ISL62883CEVAL2Z Intersil, ISL62883CEVAL2Z Datasheet - Page 6

• Manufacturer Part Number: ISL62883CEVAL2Z
• Description: EVAL BOARD FOR ISL62883C
• Manufacturer: Intersil

Specifications of ISL62883CEVAL2Z

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 0 ~ 1.5 V
• Current - Output: 75A
• Voltage - Input: 4.5 ~ 20 V
• Regulator Topology: Buck
• Frequency - Switching: 300kHz
• Board Type: Fully Populated
• Utilized Ic / Part: ISL62883C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

ISL62883CEVAL2Z Schematic
ISEN3
ISEN2
ISEN1
+3.3V
IN
IN
IN
FROM POWER STAGE
FROM POWER STAGE
49.9
R1
43
TLV431ASNT1
1.24
V
REF
3
5
3
5
1
1
+
-
U1
J1
1
3
5
J2
1
3
5
2
4
6
2
4
6
2
4
6
2
4
6
+5V
GND
+5V
GND
ISEN2
ISEN1
DPRSLPVR
PSI#
150PF
TO POWER STAGE
+5V
+5V
2
1
C3
"0"
EAD102L
OPEN
39PF
VCCP1.2V
C6
C5
S1
324K
R7
PLACE NEAR Q2
"1"
4
3
1
6
536
R10
OUT
J3
1
2
2.37K
R11
VCCSENSE
VSSSENSE
FIGURE 2. ISL62883CEVAL2Z SCHEMATICS, PAGE 1 OF 5
2
ISEN3/FB2
390PF
C11
PSI#
VCORE
2N7002
TP35
TP36
DPRSLPVR
Q1
R14
0
IN
IN
IN
1
147K
R16
R17
R18
10
10
OFF
ON
1
R20
R22
Application Note 1557
3
1
10
41
0
0
S3
2
3
4
5
6
7
8
9
1
TP13
P1
P2
+3.3V
2
PGOOD
PGOOD
PSI#
RBIAS
VR_TT#
NTC
VW
COMP
FB
ISEN3
ISEN2
1000PF
1.91K
2
CLK_EN#
R23
EP
330PF
C12
R21
C13
10K
TP16
/FB2
ISL62883HRZ
820PF
C81 R109
U6
604
R30
100
R37
UGATE2
PHASE2
LGATE2
LGATE1
PHASE1
1
BOOT2
VSSP2
VSSP1
VCCP
PWM3
R40
0
PLACE NEAR L1
30
29
28
27
26
25
24
23
22
21
UGATE1
IN
IN
BOOT1
+5V
VIN
R47
R48
DNP
NOTE:
0
OUT
OUT
+5V
LGATE1/A
LGATE1B
ROUTE UGATE1 TRACE IN PARALLEL WITH THE PHASE1 TRACE
GOING TO THE SOURCE OF Q1 AND Q2.
ROUTE LGATE1/B TRACE IN PARALLEL WITH THE VSSP TRACE
GOING TO THE SOURCE OF Q3 AND Q4.
SAME RULE APPLIES TO THE OTHER PHASE
UGATE2
PHASE2
LGATE2
PHASE1
PWM3
BOOT2
+5V
GND
IN
IN
3
5
1
1
2
3
4
5
6
7
"0"
J4
1
3
5
VSUM+
VSUM-
OUT
OUT
OUT
OUT
OUT
OUT
OUT
TP28
2
4
6
IN
1
2
3
4
5
6
7
2
4
6
MST7_SPST
IMON
VSSSENSE
TO DRIVER
U2
VCCP1.2V
R52
14
13
12
11
10
"1"
0
9
8
PWM3
9
8
14
13
12
11
10
+3.3V
+5V
VID0
VID1
VID2
VID3
VID4
VID5
VID6
OUT
TP37
3.3V
TP29
5V
TP30
PGND
April 1, 2010
AN1557.0