ADP1875 Analog Devices, ADP1875 Datasheet - Page 35

• Manufacturer Part Number: ADP1875
• Description: Synchronous Buck Controller with Constant On-Time, Valley Current Mode, and Power Saving Mode
• Manufacturer: Analog Devices

SAP Model
ADP1874ARQZ-1.0-R7/
1
2
3
4
5
6
7
8
9
Table 11. Recommended Inductors
L (μH)
0.12
0.22
0.47
0.72
0.9
1.2
1.0
1.4
2.0
0.8
Table 12. Recommended MOSFETs
V
Upper-Side MOSFET
Lower-Side MOSFET
See the
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.
GS
ADP1875ARQZ-1.0-R7
(Q1/Q2)
(Q3/Q4)
= 4.5 V
Inductor Selection
DCR (mΩ)
0.33
0.33
0.8
1.65
1.6
1.8
3.8
3.2
2.6
section and
R
5.4
10.2
6.0
9
5.4
10.2
6.0
ON
ADP1874
1874/1.0
1874/1.0
1874/1.0
1874/1.0
1874/1.0
1874/1.0
1874/1.0
1874/1.0
1874/1.0
1874/1.0
1874/1.0
1874/1.0
1874/1.0
1874/1.0
1874/1.0
(mΩ)
(First Line/Second Line)
Table 11
Marking Code
I
55
30
50
35
32
25
16
24
23
27.5
SAT
I
47
53
19
14
47
82
19
D
(A)
(A)
.
ADP1875
1875/1.0
1875/1.0
1875/1.0
1875/1.0
1875/1.0
1875/1.0
1875/1.0
1875/1.0
1875/1.0
1875/1.0
1875/1.0
1875/1.0
1875/1.0
1875/1.0
1875/1.0
V
30
30
30
30
30
30
30
DS
(V)
Dimension (mm)
10.2 × 7
10.2 × 7
14.2 × 12.8
10.5 × 10.2
14 × 12.8
10.5 × 10.2
10.2 × 10.2
14 × 12.8
10.2 × 10.2
C
3.2
1.6
2.4
3.2
1.6
V
(V)
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
IN
OUT
(nF)
Rev. 0 | Page 35 of 44
V
(V)
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
Q
20
10
35
20
10
35
25
TOTAL
C
(μF)
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
(nC)
IN
2
2
2
2
9
9
9
9
9
9
9
9
9
9
9
Package
PG-TDSON8
PG-TDSON8
SO-8
SO-8
PG-TDSON8
PG-TDSON8
SO-8
C
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
Manufacturer
Würth Elektronik
Würth Elektronik
Würth Elektronik
Würth Elektronik
Würth Elektronik
Würth Elektronik
Würth Elektronik
Würth Elektronik
Würth Elektronik
Sumida
OUT
2
4
4
4
4
+ 47
(μF)
6
6
4
5
8
5
4
4
4
8
6
Manufacturer
Infineon
Infineon
Vishay
International Rectifier
Infineon
Infineon
Vishay
L
(μH)
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
ADP1874/ADP1875
R
(kΩ)
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
Model Number
744303012
744303022
744355147
744325072
744318120
744325120
7443552100
744318180
7443551200
CEP125U-0R8
C
(pF)
200
220
130
130
200
180
180
180
220
270
220
200
180
220
180
COMP
Model Number
BSC042N03MS G
BSC080N03MS G
Si4842DY
IRF7811
BSC042N03MS G
BSC080N03MS G
Si4842DY
C
(pF)
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
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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