ISL6444_07 Datasheet, PDF (3/19 Pages) Intersil Corporation – Dual PWM Controller with DDR Memory Option for Gateway Applications

Generic Application Circuits (Continued)
ISL6444
+5V
DDR
OCSET1
PWM1
V_OUT3
DDR REF
(+1.25V)
PGOOD2/REF
PWM2
+V_IN +5V...24V
Q1
L1
Q2
C1
OCSET2
Q3
Q4
V_OUT1
VDDQ
(+2.5V)
R
R
V_OUT2
L2
VTT
(+1.25V)
C2
ISL6444 APPLICATION CIRCUIT FOR COMPLETE DDR MEMORY POWER SUPPLY
3
FN9069.3
April 12, 2007