NCP5322ADWG datasheet(3/31 Pages) ONSEMI

Part #	NCP5322ADWG

Description	Two?뭁hase Buck Controller with Integrated Gate Drivers and 5?묪it DAC

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP5322A

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Figure 2. Alternate Application Diagram, 5.0 V (with 12 V Bias) to 1.6 V at 45 A, 335 kHz

Recommended Components:

L1: Coiltronics P/N CTX15−14771 or T30−26 core with 3T of #16 AWG

L2: Coiltronics P/N CTX22−15401 or T50−52 with 5T of #16 AWG Bifilar

LVCC: Murata P/N BLM21P221SG (220 W at 100 MHz)

Q1−Q4: ON Semiconductor NTB85N03 (28 V, 85 A)

SIGGND

RLIM2

1.0 k

RLIM1

4.12 k

CREF

0.1

mF

RCSREF

33 k

SIGGND

CCSREF

0.01

mF

CSREF

RDRP1

10.7 k

CFBK2

470 pF

VFB

CAMP

2.2 nF

CCMP1

2.2 nF

SIGGND

ROSC

39.2 k

CVCC

1.0

mF

+12 V

ENABLE

NCP5322A

COMP

VFB

VDRP

Cs1

CS2

CSREF

PWRGD

VID0

VID1

VID2

VID3

VID4

ILIM

REF

ROSC

VCCL

VCCL1

GL1

GND1

GH1

VCCH1

LGND

SS

VCCL2

GL2

GND2

GH2

VCCH2

CQ1

0.1

mF

Q1

Q2

CQ3

0.1

mF

Q3

Q4

L1 300 nH

+

CINPUT

Electrolytics

L2 825 nH

COUT

Electrolytics

CCER

Ceramics

L3 825 nH

SWNODE1

SWNODE2

CS1

CS2

RCS1

50 k−100 k

RCS2

50 k−100 k

CCS1

0.01

mF

CCS2

0.01

mF

RFBK1

3.40 k

PWRGD

VID0

VID1

VID2

VID3

VID4

SIGGND

D1

MBRA120LT3

CSS

0.1

mF

SIGGND

CVCCLx

1.0

mF

CVCCHx

1.0

mF

+5.0 V

LVCC

SIGGND

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NCP5322ADWG Datasheet(PDF) 3 Page - ON Semiconductor

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