LM2675

활성

SIMPLE SWITCHER® 6.5V~40V, 1A 적은 부품 수의 스텝다운 레귤레이터

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데이터 시트

document-pdfAcrobat LM2675 SIMPLE SWITCHER® Power Converter, High-Efficiency, 1A, Step-Down Voltage Regulator datasheet (Rev. G) (영어) PDF | HTML

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대안 비교

다른 핀 출력을 지원하지만 비교 대상 장치와 동일한 기능.

LMR43610

활성

3V-36V, 1A 저 EMI, 저 IQ를 지원하는 동기식 벅 레귤레이터 New converter with low IQ and smaller size

TLVM13620

활성

4mm x 6mm x 1.8mm 패키지에 들어 있는 3.6V~36V 입력, 1V~6V 출력, 2A 스텝다운 모듈 Save board space, simplify design and speed time to market with an integrated-inductor power module.

LMR54410

활성

4V~36V, 1A, 80µA IQ 동기 SIMPLE SWITCHER® 전력 컨버터 Newer converter with better feature set

LMZM23601

활성

36V, 1A 스텝다운 DC-DC 전원 모듈(3.8mm × 3mm 패키지) Small solution size module

TPSM33615

활성

3V~36V 입력, 1V~15V 출력, 1.5A 동기식 벅 전원 모듈 Smaller design with an integrated-inductor power module.

LM2675

활성

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제품 상세 정보

Rating

Catalog

Topology

Buck

Iout (max) (A)

Vin (max) (V)

Vin (min) (V)

6.5

Vout (max) (V)

Vout (min) (V)

1.23

Features

Enable, Overcurrent protection

Control mode

Voltage mode

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.0025

Duty cycle (max) (%)

Rating

Catalog

Topology

Buck

Iout (max) (A)

Vin (max) (V)

Vin (min) (V)

6.5

Vout (max) (V)

Vout (min) (V)

1.23

Features

Enable, Overcurrent protection

Control mode

Voltage mode

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.0025

Duty cycle (max) (%)

PDIP (P)

92.5083 mm² (9.81 mm × 9.43 mm)

WSON (NHN)

25 mm² (5 mm × 5 mm)

SOIC (D)

29.4 mm² (4.9 mm × 6 mm)

Efficiency up to 96%
Available in 8-pin SOIC, PDIP, and 16-pin WSON package
Requires only 5 external components
3.3V, 5V, 12V, and adjustable output versions
1.21V to 37V adjustable version output voltage range
±1.5% maximum output voltage tolerance over line and load conditions
Specified 1A output load current
8V to 40V wide input voltage range
260kHz fixed frequency internal oscillator
TTL shutdown capability, low-power standby mode
Thermal shutdown and current limit protection
Create a custom design using the LM2675 with the WEBENCH® Power Designer

Efficiency up to 96%
Available in 8-pin SOIC, PDIP, and 16-pin WSON package
Requires only 5 external components
3.3V, 5V, 12V, and adjustable output versions
1.21V to 37V adjustable version output voltage range
±1.5% maximum output voltage tolerance over line and load conditions
Specified 1A output load current
8V to 40V wide input voltage range
260kHz fixed frequency internal oscillator
TTL shutdown capability, low-power standby mode
Thermal shutdown and current limit protection
Create a custom design using the LM2675 with the WEBENCH® Power Designer

The LM2675 series of regulators are monolithic integrated DC-DC converter 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, 5V, 12V, and an adjustable output version.

Requiring a minimum number of external components, these regulators are simple to use and include patented internal frequency compensation and a fixed frequency oscillator.

The LM2675 series operates at a switching frequency of 260kHz, thus allowing smaller-sized filter components than what is needed with lower frequency switching regulators. Because of the very high efficiency (> 90%), the copper traces on the printed-circuit board are the only heat sinking needed.

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 data sheet are selector guides for diodes and capacitors designed to work in switch-mode power supplies.

Other features include ±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 50µA stand-by current. The output switch includes current limiting, as well as thermal shutdown for full protection under fault conditions.

Requiring a minimum number of external components, these regulators are simple to use and include patented internal frequency compensation and a fixed frequency oscillator.

filter

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기술 자료

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22개 모두 보기

상위 문서	유형	직함	형식 옵션	날짜
*	데이터 시트	LM2675 SIMPLE SWITCHER® Power Converter, High-Efficiency, 1A, Step-Down Voltage Regulator datasheet (Rev. G)	PDF \| HTML	2025. 6. 25
	애플리케이션 노트	Semiconductor and IC Package Thermal Metrics (Rev. D)	PDF \| HTML	2024. 3. 25
	기술 문서	How to increase system reliability and simplify design using DC/DC converters	PDF \| HTML	2016. 6. 13
	기술 문서	The importance of accurate switching frequency and current limit when selecting bu	PDF \| HTML	2016. 4. 19
	기술 문서	Advantages of leaded packages in robust industrial designs	PDF \| HTML	2016. 3. 8
	애플리케이션 노트	Low EMI Layout Made SIMPLE With LM43600/1/2/3 and LM46000/1/2 (Rev. A)		2014. 9. 12
	애플리케이션 노트	AN-1187 Leadless Leadframe Package (LLP) (Rev. R)		2013. 5. 7
	EVM User's guide	LM2675 5.0EVAL 1A Step-Down High-Efficiency SIMPLE SWITCHER Eval Brd (Rev. C)		2013. 4. 24
	애플리케이션 노트	AN-2162 Simple Success With Conducted EMI From DC-DC Converters (Rev. C)		2013. 4. 24
	애플리케이션 노트	AN-1566 Techniques for Thermal Analysis of Switching Power Supply Designs (Rev. A)		2013. 4. 23
	애플리케이션 노트	AN-2155 Layout Tips for EMI Reduction in DC/ DC Converters (Rev. A)		2013. 4. 23
	애플리케이션 노트	AN-1229 SIMPLE SWITCHER PCB Layout Guidelines (Rev. C)		2013. 4. 23
	애플리케이션 노트	AN-1149 Layout Guidelines for Switching Power Supplies (Rev. C)		2013. 4. 23
	애플리케이션 노트	AN-1889 How to Measure the Loop Transfer Function of Power Supplies (Rev. A)		2013. 4. 23
	애플리케이션 노트	AN-1Positive-to-Negative Buck-Boost Converter Using LM267x SIMPLE SWITCHER (Rev. E)		2013. 4. 23
	애플리케이션 노트	AN-1197 Selecting Inductors for Buck Converters (Rev. B)		2013. 4. 23
	애플리케이션 노트	AN-1246 Stresses in Wide Input DC-DC Converters (Rev. C)		2013. 4. 23
	애플리케이션 노트	AN-1520 A Guide to Board Layout for Best Thermal Resistance for Exposed Packages (Rev. B)		2013. 4. 23
	애플리케이션 노트	Simple Techniques Minimize Cross-Coupling in Distributed Power Systems		2007. 3. 21
	애플리케이션 노트	Input and Output Capacitor Selection		2005. 9. 19
	추가 자료	SEM1600 Topic 4: Constructing Your Power Supply – Layout Considerations		2005. 7. 12
	애플리케이션 노트	AN-643 EMI/RFI Board Design (Rev. B)		2004. 5. 3

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평가 보드

LM2675-5.0EVAL — SIMPLE SWITCHER 전원 컨버터 고효율 1A 스텝다운 레귤레이터 평가 모듈

Amp Step-Down High-Efficency SIMPLE SWITCHER Evaluation Board.

The LM2675 SIMPLE SWITCHER step-down regulator provides all the active functions for a step-down regulator capable of driving a 1A load. Switching frequency is internally set to 260 kHz, allowing smaller-sized filter components than (...)

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