input power. Supply voltage input. This input is capable of accepting 3.3V or 5.0V supply
voltage.
Core comparator input pin.
Current limit input pin.
Current limit reference input pin.
PORTABLE PENTIUM
POWER SUPPLY CONTROLLER
652 MITCHELL ROAD
Pentium is a registered trademark of Intel Corporation
®
II & III
NEWBURY PARK CA 91320
SC1406A
3