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ADPL74101 Datasheet(PDF) 44 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) 44 Page - Analog Devices

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Data Sheet
ADPL74101
analog.com
Rev. 0
44 of 49
Figure 44. High-Efficiency, 3.3VOUT, Buck Regulator
Figure 45. VOUT Efficiency vs. Load Current for
Figure 44
MTOP
MBOT
L
1.5µH
4.7nF
100pF
4.7µF
0.1µF
1nF
0.1µF
4.12kΩ
20Ω
2Ω
0.1µF
19.1kΩ
60.4kΩ
RSENSE
2mΩ
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
5V TO 50V
CIN1
47µF
×2
CIN2
10µF
×2
COUT2
22µF
×3
COUT1
330µF
×1
VOUT
3.3V
15A
fSW: 370kHz
MTOP: ONSEMI NTMFS5C670NL
MBOT: ONSEMI NTMFS5C646NL
L: COILCRAFT XGL1010-152
CIN1: 47µF 100V NICHICON UUX2A470MNL1GS
CIN2: 10µF 100V MURATA GRM32EC72A106KE05L
COUT1: 330µF 6.3V PANASONIC 6TPE330MFL
COUT2: 22µF 10V MURATA GRM31CR71A226K
fSW = 370kHz
VOUT = 3.3V
FCM
VIN = 12V
VIN = 24V
VIN = 36V
VIN = 48V
LOAD CURRENT (A)
0
3
6
9
12
15
80
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90
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100



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