ISL6228EVAL3Z Intersil, ISL6228EVAL3Z Datasheet - Page 7

• Manufacturer Part Number: ISL6228EVAL3Z
• Description: EVALUATION BOARD FOR ISL6228
• Manufacturer: Intersil
• Series: Robust Ripple Regulator™ (R³)r

Specifications of ISL6228EVAL3Z

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 2, Non-Isolated
• Voltage - Output: 1.5V or 1.8V, 1.8V
• Current - Output: 8A, 8A
• Voltage - Input: 3.3 ~ 25V
• Regulator Topology: Buck
• Frequency - Switching: 270kHz, 300kHz
• Board Type: Fully Populated
• Utilized Ic / Part: ISL6228
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

ISL6228EVAL3Z Evaluation Board Schematic
D
C
B
A
+5V
TP1
GND
TP2
2N7002
2N7002
+5V
Q11
Q12
0.01UF
0.01UF
22.1K
20K
1UF
C1
R3
C2
R4
C3
8
8
0.22UF
10K
10K
C36
1UF
R7
R8
C4
0.22UF
C38
2N7002
Q18
TP17
29
R11
1
2
3
4
5
6
7
0
ON
OFF
53.6K
162K
R15
R49
40.2K
FSET2
VIN2
VCC2
VCC1
VIN1
FSET1
PGOOD1
R14
S2
EP
7
7
R19
R51
590 2200PF
10K
ISL6228CRZ
590
80.6K
R18
R21
10K
80.6K
R20
R23
U1
2200PF
R22
10K
C5
C6
S5
+5V
LGATE2
LGATE1
BOOT2
PVCC2
PGND2
PGND1
PVCC1
OFF
ON
S1
R24
0
+5V
R25
0
21
20
19
18
17
16
15
6
6
TP10
TP20
TP21
FIGURE 12. ISL6228EVAL3Z SCHEMATIC
TP9
J13
J14
J1
J2
VIN2
PGND
VIN1
PGND
ROUTE PGND2 TO Q8,Q9 PADS
ROUTE PGND1 TO Q3,Q4 PADS
5
5
0.22UF
0.22UF
C14
C15
IRF7821
IRF7832
IRF7821
IRF7832
Q6
Q8
Q1
Q3
4
DNP
DNP
DNP
DNP
4
Q7
Q9
Q2
Q4
4
2
4
2
3
1
3
1
Q10
Q10
Q5
Q5
FDS6990S
FDS6990S
FDS6990S
FDS6990S
DNP
DNP DNP
DNP
DNP
6
5
8
7
6
5
8
7
OFF
OFF
DNP
ON
ON
R26
R27
2K
2K
2N7002-7-F
2N7002-7-F
5.76K
5.76K
J3
Q13
J4
Q14
3
R29
R28
3
TITLE:
ENGINEER:
3.3UH
3.3UH
PLACE R13, R55 CLOSE TO L2
PLACE R12,R56 CLOSE TO L1
L2
L1
0.1UF
0.1UF
1
2
3
4
1
2
3
4
C21
C20
VDD
HB
HO
HS
VDD
HB
HO
HS
HIP2100
HIP2100
ISL6228EVAL3Z REV.B
JIA WEI
U2
U3
VSS
VSS
LO
LI
HI
LO
LI
HI
8
7
6
5
8
7
6
5
+12V
+12V
2
2
2.49K
1.07K
2.49K
1.07K
R34
R35
R36
R37
DATE:
PAGE:
APR 16, 2007
Q15
Q16
SUD50N03_07
SUD50N03_07
+12V
1
1 OF 1
1
+12V
J10
J7
J8
GND
J9
VO2
PGND
VO1
PGND
J5
J6
TP15
TP16
J11
J12
D
C
B
A