ISL6228HIEVAL3Z Intersil, ISL6228HIEVAL3Z Datasheet - Page 7

• Manufacturer Part Number: ISL6228HIEVAL3Z
• Description: EVALUATION BOARD FOR ISL6228HI
• Manufacturer: Intersil
• Series: Robust Ripple Regulator™ (R³)r

Specifications of ISL6228HIEVAL3Z

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 2, Non-Isolated
• Voltage - Output: 1.05V or 1.2V, 1.2V
• Current - Output: 20A, 20A
• 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: -

ISL6228HIEVAL3Z Evaluation Board Schematic
D
C
B
A
+5V
GND
TP1
TP2
+5V
2N7002
2N7002
Q11
Q12
0.01UF
0.01UF
22.1K
18.2K
1UF
C1
R3
C2
R4
C3
8
0.22UF
10K
C36
10K
R7
1UF
R8
C4
0.22UF
C38
2N7002
Q18
TP17
29
R11
1
2
4
5
6
7
3
0
ON
OFF
140K
422K
R15
R49
105K
FSET2
VIN2
VCC2
VCC1
VIN1
FSET1
PGOOD1
S2
R14
EP
7
R19
845
R51
10K
ISL6228CRZ
845
R18
R21
10K
105K
105K
R20
R23
U1
1500PF
1500PF
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
FIGURE 12. ISL6228HIEVAL3Z SCHEMATIC
TP10
TP20
TP21
TP9
J13
J14
J1
J2
VIN2
PGND
VIN1
PGND
ROUTE PGND2 TO Q8,Q9 PADS
ROUTE PGND1 TO Q3,Q4 PADS
5
0.22UF
0.22UF
C14
C15
IRF7821
IRF7832
IRF7821
IRF7832
Q6
Q8
Q1
Q3
IRF7821
IRF7832
IRF7821
IRF7832
4
Q7
Q9
Q2
Q4
4
3
2
1
4
3
2
1
Q10
Q10
Q5
Q5
FDS6990S
FDS6990S
FDS6990S
FDS6990S
DNP
DNP
DNP
DNP
6
5
8
7
6
5
8
7
OFF
OFF
DNP
DNP
ON
ON
R26
R27
2K
2K
2N7002-7-F
2N7002-7-F
J3
4.53K
Q13
J4
4.53K
Q14
R29
R28
3
TITLE:
ENGINEER:
0.8UH
0.8UH
PLACE R13, R55 CLOSE TO L2
PLACE R12,R56 CLOSE TO L1
L2
L1
0.1UF
1
2
4
0.1UF
1
2
4
3
3
C21
C20
VDD
HB
HO
HS
VDD
HB
HO
HS
ISL6228HIEVAL3Z
HIP2100
HIP2100
JIA WEI
U2
U3
VSS
VSS
LO
LI
HI
LO
LI
HI
8
7
6
5
8
7
6
5
+12V
+12V
2
8.45K
4.12K
8.45K
4.12K
R34
R35
R36
R37
REV.A
DATE:
PAGE:
APR 16, 2007
Q15
Q16
SUD50N03_07
SUD50N03_07
+12V
1 OF 1
1
+12V
J10
GND
J7
J8
J9
VO2
PGND
VO1
PGND
J5
J6
TP15
TP16
J11
J12
D
C
B
A