LT3045 datasheet(38/45 Pages) AD

tên linh kiện	LT3045

Giải thích chi tiết về linh kiện	18V, 1A Step-Down Silent Switcher 3 with Ultra-Low Noise Reference

PDF	45 Pages

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nhà sản xuất	AD [Analog Devices]

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38 / 45 page

Data Sheet

LT83201

analog.com

Rev. A 38 of 45

TYPICAL APPLICATIONS

Figure 61. 3.3V 1A 2MHz Step-Down Converter with Soft-Start, Fast Start-Up and Power Good

Figure 62. 3.3V 1A 2MHz Step-Down Converter with High Bandwidth, Soft-Start, Fast Start-Up and Power Good

47.5kΩ

1µF

33.2kΩ

1.24kΩ

280kΩ

49.9kΩ

0.1µF

1µF

4.7nF

82pF

1µF

2.2µH

2.2µF ×2

VIN

EN/UVLO

SET

GND

PGFB

OUTS

LT83201

fSW = 2MHz

BST

INTVCC

VIN

GND

VIN

3.9V* TO 18V

*MINIMUM VIN 4.2V IF IN FCM

3.3V

VOUT

10µF ×2

22µF ×2

0603

X7T

35V

4.7µF

PIN(S) NOT USED IN THIS CIRCUIT:

SYNC/MODE

CSET: GCM188D7YA105KE36#

L: DFE322512F

47.5kΩ

1µF

33.2kΩ

2.32kΩ

280kΩ

49.9kΩ

0.1µF

1µF

1.5nF

1µF

2.2µH

2.2µF ×2

VIN

EN/UVLO

SET

GND

PGFB

OUTS

LT83201

fSW = 2MHz

BST

INTVCC

VIN

GND

VIN

3.9V* TO 18V

*MINIMUM VIN 4.2V IF IN FCM

3.3V

VOUT

10µF ×2

22µF ×2

0603

X7T

35V

4.7µF

CSET: GCM188D7YA105KE36#

L: DFE322512F

PIN(S) NOT USED IN THIS CIRCUIT:

SYNC/MODE

TYPICAL PERFORMANCE CHARACTERISTIC

2MHz, 3.3VOUT NOISE DATA USES THIS CIRCUIT

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