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ADP1850ACPZ-R7 数据表(PDF) 29 Page - Analog Devices

部件名 ADP1850ACPZ-R7
功能描述  Wide Range Input, Dual/Two-Phase, DC-to-DC Synchronous Buck Controller
PDF  32 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP1850ACPZ-R7 数据表(HTML) 29 Page - Analog Devices

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Data Sheet
ADP1850
Rev. C | Page 29 of 32
VCCO
VCCO
20k
EN1
SYNC
100nF
TO
VIN
VIN
VCCO
VDL
AGND
FREQ
EN2
SW1
DH1
PGND1
DL1
DL2
PGND2
DH2
SW2
ADP1850
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
32
31
30
29
28
27
26
25
9
10
11
12
13
14
15
16
5.34k
33pF
1.8nF
8.66k
33pF
1nF
100nF
1µF
0.1µF
0.1µF
1µF
1µF
4.99k
L2
M4
M3
47k
COUT2
CIN2
VOUT2
1.8V
1.8A
VIN
4.99k
L1
M2
M1
47k
COUT1
CIN1
VOUT1
1.05V
1.8A
VIN = 3V TO 5.5V
20kΩ
10kΩ
CIN1, CIN2: 4.7µF/X5R/16V/0805 × 2, GRM219R60J475KE19, MURATA
COUT1, COUT2: 22µF/XR5/0805/6.3V, GRM21BR60J226ME39, MURATA
fSW = 800kHz, PULSE SKIP MODE
L1, L2: 1µH, TOKO D62LCB1R0M
M1, M2, M3, M4: SI2302ADS, SOT23
7.5k
10k
5
78.7kΩ
Figure 46. Typical Low Current Application with VIN < 5.5 V



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