ADP1879 Analog Devices, ADP1879 Datasheet - Page 31

• Manufacturer Part Number: ADP1879
• Description: Synchronous Buck Controller with Constant On-Time and Valley Current Mode with Power Saving Mode
• Manufacturer: Analog Devices

Data Sheet
EXTERNAL COMPONENT RECOMMENDATIONS
The configurations listed in Table 10 are with f
VREG = 5 V (float), and a maximum load current of 14 A. The
Table 10. External Component Values
Model
ADP1878ACPZ-0.3-R7/
ADP1878ACPZ-0.6-R7/
ADP1878ACPZ-1.0-R7/
1
2
3
4
5
6
7
8
9
See the Inductor Selection section and Table 11.
22 μF Murata 25 V, X7R, 1210 GRM32ER71E226KE15L (3.2 mm × 2.5 mm × 2.5 mm).
560 μF Panasonic (SP-series) 2 V, 7 mΩ, 3.7 A EEFUE0D561LR (4.3 mm × 7.3 mm × 4.2 mm).
270 μF Panasonic (SP-series) 4 V, 7 mΩ, 3.7 A EEFUE0G271LR (4.3 mm × 7.3 mm × 4.2 mm).
330 μF Panasonic (SP-series) 4 V, 12 mΩ, 3.3 A EEFUE0G331R (4.3 mm × 7.3 mm × 4.2 mm).
47 μF Murata 16 V, X5R, 1210 GRM32ER61C476KE15L (3.2 mm × 2.5 mm × 2.5 mm).
150 μF Panasonic (SP-series) 6.3 V, 10 mΩ, 3.5 A EEFUE0J151XR (4.3 mm × 7.3 mm × 4.2 mm).
180 μF Panasonic (SP-series) 4 V, 10 mΩ, 3.5 A EEFUE0G181XR (4.3 mm × 7.3 mm × 4.2 mm).
10 μF TDK 25 V, X7R, 1210 C3225X7R1E106M.
ADP1879ACPZ-0.3-R7
ADP1879ACPZ-0.6-R7
ADP1879ACPZ-1.0-R7
V
(V)
0.8
1.2
1.8
2.5
3.3
5
7
1.2
1.8
2.5
3.3
5
7
0.8
1.2
1.8
2.5
1.2
1.8
2.5
3.3
5
1.2
1.8
2.5
3.3
5
7
0.8
1.2
1.8
2.5
1.2
1.8
2.5
3.3
5
1.2
1.8
2.5
3.3
5
7
OUT
CROSS
V
(V)
13
13
13
13
13
13
13
16.5
16.5
16.5
16.5
16.5
16.5
5.5
5.5
5.5
5.5
13
13
13
13
13
16.5
16.5
16.5
16.5
16.5
16.5
5.5
5.5
5.5
5.5
13
13
13
13
13
16.5
16.5
16.5
16.5
16.5
16.5
IN
= 1/12 × f
C
(μF)
5 × 22
5 × 22
4 × 22
4 × 22
5 × 22
4 × 22
4 × 22
4 × 22
3 × 22
3 × 22
3 × 22
3 × 22
3 × 22
5 × 22
5 × 22
5 × 22
5 × 22
3 × 22
5 × 10
5 × 10
5 × 10
5 × 10
3 × 10
4 × 10
4 × 10
4 × 10
4 × 10
4 × 10
5 × 22
5 × 22
3 × 22
3 × 22
3 × 10
4 × 10
4 × 10
5 × 10
4 × 10
3 × 10
3 × 10
4 × 10
4 × 10
3 × 10
3 × 10
IN
SW
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
9
9
9
9
9
9
9
9
9
9
2
2
2
2
9
9
9
9
9
9
9
9
9
9
9
, f
Rev. 0 | Page 31 of 40
ZERO
ADP1879
= ¼ × f
C
5 × 560
4 × 560
4 × 270
3 × 270
2 × 330
330
22
4 × 560
4 × 270
4 × 270
2 × 330
2 × 150
22
4 × 560
4 × 270
3 × 270
3 × 180
5 × 270
3 × 330
3 × 270
2 × 270
150
4 × 270
2 × 330
3 × 270
330
4 × 47
3 × 47
4 × 270
2 × 330
3 × 180
270
3 × 330
3 × 270
270
270
3 × 47
4 × 270
3 × 270
3 × 180
270
3 × 47
22
OUT
2
2
2
+ ( 4 × 47
5
+ 4 × 47
7
5
4
4
4
4
+ 47
(μF)
CROSS
6
6
6
6
models listed in Table 10 are the PSM versions of the device.
3
4
5
7
8
3
4
3
4
4
5
3
4
4
4
5
4
4
4
5
4
4
5
8
5
4
4
4
8
6
, R
6
6
RES
)
= 100 kΩ, R
L
(μH)
0.72
1.0
1.2
1.53
2.0
3.27
3.44
1.0
1.0
1.67
2.00
3.84
4.44
0.22
0.47
0.47
0.47
0.47
0.47
0.90
1.00
1.76
0.47
0.72
0.90
1.0
2.0
2.0
0.22
0.22
0.22
0.22
0.22
0.47
0.47
0.72
1.0
0.47
0.47
0.72
0.72
1.2
1.2
1
BOT
= 1kΩ, R
R
(kΩ)
56.9
56.9
56.9
57.6
56.9
40.7
40.7
56.9
56.9
57.6
56.9
41.2
40.7
56.2
56.9
56.9
56.9
56.9
56.2
57.6
57.6
40.7
56.9
53.6
57.6
53.0
41.2
40.7
54.9
49.3
56.9
54.9
53.6
56.9
54.9
56.2
40.7
56.9
56.9
56.9
56.2
40.7
40.7
C
ON
ADP1878/ADP1879
= 5.4 mΩ (BSC042N03MS G),
C
(pF)
620
620
470
470
470
680
680
620
470
470
510
680
680
300
270
220
220
360
270
240
240
360
300
270
270
270
360
300
200
220
130
130
200
180
180
180
220
270
220
200
180
220
180
COMP
C
(pF)
62
62
47
47
47
68
68
62
47
47
51
68
68
300
27
22
22
36
27
24
24
36
30
27
27
27
36
30
20
22
13
13
20
18
18
18
22
27
22
20
18
22
18
PAR
R
(kΩ)
0.3
1.0
2.0
3.2
4.5
7.3
10.7
1.0
2.0
3.2
4.5
7.3
10.7
0.3
1.0
2.0
3.2
1.0
2.0
3.2
4.5
7.3
1.0
2.0
3.2
4.5
7.3
10.7
0.3
1.0
2.0
3.2
1.0
2.0
3.2
4.5
7.3
1.0
2.0
3.2
4.5
7.3
10.7
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