IR3522 International Rectifier, IR3522 Datasheet - Page 20

• Manufacturer Part Number: IR3522
• Description: DDR & VTT CONTROL IC
• Manufacturer: International Rectifier

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Page 20
ENABLE
VREF1/Track
(6.8V)
VCCL
EAOUTx
SS/DEL
VOUT1
VOUT2
PGOOD
SVC
SVD
SVID TRANSITION
CLOCK
START
DELAY
READ & STORE
4.0V
3.92V
TIME
STARTUP
1.4V
0.8V
VREF1
VREF_TRACK
EAOUT1
NORMAL
OPERATION
EAOUT2
Vtt Margining
Figure 10 SVID Start-up Sequence Transitions
VOUT2 ON
THE FLY
MARGINING
VDDR Margining
VOUT1 ON
THE FLY
MARGINING
Tracks
SVID OFF TRANSITION
SVID OFF COMMAND
SVID OFF COMMAND
Soft Stop
SVID ON TRANSITION
SVID programmed voltage
SVID ON COMMAND
SVID ON COMMAND
1.4V
V3.01
IR3522