ADPL74101 datasheet(43/49 Pages) AD

Part #	ADPL74101

Description	100V Synchronous Step-Down Controller with Internal Bootstrap Switch

PDF	49 Pages

Scroll/Zoom	100%

Manufacturer	AD [Analog Devices]

Direct Link	http://www.analog.com

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43 / 49 page

Data Sheet

ADPL74101

analog.com

Rev. 0

43 of 49

TYPICAL APPLICATIONS

Figure 42. High-Efficiency, 5VOUT 20A, Buck Regulator

Figure 43. VOUT Efficiency vs. Load Current for

Figure 42

MTOP

MBOT

3.1µH

100pF

8.2nF

680pF

4.7µF

0.1µF

1nF

0.1µF

4.12kΩ

36.5kΩ

RSENSE

2mΩ

20Ω

2Ω

412kΩ

187kΩ

0.1µF

RUN

BOOST

SENSE+

SENSE–

EXTVCC

VFB

GND

DRVSET

VPRG

MODE

DRVUV

FREQ

TRACK/SS

ITH

ILIM

PGOOD

PLLIN/SPREAD

VIN

fSW: 200kHz

MTOP: INFINEON BSC146N10LS5

MBOT: INFINEON BSC034N10LS5

L: WURTH 7443630310

CIN1: 47µF 100V NICHICON UUX2A470MNL1GS

CIN2: 10µF 100V MURATA GRM32EC72A106KE05L

COUT1: 150µF 6.3V PANASONIC 6TPE150MAZB

COUT2: 100µF 6.3V TAIYO YUDEN MSASJ32YBB5107MTNA01

VIN

ADPL74101

DRVCC

INTVCC

VIN

16V TO 72V

CIN1

47µF

×2

CIN2

10µF

×2

COUT2

100µF

×3

COUT1

150µF

×2

VOUT

20A

fSW = 200kHz

VOUT = 5V

FCM

VIN = 24V

VIN = 36V

VIN = 48V

VIN = 72V

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ADPL74101 Datasheet(PDF) 43 Page - Analog Devices

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