Rainbow Electronics MAX17000 - Manual (Page 17)

MAX17000
Complete DDR2 and DDR3 Memory
Power-Management Solution
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VTT POS
CURRENT LIMIT
VTT SS
CURRENT LIMIT
VTT NEG
CURRENT LIMIT
BST
LX
VDD
1-SHOT
TRIG Q
t OFF(MIN)
CSL
TON
ERROR
AMP
ZERO CROSSING
EA
SHDN
VALLEY CURRENT LIMIT
PGND1
S
R
Q
S
R
Q
DH
3mV
20mV
SOFT-START/STOP
DL
CSL
CSH
1V REF
AGND
VCC
INT_REF
FB FB
DECODE
INT_FB
VTTI
VTT
PGND2
VTTR
POWER-GOOD1
PGOOD1
1.15V
OVF
POWER-GOOD2
PGOOD2
SMPS FAULT
DETECTION
1.2V
OVP SMPS
FAULT
LATCH
SMPS
FAULT
0.7V
INT_FB
OVF
UVF
VTTS
V DD
V DD
CSL
VTT WINDOW
COMPARATOR
VTT FAULT
SMPS
FAULT
5ms
TIMER
VTT
FAULT
VTT
FAULT
VTTI
VTT
PGND2
STDBY
SKIP
STDBY EA
1-SHOT
TRIG Q
TON
ON-TIME
COMPUTE
STDBY
RUN
RUN
10ms
TIMER RUN
SMPS
RUN
SMPS RUN
1.4ms
5mV
VTT
PGND2
SMPS RUNOK
STDBY
PGND1
PGND2
VTT
CSL
16 Ω
16 Ω
REFIN
CSL
R
R
5mV
VTT_EN
VTT_EN
RUN
OVP
V CC
UVLO
MAX17000
V DD - 0.3V
Figure 2. MAX17000 Functional Diagram