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ADP1829ACPZ-R7 数据表(PDF) 28 Page - Analog Devices

部件名 ADP1829ACPZ-R7
功能描述  Dual, Interleaved, Step-Down DC-to-DC Controller with Tracking
PDF  32 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP1829ACPZ-R7 数据表(HTML) 28 Page - Analog Devices

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ADP1829
Rev. 0 | Page 28 of 32
The ADP1829 can also be configured to drive an output load of
less than 1 A. Figure 35 shows a typical application circuit that
drives 1.5 A and 3 A loads in all multilayer ceramic capacitor
(MLCC) solutions. Note that the two MOSFETs used in this
example are dual-channel MOSFETs in a PowerPAK® SO-8
package, which reduces cost and saves layout space. An
alternative to using the dual-channel SO-8 package is using two
single MOSFETs in SOT-23 or TSOP-6 packages, which are low
cost and small in size.
1µF
COUT2
47µF
COUT3
100µF
6.65kΩ
1.5nF
120nF
120nF
6.65kΩ
1.5nF
1µF
10µF
COUT1
100µF
8.2nF
84.5Ω
2kΩ
M2
1.4kΩ
1kΩ
IN
84.5Ω
1.33kΩ
M4
8.2nF
1.0V, 3A
L2
2.2µH
L1
2.5µH
M3
M1
0.22µF
0.22µF
1µF
10µF
×2
1µF
10µF
×2
D1
D2
1µF
VIN = 3V TO 5.5V
1.8V, 1.5A
PV
IN
TRK1
TRK2
VREG
BST1
DH1
SW1
CSL1
DL1
PGND1
FB1
COMP1
EN1
EN2
BST2
DH2
SW2
CSL2
DL2
PGND2
FB2
COMP2
FREQ
LDOSD
SYNC
GND
AGND
PGND
fOSC = 600kHz
M1 TO M4: DUAL-CHANNEL SO-8 IRF7331
L2: TOKO, FDV0602-2R2M
COUT2: MURATA, GRM31CR60J476M
L1: SUMIDA, CDRH5D28-2R5NC
COUT1, COUT3: MURATA, GRM31CR60J107M
D1, D2: VISHAY BAT54
ADP1829
2kΩ
4.12kΩ
Figure 35. Application Circuit with all Multilayer Ceramic Capacitors (MLCC)



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