Datasheet Linear Technology LTC3608IWKG#TRPBF — 数据表

制造商	Linear Technology
系列	LTC3608
零件号	LTC3608IWKG#TRPBF

18V，8A单片同步降压型DC / DC转换器

数据表

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PDF, 480 Kb, 语言: en, 文件上传: Sep 22, 2017, 页数: 26
18V, 8A Monolithic Synchronous Step-Down DC/DC Converter

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价格

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Package	7x8 QFN-52
Package Code	WKG
Package Index	05-08-1768

参数化

Architecture	Constant On-Time Current Mode
Demo Boards	DC1320A-A
Design Tools	LTspice File,LTpowerCAD Model
Export Control	no
Features	Power Good
Integrated Inductor	no
Ishutdown	15 µA
Isupply	0.9 mA
Max Phases	1
Monolithic	yes
Number of Outputs	1
Operating Temperature Range	-40 to 85 °C
Output Current	8 A
Polyphase	no
Switch Current	16 A
Synchronous	yes
Topology	Buck
Vin Max	18 V
Vin Min	4 V
Vout Max	17.82 V
Vout Maximum	.99Vin
Vout Min	0.6 V

生态计划

RoHS

Compliant

设计须知

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Monolithic Synchronous Step-Down Regulator Delivers up to 12A from a Wide Input Voltage Range &mdash DN457
PDF, 75 Kb, 档案已发布: Jan 8, 2009
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advertisement Monolithic Synchronous Step-Down Regulator Delivers up to 12A
from a Wide Input Voltage Range вЂ“ Design Note 457
Charlie Zhao and Henry Zhang
Typical Application Example
Figure 1 shows a typical application schematic of the
LTC3608. This 7mm Г— 8mm regulator supplies 2.5V at 8A
maximum load current from a 4.5V to 20V input source.
This application switches at a nominal 650kHz, which
allows the use of low proп¬Ѓle inductor and capacitors while
maintaining high efп¬Ѓciency. The switching frequency can
be easily adjusted by a resistor (RON in Figure 1, connected
to the ION pin). Figure 2 shows the operating efп¬Ѓciency. Introduction
The LTC В®3610 is a high power monolithic synchronous step-down DC/DC regulator that can deliver up
to 12A of continuous output current from a 4V to 24V
(28V maximum) input supply. It is a member of a high
current monolithic regulator family (see Table 1) that
features integrated low RDS(ON) N-channel top and bottom MOSFETs. This results in a high efп¬Ѓciency and high
power density solution with few external components.
This regulator family uses a constant on-time valley
current mode architecture that is capable of operating
at very low duty cycles at high frequency and with very
fast transient response. All are available in low proп¬Ѓle
(0.9mm max) QFN packages. The FCB pin is connected to ground to force continuous …

文章

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32VIN Synchronous Buck Regulators with Integrated FETs Deliver up to 12A from Sub-1mm Height Packages &mdash LT Journal
PDF, 246 Kb, 档案已发布: Sep 23, 2008
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LвЂ‰DESIGN IDEAS 32VIN Synchronous Buck Regulators
with Integrated FETs Deliver up to 12A
from Sub-1mm Height Packages
by Stephanie Dai and Theo Phillips
Introduction
Monolithic buck regulators are easy
to hook up and they make it possible
to squeeze an entire DC/DC converter
into very tight spaces. Although monolithics are an easy fit, they arenвЂ™t the
perfect fit for every application. For
instance, they typically lack the capability to efficiently convert high input
voltages (>12V) to low voltages at high
output currents (>4A), thus leaving the
job to a traditional controller IC and
external MOSFETs.
A new family of devices, though,
offers the advantages of monolithics
with the low duty cycle and high efficiency of discrete components. The
LTC3608, LTC3609, LTC3610 and
LTC3611 are synchronous buck converters that bring high power density
and simplified design to point-of-load
applications. With a maximum input of A new family of devices
offers the advantages of …

模型线

系列: LTC3608 (4)

LTC3608EWKG#PBF LTC3608EWKG#TRPBF LTC3608IWKG#PBF LTC3608IWKG#TRPBF

制造商分类

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

其他名称:

LTC3608IWKGTRPBF, LTC3608IWKG TRPBF