EL7566DRE-EVAL Intersil, EL7566DRE-EVAL Datasheet - Page 2

• Manufacturer Part Number: EL7566DRE-EVAL
• Description: DEMO BOARD FOR EL7566
• Manufacturer: Intersil

Specifications of EL7566DRE-EVAL

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 1.8V
• Current - Output: 6A
• Voltage - Input: 3 ~ 6V
• Regulator Topology: Buck
• Frequency - Switching: 500kHz
• Board Type: Fully Populated
• Utilized Ic / Part: EL7566
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

NOTES:
The output voltage can be as high as the input voltage minus
the PMOS and inductor voltage drops. Use R
the output voltage according to the following formula:
Where V
When the resisters are changed, please change the
compensation capacitor C
convenience, standard values of R
Table 2.
R
used. Connect TM and SEL pins directly to ground.
1206, 1210, 1812, and D-size can be placed at C
positions.
V
1. May be substituted by Sanyo (619-661-6835) POSCAP 4TPE150M.
2. May be substituted by Sanyo POSCAP 6TPE100M or higher value.
5
O
TABLE 2. FEEDBACK RESISTER AND COMPENSATION
and R
V
=
O
0.8
1.2
1.5
1.8
2.5
3.3
DESIGNATOR
1
C
V
C
(V)
10
FB
5
FB
C
6
(Note 1)
2
(Note 2)
C
C
C
C
R
R
R
R
R
U1
×
can be eliminated if voltage margin feature is not
L
=0.8V
, C
1
0
7
8
9
0
1
2
5
6
VALUES (SPCAP)



1
4
+
C
R
------ -
R
8200
8200
8200
8200
8200
8200
8200
0
1
2
(pF)



0
EL7566DRE
and resister R
R
270pF 5%
150µF/4V
100µF/6V
7.68K/1%
12.7K/1%
10.2K/1%
0
3.57
4.42
5.23
6.49
7.68
10.5
13.7
0.022µF
8200pF
10K/1%
10K/1%
2
VALUE
2.7µH
(kΩ)
TABLE 1. DEMO BOARD BILL OF MATERIAL WITH SPCAP (V
1µF
1µF
1
and R
R
1
2.49
4.99
12.7
21.5
10
36
0
2
(kΩ)
0
. For the
are listed in
HTSSOP-28
1
PACKAGE
and R
D-Size
D-Size
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
5
and C
R
Technical Brief 415
Open
2
2
11.5
10.2
11.5
10
10
10
(kΩ)
to set
10
Any X5R or X7R
Any X5R or X7R
Panasonic
Any
Any X5R or X7R
Any X5R or X7R
Panasonic
Any
Any
Any
Any
Any
Coilcraft
Intersil
MANUFACTURER
Ceramic capacitors (X5R or X7R types only) can be use for
the input and output with equivalent capacitance for C
C
compensation values with MLCC capacitors.
10
TABLE 3. FEEDBACK RESISTER AND COMPENSATION
V
. Different R
O
0.8
1.2
1.5
1.8
2.5
3.3
1
(V)
VALUES WITH MLCC CAPACITORS
C
0
0.012
0.012
0.012
0.012
0.012
0.012
0.012
0
and C
(µF)
O
408-945-5660
847-639-6400
888-INTERSIL
= 1.8V)
0
are required. Table 3 lists the
PHONE #
R
0
3.09
3.57
4.42
5.23
6.49
7.68
10.5
(kΩ)
R
EEFUD0G151(X)R
EEFUD0J101(X)R
DO3316P-272HC
EL7566DRE
1
2.49
4.99
12.7
21.5
10
36
(kΩ)
0
PART NUMBER
R
Open
2
10.2
11.5
11.5
10
10
10
5
(kΩ)
and