ISL6551EVAL1 Intersil, ISL6551EVAL1 Datasheet - Page 47

• Manufacturer Part Number: ISL6551EVAL1
• Description: EVALUATION BOARD ISL6551
• Manufacturer: Intersil

Specifications of ISL6551EVAL1

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Isolated
• Voltage - Output: 3.3V
• Current - Output: 60A
• Voltage - Input: 36 ~ 75V
• Regulator Topology: Buck
• Frequency - Switching: 470kHz
• Board Type: Fully Populated
• Utilized Ic / Part: ISL6551
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

D
C
B
A
LOWER2
SYNOFF
LOWER1
SYNC1
SYNC drivers can drive only up to 20p,
therefore C1 and C10 cannot use for
turnoff delay if SYNC signals are used.
SYNC2
PC1
PC4
3.3Vout
R17
R2 DNP603
R16
5
5
R1 10
C74
100uF
DNP0603
BAS40-06LT1
10
100uF
C75
3
R3
D4
D1
750
TP4
TP5
R18
D25
750
SAPGND
C5-C8 can be used
smaller footprint caps.
C3
1u
S YNN_IN
SAPGND
DNP0603
4
4
100u
R15
R106
0
C5
SYNP_IN
2
2
R4
C6
100u
SARTN
R105
C10
TP3
Secondary Rectification
0
7X, JMK550BJ107MM
1u
C2
C7
100u
C11
1u
Max.
2.4V
100u
C70
TP6
M2
C8
1.3V
DNP0603
1
2
3
4
C1
Inverting Driver
1.1V
C4
100u
V S
IN
NC
GND
MIC4421BM
2.2N, 630V
R19
1
2
3
4
Inverting Driver
2.43k
OUT
OUT
GND
SARTN
V S
V S
IN
NC
GND
MIC4421BM
R10
100
3
3
M1
8
7
6
5
GND
SBRTN
V S
OUT
OUT
R11
SARTN
8
7
6
5
SYNN_G
TP2
TP7
4
D3
SYNP_G
4
Title
Size
Date:
Q5
D29
D28
R107
A
MMJT9410
Q7
Q1
R5
2.43k
Telecom Power Supply Schematics, 3.3V@60A
Document Number
ISL6551EVAL1
4
Thursday, April 18, 2002
2
4
SA+12V
5.6n, 50V
2
2
5.6n, 50V
SARTN
C65
Q8
Q2
C64
SARTN
4
4
D2
Si4842DY
R46
DNP
Q9
Q3
R12
R28
0
R108
DNP
0
4
Sheet
L2
0.8uH
0.8uH
4
D26
L3
D27
Q4
Q10
1
1
1
TP8
TP1
Reverse
Voltage at D26
and D27, at
least 40V
o f
R9
DNP
C9
6
VS-
R e v
VS+
C
D
C
B
A