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ADP1871ARMZ-0.3-R7 датащи(PDF) 31 Page - Analog Devices

номер детали ADP1871ARMZ-0.3-R7
подробное описание детали  Synchronous Buck Controller with Constant On-Time and Valley Current Mode
PDF  44 Pages
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
Logo AD - Analog Devices

ADP1871ARMZ-0.3-R7 датащи(HTML) 31 Page - Analog Devices

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ADP1870/ADP1871
Rev. 0 | Page 31 of 44
EXTERNAL COMPONENT RECOMMENDATIONS
The configurations listed in Table 10 are with fCROSS = 1/12 × fSW, fZERO = ¼ × fCROSS, RRES = 100 kΩ, RBOT = 15 kΩ, RON = 5.4 mΩ
(BSC042N03MS G), VREG = 5 V (float), and a maximum load current of 14 A.
The ADP1871 models listed in Table 10 are the PSM versions of the device.
Table 10. External Component Values
Marking Code
SAP Model
ADP1870
ADP1871
VOUT
(V)
VIN
(V)
CIN
(μF)
COUT
(μF)
L1
(μH)
RC
(kΩ)
CCOMP
(pF)
CPAR
(pF)
RTOP
(kΩ)
ADP1870ARMZ-0.3-R7/
ADP1871ARMZ-0.3-R7
LDW
LDG
0.8
13
5 × 222
5 × 5603
0.72
47
740
74
5.0
LDW
LDG
1.2
13
5 × 222
4 × 5603
1.0
47
740
74
15.0
LDW
LDG
1.8
13
4 × 222
4 × 2704
1.0
47
571
57
30.0
LDW
LDG
2.5
13
4 × 222
3 × 2704
1.53
47
571
57
47.5
LDW
LDG
3.3
13
5 × 222
2 × 3305
2.0
47
571
57
67.5
LDW
LDG
5
13
4 × 222
3305
3.27
34
800
80
110.0
LDW
LDG
7
13
4 × 222
222 + ( 4 × 476)
3.44
34
800
80
160.0
LDW
LDG
1.2
16.5
4 × 222
4 × 5603
1.0
47
740
74
15.0
LDW
LDG
1.8
16.5
3 × 222
4 × 2704
1.0
47
592
59
30.0
LDW
LDG
2.5
16.5
3 × 222
4 × 2704
1.67
47
592
59
47.5
LDW
LDG
3.3
16.5
3 × 222
2 × 3305
2.00
47
592
59
67.5
LDW
LDG
5
16.5
3 × 222
2 × 1507
3.84
34
829
83
110.0
LDW
LDG
7
16.5
3 × 222
222 + 4 × 476
4.44
34
829
83
160.0
ADP1870ARMZ-0.6-R7/
ADP1871ARMZ-0.6-R7
LDX
LDM
0.8
5.5
5 × 222
4 × 5603
0.22
47
339
34
5.0
LDX
LDM
1.2
5.5
5 × 222
4 × 2704
0.47
47
326
33
15.0
LDX
LDM
1.8
5.5
5 × 222
3 × 2704
0.47
47
271
27
30.0
LDX
LDM
2.5
5.5
5 × 222
3 × 1808
0.47
47
271
27
47.5
LDX
LDM
1.2
13
3 × 222
5 × 2704
0.47
47
407
41
15.0
LDX
LDM
1.8
13
5 × 109
3 × 3305
0.47
47
307
31
30.0
LDX
LDM
2.5
13
5 × 109
3 × 2704
0.90
47
307
31
47.5
LDX
LDM
3.3
13
5 × 109
2 × 2704
1.00
47
307
31
67.5
LDX
LDM
5
13
5 × 109
1507
1.76
34
430
43
110.0
LDX
LDM
1.2
16.5
3 × 109
4 × 2704
0.47
47
362
36
15.0
LDX
LDM
1.8
16.5
4 × 109
2 × 3305
0.72
47
326
33
30.0
LDX
LDM
2.5
16.5
4 × 109
3 × 2704
0.90
47
326
33
47.5
LDX
LDM
3.3
16.5
4 × 109
3305
1.0
47
296
30
67.5
LDX
LDM
5
16.5
4 × 109
4 × 476
2.0
34
415
41
110.0
LDX
LDM
7
16.5
4 × 109
3 × 476
2.0
34
380
38
160.0
ADP1870ARMZ-1.0-R7/
ADP1871ARMZ-1.0-R7
LDY
LDN
0.8
5.5
5 × 222
4 × 2704
0.22
47
223
22
5.0
LDY
LDN
1.2
5.5
5 × 222
2 × 3305
0.22
47
223
22
15.0
LDY
LDN
1.8
5.5
3 × 222
3 × 1808
0.22
47
163
16
30.0
LDY
LDN
2.5
5.5
3 × 222
2704
0.22
47
163
16
47.5
LDY
LDN
1.2
13
3 × 109
3 × 3305
0.22
47
233
23
15.0
LDY
LDN
1.8
13
4 × 109
3 × 2704
0.47
47
210
21
30.0
LDY
LDN
2.5
13
4 × 109
2704
0.47
47
210
21
47.5
LDY
LDN
3.3
13
5 × 109
2704
0.72
47
210
21
67.5
LDY
LDN
5
13
4 × 109
3 × 476
1.0
34
268
27
110.0
LDY
LDN
1.2
16.5
3 × 109
4 × 2704
0.47
47
326
33
15.0
LDY
LDN
1.8
16.5
3 × 109
3 × 2704
0.47
47
261
26
30.0
LDY
LDN
2.5
16.5
4 × 109
3 × 1808
0.72
47
233
23
47.5
LDY
LDN
3.3
16.5
4 × 109
2704
0.72
47
217
22
67.5



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