IDT88K8483 Integrated Device Technology, IDT88K8483 Datasheet - Page 75

• Manufacturer Part Number: IDT88K8483
• Description: Spi-4 Exchange Document Issue 1.0
• Manufacturer: Integrated Device Technology

SPI4x_VREF Filter Circuit
IDT IDT88K8483
6. Connect the
7. Generate the
power_on signal from CPLD
power_on signal from CPLD
power_on signal from CPLD
V
V
SPI4A_VREF
QDR_VREF
V
470uF
470uF
SPI4A_VREF
470uF
/V
,
G_VREF
V
3.9K
p.75.
3.9K
3.9K
SPI4B_VREF
12V
12V
SIL06C-12SADJ-V (ARTESYN)
SIL06C-15SADJ-V (ARTESYN)
12V
SIL06C-33SADJ-V (ARTESYN)
signals from the
/V
RMT_ON_OFF
TRIM
VIN
POWER CONVERTOR
RMT_ON_OFF
TRIM
POWER CONVERTOR
VIN
RMT_ON_OFF
TRIM
VIN
SPI4B_VRE
DC-DC CONVERTOR
and
V
Figure 41 IDT88K8483 Power Supply Generation Example
DDH25
V
/V
SPI4M_VREF
Figure 43 IDT88K8483 SPI4x_VREF Filter Circuit
SPI4C_VREF
/V
Figure 42 IDT88K8483 VDDA25 Filter Circuit
DDL25
VOUT
VOUT
V
VOUT
GND
GND
DDH15
GND
V
1uF
1uF
signals through filter to VDDL12 signals as described in
DDC12
V
V
power supply using regulator or pot-divider like MAX1510 (
DDH15
DDT33
Ferrite Bead
Ferrite Bead
75 of 162
470uF
47uF
4.7uF
4.7uF
470uF
47uF
470uF
47uF
1uF
1uF
10uF
75V
V
V
V
V
DDT33
DDT33
DDA25
DDL12
1nF
V
DDT33
OUT
SHDN
PGND
IN
OUTS
VIN
TAB
MIC37300-2.5
MAX1510
0.75REFOUT
2.5VOUT
PGOOD
REFIN
AGND
VCC
GND
V
V
V
DDT33
DDT33
DDH15
100K
10K
Figure 43 IDT88K8483
V
/2
DDH15
V
470uF
47uF
V
DDH15
DDT33
October 20, 2006
10K
/2).
10uF
1nF