ISL6225CA Intersil, ISL6225CA Datasheet - Page 17

• Manufacturer Part Number: ISL6225CA
• Description: IC CTRLR DDR DRAM, SDRAM 28QSOP
• Manufacturer: Intersil

Specifications of ISL6225CA

• Applications: Controller, DDR DRAM, SDRAM
• Voltage - Input: 5 ~ 24 V
• Number Of Outputs: 2
• Voltage - Output: 0.9 ~ 5.5 V
• Operating Temperature: -10°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-QSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

+2.50V
VDDQ
3.0A
C12
15nF
FIGURE 14. APPLICATION CIRCUIT FOR COMPLETE DDR MEMORY POWER SOLUTION WITH ONE-STEP CONVERSION
R3
17.8K
R5
10K
~ 6.0A
VPULLUP
C1
1.0µF
+
R9
100K
C8
330µF
4.6µH
VREF
POWER GOOD CH1
ENABLE
+
L1
17
C2
10µF
1/2 FDS6912A
BAT54
0.15µF
2/2 FDS6912A
R7
100K
WT1
CR1
C6
Q1
Q2
2.49K
R1
C3
10nF
PHASE1
UGATE1
LGATE1
OCSET1
BOOT1
PGND1
VOUT1
VSEN1
SOFT1
ISEN1
EN1
VIN
14
6
5
4
7
2
3
9
10
11
12
8
ISL6225
GND
PG1
15
1
ISL6225
13
16
DDR
PG2/REF
C4
4.7µF
28
23
24
25
22
27
26
20
19
18
17
21
VCC
BOOT2
UGATE2
PHASE2
ISEN2
LGATE2
PGND2
OCSET2
SOFT2
VOUT2
VSEN2
EN2
2/2 FDS6912A
1/2 FDS6912A
1.00K
R2
Q3
Q4
CR2
BAT54
WT1
C7
0.15µF
+
1.5µH
L2
330µF
C11
10µF
C9
+5.0V to +24V
+
10nF
C10
+
VIN
VCC
+5V
December 28, 2004
C5
10µF
+1.25V
3.0A
10K
VTT
10K
R6
R4
FN9049.7