Datasheet Linear Technology LTC3415EUHF#PBF — 数据表

制造商	Linear Technology
系列	LTC3415
零件号	LTC3415EUHF#PBF

7A，多相同步降压稳压器

数据表

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PDF, 322 Kb, 语言: en, 文件上传: Sep 21, 2017, 页数: 28
7A, PolyPhase Synchronous Step-Down Regulator

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价格

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Package	5x7 QFN-38
Package Code	UHF
Package Index	05-08-1701

参数化

Architecture	Constant Frequency Current Mode
Demo Boards	DC725A,DC768A
Design Tools	LTspice File,LTpowerCAD File
Export Control	no
Features	Burst Mode, Tracking, PolyPhase, External Synchronization, Spread Spectrum, 100% Duty Cycle
Frequency	2250 kHz
Frequency Sync Range	750kHz - 2.25MHz
Integrated Inductor	no
Ishutdown	0.2 µA
Isupply	0.45 mA
Max Phases	12
Monolithic	yes
Number of Outputs	1
Operating Temperature Range	0 to 85 °C
Output Current	7 A
Polyphase	yes
Switch Current	13 A
Synchronous	yes
Topology	Buck
Vin Max	5.5 V
Vin Min	2.5 V
Vout Max	5.5 V
Vout Maximum	Vin
Vout Min	0.6 V

生态计划

RoHS

Compliant

设计须知

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Cascadable 7A Point-of-Load Monolithic Buck Converter &mdash DN387
PDF, 106 Kb, 档案已发布: Feb 23, 2006
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advertisement Cascadable 7A Point-of-Load Monolithic Buck Converter
Design Note 387
Peter Guan
Introduction
Easy-to-use and compact point-of-load power supplies
are necessary in systems with widely distributed, high
current, low voltage loads. The LTCВ® 3415 provides a
compact, simple and versatile solution. It includes a pair
of integrated complementary power MOSFETs (32mО©
top and 25mО© bottom) and requires no external sense
resistor. A complete design requires an inductor and
input/output capacitors, and thatвЂ™s it. The result is a fast,
constant frequency, 7A current mode DC/DC switching
regulator.
Features
The overall solution is extremely compact since the
LTC3415вЂ™s 5mm Г— 7mm QFN package footprint is small
and its high operating frequency of 1.5MHz allows the
use of small low-proп¬Ѓle surface mount inductors and
ceramic capacitors. For loads higher than 7A, multiple
LTC3415s can be cascaded to share the load while running mutually anti-phase, which reduces overall ripple
at both the input and the output.
Other features include: Spread spectrum operation to reduce system noise Output tracking for controlled VOUT ramp-up and …

文章

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Cascadable, 7A Point-of-Load Monolithic Buck Converter &mdash LT Journal
PDF, 313 Kb, 档案已发布: Mar 28, 2006
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L DESIGN FEATURES Cascadable, 7A Point-of-Load
by Peter Guan
Monolithic Buck Converter
Introduction
Easy-to-use and compact point-ofload power supplies are necessary
in systems with widely distributed,
high current, low voltage loads. The
LTC3415 provides a compact, simple,
complete and versatile solution. It
includes a pair of integrated complementary power MOSFETs (32mО© top
and 25mО© bottom) and requires no
external sense resistor. A complete
design involves choosing an inductor
and input/output capacitors, and
thatвЂ™s it. The result is a fast, constant
frequency, current mode, 7A DC/DC
switching regulator. 0.1ВµF 47ВµF
6.3V
3x 38
1
3
4
5 10pF 6 …

模型线

系列: LTC3415 (2)

LTC3415EUHF#PBF LTC3415EUHF#TRPBF

制造商分类

Power Management > Switching Regulator > Step-Down (Buck) Regulators > Internal Power Switch Buck

其他名称:

LTC3415EUHFPBF, LTC3415EUHF PBF

相关刊物

数据表 Datasheet Analog Devices LTC3415

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