SC2595EVB SEMTECH [Semtech Corporation], SC2595EVB Datasheet - Page 5

• Manufacturer Part Number: SC2595EVB
• Description: Integrated Linear DDR Termination Regulator
• Manufacturer: SEMTECH [Semtech Corporation]

Notes:
Notes:
Notes:
Notes:
Notes:
(1) Can be used for vias.
(2) Power up of AV
© 2007 Semtech Corp.
POWER MANAGEMENT
Block Diagram
A
V
V
GND
VCC
DDQ
REF
(a) The preferred mode of operation is when the AV
(b) If and when AV
(c) If the AV
then V
damage to the SDRAM.
lead AV
TT
CC
output precedes V
CC
, PV
, PV
CC
, PV
CC
CC
supply or the V
CC
and V
CC
and V
, PV
DDQ
CC
+
-
DDQ
pins are tied to a supply separate to that of the V
supplies.
OUT
DDQ
supply pins are connected in a way such that, AV
. This can cause the SDRAM device to latch-up, which may cause permanent
DDQ
supply and the AV
UVLO
+
-
CC
OUT
CC
, PV
, PV
5
CC
CC
and V
supply should rise simultaneously.
DDQ
pins are tied together to a single supply.
Circuit
Driver
DDQ
CC
supply pin; then the V
, PV
CC
supplies precedes V
DDQ
supply should
DDQ
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SC2595
supply;
V
PV
V
NC
TT
SENSE
CC