LX1675CLQ

更新时间： 2024-11-11 04:19:27

品牌	Logo	应用领域
美高森美 - MICROSEMI		/
页数	文件大小	规格书
19页	325K
描述
Multiple Output LoadSHARE⑩ PWM PRODUCTION DATA SHEET

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技术参数
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LX1675CLQ 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	QFN
包装说明：	HVQCCN, LCC38,.2X.28,20	针数：	38
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.21
模拟集成电路 - 其他类型：	SWITCHING CONTROLLER	控制模式：	VOLTAGE-MODE
控制技术：	PULSE WIDTH MODULATION	最大输入电压：	24 V
最小输入电压：	4.5 V	标称输入电压：	12 V
JESD-30 代码：	R-PQCC-N38	JESD-609代码：	e3
长度：	7 mm	湿度敏感等级：	1
功能数量：	1	端子数量：	38
最高工作温度：	85 °C	最低工作温度：
最大输出电流：	1.5 A	封装主体材料：	PLASTIC/EPOXY
封装代码：	HVQCCN	封装等效代码：	LCC38,.2X.28,20
封装形状：	RECTANGULAR	封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：	260	认证状态：	Not Qualified
座面最大高度：	1 mm	子类别：	Switching Regulator or Controllers
表面贴装：	YES	切换器配置：	PHASE-SHIFT
最大切换频率：	690 kHz	温度等级：	COMMERCIAL EXTENDED
端子面层：	MATTE TIN	端子形式：	NO LEAD
端子节距：	0.5 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	40	宽度：	5 mm
Base Number Matches：	1

LX1675CLQ 数据手册

LX1675

Multiple Output LoadSHARE™ PWM

PRODUCTION DATA SHEET

KEY FEATURES

DESCRIPTION

Four Independently Regulated

Outputs

The LX1675 is a highly integrated

High current MOSFETs can be directly

power supply controller IC featuring driven to provide an LDO output of 5A

three voltage mode PWM switching and 15A for each PWM controller. This

regulator stages with an additional is useful for I/O, memory, termination,

onboard linear regulator driver.

Two of the constant frequency PWM micro-processor based designs.

phases can be easily configured for a

single Bi-Phase high current output or supply voltage ranging from 4.5V to 24V.

operated as two independently regulated Each PWM regulator output voltage is

outputs. All outputs (PWM phases and programmed via a simple voltage-divider

Single Input Supply with Wide

Voltage Range: 4.5-24V

Outputs As Low As 0.8V

Generated From a Precision

Internal Reference

Selectable PWM Frequency of

300KHz or 600KHz

Buffered Reference Voltage

Output

Multiphase Output Reduces

Need for Large Input

Capacitance at High Currents

Integrated High Current

MOSFET Drivers

and other supplies surrounding today’s

The LX1675 accepts a wide range of

LDO) have separate, programmable soft- network.

The LX1675 design gives

start sequencing. This versatility yields engineers maximum flexibility with

either three or four independently respect to the MOSFET supply. Each

regulated outputs with full power phase can utilize different supply voltages

sequencing capability giving system for efficient use of available supply rails.

designers the ultimate flexibility in power

supply design.

Additionally, when two phases are

configured in Bi-Phase output, the

Independent Soft-Start and

Power Sequencing

Adjustable Linear Regulator

Driver Output

No Current-Sense Resistors

DDR Termination Compliant

RoHS Compliant for Pb Free

Current limit for each PWM regulator LoadSHARE^™

topology

can

is provided by monitoring the voltage programmed via inductor ESR selection.

drop across the lower MOSFET power The split phase operation reduces power

stage during conduction, utilizing the loss, noise due to the ESR of the input

Rds(on) impedance. This eliminates the capacitors and allows for reduction in

need for expensive current sense capacitance values while maximizing

resistors. Once current limit has been regulator response time. The internal

reached and persist for 4 clock cycles, the reference voltage is buffered and brought

output is shut off and Soft Start is out on a separate pin to be used as an

initialized to force a hiccup mode for external reference voltage.

APPLICATIONS

Multi-Output Power Supplies

Video Card Power Supplies

PC Peripherals

Portable PC Processor and I/O

Supply

protection.

IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com

LoadSHARE is a Trademark of Microsemi Corporation

Protected by U.S. Patents 6,285,571 and 6,292,378

PACKAGE ORDER INFO

PRODUCT HIGHLIGHT

VIN 4.5V to 24V

Plastic MLPQ

T_A(°C)

38-Pin

RoHS Compliant / Pb-free

0 to 85

-40 to 85

LX1675CLQ

LX1675ILQ

VCCL

VIN

HOX

VCX

HRX

CSX

LOX

PGX

FBX

VSLR

LDGD

LDFB

SSX

5µh

Note: Available in Tape & Reel. Append the

letters “TR” to the part number. (i.e.

LX1675CLQ-TR)

VOUT1, 2, 3

VOUT4

LX1675

AGND

EOX

ONE OF 3 PWM SECTIONS

Rev. 1.2a, 2006-02-16

Microsemi

Page 1

Integrated Products Division

11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

12 3 4 5 6 7...19

中文翻译

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与LX1675CLQ相关器件

型号	品牌	获取价格	描述	数据表
LX1675CLQ-TR	MICROSEMI	获取价格	Switching Controller, Voltage-mode, 1.5A, 690kHz Switching Freq-Max, PQCC38, 5 X 7 MM, ROH
LX1675ILQ	MICROSEMI	获取价格	Multiple Output LoadSHARE⑩ PWM PRODUCTION DAT
LX1676	MICROSEMI	获取价格	Mobile AMD AthlonTM VRM Controller
LX1676_05	MICROSEMI	获取价格	Mobile AMD Athlon? VRM Controller
LX1676CLQ	ETC	获取价格	PWM Controllers
LX1676-CLQ	MICROSEMI	获取价格	Mobile AMD AthlonTM VRM Controller
LX1676-CLQTR	MICROSEMI	获取价格	1.5A SWITCHING CONTROLLER, 1100kHz SWITCHING FREQ-MAX, PQCC38, PLASTIC, MLPQ-38
LX1676CLQ-TR	MICROSEMI	获取价格	暂无描述
LX1676CPW	ETC	获取价格	PWM Controllers
LX1676-CPW	MICROSEMI	获取价格	Mobile AMD AthlonTM VRM Controller

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