Datasheet > 电源电路 > 开关式稳压器或控制器> LM2675LD-5.0/NOPB

LM2675LD-5.0/NOPB

更新时间： 2024-11-23 12:18:43

品牌	Logo	应用领域
德州仪器 - TI		转换器稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数	文件大小	规格书
30页	1507K
描述
LM2675 SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator

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LM2675LD-5.0/NOPB 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：	SON
包装说明：	HVSON,	针数：	16
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	1.47
模拟集成电路 - 其他类型：	SWITCHING REGULATOR	控制模式：	VOLTAGE-MODE
最大输入电压：	40 V	最小输入电压：	6.5 V
标称输入电压：	12 V	JESD-30 代码：	S-PDSO-N16
JESD-609代码：	e3	长度：	5 mm
湿度敏感等级：	3	功能数量：	1
端子数量：	16	最高工作温度：	125 °C
最低工作温度：	-40 °C	最大输出电流：	2.2 A
最大输出电压：	37 V	最小输出电压：	1.23 V
标称输出电压：	5 V	封装主体材料：	PLASTIC/EPOXY
封装代码：	HVSON	封装形状：	SQUARE
封装形式：	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE	峰值回流温度（摄氏度）：	260
座面最大高度：	0.8 mm	表面贴装：	YES
切换器配置：	BUCK	最大切换频率：	260 kHz
技术：	DMOS	温度等级：	AUTOMOTIVE
端子面层：	Matte Tin (Sn)	端子形式：	NO LEAD
端子节距：	0.5 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	5 mm
Base Number Matches：	1

LM2675LD-5.0/NOPB 数据手册

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LM2675

www.ti.com

SNVS129E –MAY 2004–REVISED JUNE 2005

LM2675 SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage

Regulator

Check for Samples: LM2675

FEATURES

DESCRIPTION

The LM2675 series of regulators are monolithic

integrated circuits built with a LMDMOS process.

These regulators provide all the active functions for a

step-down (buck) switching regulator, capable of

driving a 1A load current with excellent line and load

regulation. These devices are available in fixed output

voltages of 3.3V, 5.0V, 12V, and an adjustable output

version.

234

•

Efficiency up to 96%

•

Available in 8-pin SOIC and PDIP Packages

and a 16-pin WSON Package

•

Computer Design Software LM267X Made

Simple (version 6.0)

•

Simple and Easy to Design with

Requires Only 5 External Components

Uses Readily Available Standard Inductors

Requiring

minimum number of external

components, these regulators are simple to use and

include patented internal frequency compensation

(Patent Nos. 5,382,918 and 5,514,947) and a fixed

frequency oscillator.

3.3V, 5.0V, 12V, and Adjustable Output

Versions

•

Adjustable Version Output Voltage Range:

1.21V to 37V

The LM2675 series operates at a switching frequency

of 260 kHz, thus allowing smaller sized filter

components than what would be needed with lower

frequency switching regulators. Because of its very

high efficiency (>90%), the copper traces on the

printed circuit board are the only heat sinking needed.

±1.5% Max Output Voltage Tolerance Over

Line and Load Conditions

•

Ensured 1A Output Load Current

0.25Ω DMOS Output Switch

Wide Input Voltage Range: 8V to 40V

260 kHz Fixed Frequency Internal Oscillator

A family of standard inductors for use with the

LM2675 are available from several different

manufacturers. This feature greatly simplifies the

design of switch-mode power supplies using these

advanced ICs. Also included in the datasheet are

selector guides for diodes and capacitors designed to

work in switch-mode power supplies.

TTL Shutdown Capability, Low Power Standby

Mode

•

Thermal Shutdown and Current Limit

Protection

Other features include a ensured ±1.5% tolerance on

output voltage within specified input voltages and

output load conditions, and ±10% on the oscillator

frequency. External shutdown is included, featuring

typically 50 μA stand-by current. The output switch

includes current limiting, as well as thermal shutdown

for full protection under fault conditions.

TYPICAL APPLICATIONS

•

Simple High Efficiency (>90%) Step-Down

(Buck) Regulator

•

Efficient Pre-Regulator for Linear Regulators

Positive-to-Negative Converter

To simplify the LM2675 buck regulator design

procedure, there exists computer design software,

LM267X Made Simple version 6.0.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

SIMPLE SWITCHER is a registered trademark of Texas Instruments.

Windows is a registered trademark of Microsoft Corporation.

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...30

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LM2675LD-5.0/NOPB 替代型号

型号	品牌	替代类型	描述	数据表
LM2675LD-5.0	TI	类似代替	LM2675 SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage

与LM2675LD-5.0/NOPB相关器件

型号	品牌	获取价格	描述	数据表
LM2675LD-5.0EP	NSC	获取价格	IC 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, DSO8, LLP-8, Switching Regulator
LM2675LD-ADJ	TI	获取价格	LM2675 SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage
LM2675LD-ADJ	NSC	获取价格	SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675LD-ADJ/NOPB	TI	获取价格	LM2675 SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675LD-ADJEP	NSC	获取价格	IC 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, DSO8, LLP-8, Switching Regulator
LM2675LDX-12	NSC	获取价格	SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675LDX-12EP	NSC	获取价格	IC 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, DSO8, LLP-8, Switching Regulator
LM2675LDX-3.3	NSC	获取价格	SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675LDX-3.3EP	NSC	获取价格	IC 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, DSO8, LLP-8, Switching Regulator
LM2675LDX-5.0	NSC	获取价格	SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator

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