홈 전원 관리 AC/DC 및 DC/DC 컨버터(통합 FET)
홈
전원 관리
AC/DC 및 DC/DC 컨버터(통합 FET)

LM5008

활성

9.5~95V 넓은 입력 전압 범위, 350mA COT(Constant-On-Time) 비동기형 벅 레귤레이터

지금 주문
데이터 시트

이 제품의 최신 버전이 있습니다

open-in-new 대안 비교
다른 핀 출력을 지원하지만 비교 대상 장치와 동일한 기능
LM5163 활성 초저 IQ를 지원하는 100V 입력, 0.5A 동기 벅 DC/DC 컨버터 Synchronous rectification for smaller footprint and high efficiency and low IQ.

LM5008

활성
데이터 시트 지금 주문

제품 상세 정보

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 0.35 Vin (min) (V) 9.5 Vin (max) (V) 95 Switching frequency (min) (kHz) 50 Switching frequency (max) (kHz) 600 Features Enable, Over Current Protection Control mode Constant on-time (COT) Vout (min) (V) 2.5 Vout (max) (V) 75 Iq (typ) (µA) 485 Duty cycle (max) (%) 99
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 0.35 Vin (min) (V) 9.5 Vin (max) (V) 95 Switching frequency (min) (kHz) 50 Switching frequency (max) (kHz) 600 Features Enable, Over Current Protection Control mode Constant on-time (COT) Vout (min) (V) 2.5 Vout (max) (V) 75 Iq (typ) (µA) 485 Duty cycle (max) (%) 99
VSSOP (DGK) 8 14.7 mm² 3 x 4.9 WSON (NGU) 8 16 mm² 4 x 4
  • Operating Input Voltage Range: 6 V to 95 V
  • Integrated 100-V, N-Channel Buck Switch
  • Internal VCC Regulator
  • No Loop Compensation Required
  • Ultra-Fast Transient Response
  • On-Time Varies Inversely With Line Voltage
  • Operating Frequency Remains Constant With Varying Line Voltage and Load Current
  • Adjustable Output Voltage
  • Highly Efficient Operation
  • Precision Internal Reference
  • Low Bias Current
  • Intelligent Current Limit Protection
  • Thermal Shutdown
  • 8-Pin VSSOP and WSON Packages
  • Create a Custom Design Using the LM5008 With the WEBENCH® Power Designer
  • Operating Input Voltage Range: 6 V to 95 V
  • Integrated 100-V, N-Channel Buck Switch
  • Internal VCC Regulator
  • No Loop Compensation Required
  • Ultra-Fast Transient Response
  • On-Time Varies Inversely With Line Voltage
  • Operating Frequency Remains Constant With Varying Line Voltage and Load Current
  • Adjustable Output Voltage
  • Highly Efficient Operation
  • Precision Internal Reference
  • Low Bias Current
  • Intelligent Current Limit Protection
  • Thermal Shutdown
  • 8-Pin VSSOP and WSON Packages
  • Create a Custom Design Using the LM5008 With the WEBENCH® Power Designer

The LM5008 350-mA step-down switching converter features all of the functions needed to implement a low-cost and efficient buck regulator. This high-voltage converter has an integrated 100-V N-channel buck switch and operates over an input voltage range of 9 V to 95 V. The device is easy to implement and is provided in the 8-pin VSSOP and the thermally enhanced 8-pin WSON packages. The converter uses a hysteretic control scheme with a PWM on-time inversely proportional to VIN. This feature allows the operating frequency to remain relatively constant. The hysteretic control requires no loop compensation. An intelligent current limit is implemented with forced off-time, which is inversely proportional to VOUT. This scheme ensures short-circuit protection while providing minimum foldback. Other protection features include: thermal shutdown, VCC undervoltage lockout, gate drive undervoltage lockout, and maximum duty cycle limiter.

The LM5008 350-mA step-down switching converter features all of the functions needed to implement a low-cost and efficient buck regulator. This high-voltage converter has an integrated 100-V N-channel buck switch and operates over an input voltage range of 9 V to 95 V. The device is easy to implement and is provided in the 8-pin VSSOP and the thermally enhanced 8-pin WSON packages. The converter uses a hysteretic control scheme with a PWM on-time inversely proportional to VIN. This feature allows the operating frequency to remain relatively constant. The hysteretic control requires no loop compensation. An intelligent current limit is implemented with forced off-time, which is inversely proportional to VOUT. This scheme ensures short-circuit protection while providing minimum foldback. Other protection features include: thermal shutdown, VCC undervoltage lockout, gate drive undervoltage lockout, and maximum duty cycle limiter.
filter 기타 AC/DC 및 DC/DC 컨버터(통합 FET) 찾기
다운로드 스크립트와 함께 비디오 보기 동영상

기술 자료

star =TI에서 선정한 이 제품의 인기 문서
검색된 결과가 없습니다. 검색어를 지우고 다시 시도하십시오.
9개 모두 보기
유형 직함 날짜
* Data sheet LM5008 95-V, 350-mA, Constant On-Time DC/DC Buck Switching Regulator datasheet (Rev. I) PDF | HTML 2018/10/11
Application note Stability Analysis and Design of COT Type-3 Ripple Circuit 2019/03/20
Selection guide Power Management Guide 2018 (Rev. R) 2018/06/25
White paper Wide VIN power management ICs simplify white paper (Rev. A) 2013/09/19
EVM User's guide AN-1330 LM5008 Evaluation Board (Rev. B) 2013/04/30
EVM User's guide AN-1925 LM5008A Evaluation Board (Rev. C) 2013/04/30
Application note Analysis & Design of Hysteretic Constant Freq Buck Regr Using the LM5007 (Rev. B) 2013/04/30
Application note Boot Capacitor Regulation in LM25007 Constant-On-Time (COT) Converter (Rev. A) 2013/04/23
Application note Controlling Output Ripple & Achiev ESR Indep Constant On-Time Reg Designs (Rev. A) 2013/04/23

설계 및 개발

추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.

평가 보드

LM5008EVAL — 100V 넓은 Vin 스텝다운 스위칭 레귤레이터 평가 모듈

LM5008 High Voltage (100V) Step Down Switching Regulator

사용 설명서: PDF
TI.com에서 구매 불가
시뮬레이션 모델

LM5008 PSpice Transient Model

SNVM389.ZIP (181 KB) - PSpice Model
다운로드
시뮬레이션 모델

LM5008 TINA-TI Reference Design

SNVM529.TSC (584 KB) - TINA-TI Reference Design
다운로드
시뮬레이션 모델

LM5008 TINA-TI Transient Reference Design

SNVM528.TSC (583 KB) - TINA-TI Reference Design
다운로드
시뮬레이션 모델

LM5008 TINA-TI Transient Spice Model

SNVM527.ZIP (12 KB) - TINA-TI Spice Model
다운로드
시뮬레이션 모델

LM5008 Unencrypted PSpice Transient Model

SNVM953.ZIP (2 KB) - PSpice Model
다운로드
계산 툴

LM5008QUICK-CALC — LM5008 빠른 시작 계산기

다운로드
패키지 핀 CAD 기호, 풋프린트 및 3D 모델
VSSOP (DGK) 8 Ultra Librarian
WSON (NGU) 8 Ultra Librarian
TI의 평가 항목에 대한 표준 약관이 적용됩니다.

주문 및 품질

포함된 정보:
  • RoHS
  • REACH
  • 디바이스 마킹
  • 납 마감/볼 재질
  • MSL 등급/피크 리플로우
  • MTBF/FIT 예측
  • 물질 성분
  • 인증 요약
  • 지속적인 신뢰성 모니터링
포함된 정보:
  • 팹 위치
  • 조립 위치

지원 및 교육

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포럼 주제 모두 보기(영문)

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