ISL6227EVAL1 Intersil, ISL6227EVAL1 Datasheet - Page 6

• Manufacturer Part Number: ISL6227EVAL1
• Description: EVALUATION BOARD 1 ISL6227
• Manufacturer: Intersil

Specifications of ISL6227EVAL1

• Main Purpose: Special Purpose DC/DC, DDR Memory Supply
• Outputs And Type: 2, Non-Isolated
• Voltage - Output: 0.9 ~ 5.5V
• Voltage - Input: 5 ~ 24V
• Regulator Topology: Buck
• Frequency - Switching: 300kHz
• Board Type: Fully Populated
• Utilized Ic / Part: ISL6227
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

D
C
B
A
J4
J1
TP2
J5
J7
J11
J14
FIGURE 3. ISL6227EVAL1 SCHEMATIC
PGOOD
VCC
GND
VDDQ
VDDQ
GND
GND
VOUT1
+
C12
220u
4V
PG1
VCC
Panasonic ETQ-P6F4R6HFA
C25
4.7u
10V
+
RED
C4
68u
16V
5
5
4.6u
C11
15n
50V
L1
VCC
JP1
R15
680
10V
C8
1.0u
FCCM
R10
10.0k
GREEN
VCC'
R16
680
Q1
BSS123LT1
17.8K
R8
JP2
CR1
LXA3025IGC-TR
D1
BAT54WT1
C9
0.15u
25V
2
C18
NI
R7
NI
C17
NI
5
6
7
8
U2
+
VOUT1
NI
C24
1
VINPRG
FDS6912A
R2
0
VDDQ
+
JP5
VIN'
C13
220u
3
4
3
2
1
TP4
EN1
4
4
PHASE 1
J12
100k
R1
100k
R9
2.49K
R4
C20
10n
50V
10
11
12
13
14
1
2
3
4
5
6
7
8
9
VCC'
U1
VIN'
+
GND
LGATE1
PGND1
PHASE1
UGATE1
BOOT1
ISEN1
EN1
VOUT1
VSEN1
OCSET1
SOFT1
DDR
VIN
C1
NI
EN1
JP3
ISL6227
R19
10.0K
VCC
R17
680
C2
10u
25V
X5R
10V
C5
4.7u
3
3
PG2/REF
10.0K
PHASE2
UGATE2
OCSET2
EN2
R20
LGATE2
JP4
R18
680
PGND2
BOOT2
VOUT2
VSEN2
SOFT2
ISEN2
VCC
PG1
EN2
PG1
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VCC'
10u
C3
25V
X5R
1.00K
R5
C21
NI
PHASE 2
J13
C6
4.7u
10V
EN2
TP3
4
3
2
1
VDDQ
VOUT1
2
U3
2
FDS6912A
R3
0
Title
Size
Date:
INTERSIL
B
5
6
7
8
ISL6227 EVALUATION BOARD (DDR)
Document Number
ISL6225A eval_DDR
10n
R6
NI
C19
NI
C26
50V
VTT
R11
10.0K
R14
10.0K
Panasonic ELL-6SH1R5M
VOUT2
C10
0.15u
25V
BAT54WT1
D2
R12
NI
C22
NI
1.5u
L2
+
C15
NI
1.0u
10V
C7
Sheet
R13
NI
1
1
VOUT2
+
4V
C23
C14
220u
4.7u
10V
1
Building 2A,Suite 105
4020 Stirrup Creek Drive
Durham, NC 27703
Phone: [phone]
Fax: [phone]
V_REF
VIN
GND
VTT
GND
GND
of
VTT
C16
10V
4.7u
1
Rev
TP1
A
J10
J3
J2
J6
J9
J8
D
C
B
A