ISL6551EVAL1 Intersil, ISL6551EVAL1 Datasheet - Page 49

• 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
REMOTE_SENSE
SENSE_RTN
CSS
3.3Vout
Tie these to
the last
output cap
SARTN
SAPGND
3.3Vsense
JP2
1
3
5
5
1
3
50
R131
JP1
R44
DNP
1
0.1u
C76
D24
2
BAV70LT1
2
SAICRTN
R68
3.65k
R36 10k
2
R7
0
R39 10k
R37
10k
R41
10k
R100
1.2k
SAICRTN
C30
10n
C27
10p
C28
10p
C72
10n
C73
10n
4
4
R34
10
28.7k
R40
SAICRTN
C24
10n
26.7k
R42
R45
10k
SAICRTN
SAICRTN
R47
26.7k
SAM (6550) Circuits
C25
0.1u
R43
110k
R38
10k
SAM (6550) Circuits
C29
SA+12V
10
11
12
13
14
15
16
17
3
3
8
9
R35
30
VCC
VOPP
VOPM
VOPOUT
VREF5
GND
BDAC
OVUVTH
DACHI
DACLO
ISL6550CIR
M5
SAICRTN
OVUVSEN
UVDLY
PGOOD
START
PEN
VID0
VID1
VID2
VID3
VID4
R8 49.9k
7
6
5
4
3
2
1
20
19
18
Title
Size
Date:
C26
0.1u
A
R32
20k
Telecom Power Supply Schematics, 3.3V@60A
Document Number
ISL6551EVAL1
Thursday, April 18, 2002
10
2
2
9
8
7
6
SW1
5-Bit SW
D31
LED
SAICRTN
Differential Amp. Output
TP26
TP28
1
2
3
4
5
TP27
R6 0
Sheet
SAICRTN
R69 100
C71
10n
3
VOPOUT
1
1
START
o f
SW2
Output
Reference
6
ENABLE
BDAC
R e v
C
D
C
B
A