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ADPL74101 Datasheet(PDF) 45 Page - Analog Devices

Part # ADPL74101
Description  100V Synchronous Step-Down Controller with Internal Bootstrap Switch
PDF  49 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADPL74101 Datasheet(HTML) 45 Page - Analog Devices

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Data Sheet
ADPL74101
analog.com
Rev. 0
45 of 49
Figure 46. High-Efficiency, 12VOUT, Buck Regulator
Figure 47. Load-Step Response for
Figure 46
MTOP
MBOT
L
5.5µH
100pF
4.7nF
100pF
4.7µF
0.1µF
1nF
0.1µF
7.68kΩ
36.5kΩ
RSENSE
3mΩ
20Ω
2Ω
412kΩ
124kΩ
0.1µF
100Ω
RUN
VIN
ADPL74101
TG
BOOST
SW
BG
SENSE+
SENSE–
EXTVCC
VFB
GND
DRVCC
INTVCC
DRVSET
VPRG
MODE
DRVUV
FREQ
TRACK/SS
ITH
ILIM
PGOOD
PLLIN/SPREAD
VIN
fSW: 300kHz
MTOP: INFINEON BSC146N10LS5
MBOT: INFINEON BSC070N10LS5
L: WURTH 7443630550
CIN1: 47µF 100V NICHICON UUX2A470MNL1GS
CIN2: 10µF 100V MURATA GRM32EC72A106KE05L
COUT1: 150µF 16V PANASONIC 16TQC150MYF
COUT2: 22µF 25V AVX 12103D226MAT2A
VIN
16V TO 72V
CIN1
47µF
×2
CIN2
10µF
×2
COUT2
22µF
×2
COUT1
150µF
×1
VOUT
12V
15A
100µs/DIV
VOUT
AC-COUPLED
500mV/DIV
LOAD
CURRENT
10A/DIV



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