홈 전원 관리 AC/DC & DC/DC converters (integrated FET)
홈
전원 관리
AC/DC & DC/DC converters (integrated FET)
신규

LM63460-Q1

활성

향상된 QFN 패키지의 차량용 3V~36V, 6A 저 EMI 동기 스텝다운 컨버터

지금 주문
데이터시트

LM63460-Q1

활성
데이터시트 지금 주문

제품 상세 정보

Iout (max) (A) 6 Vin (min) (V) 3 Vin (max) (V) 36 Topology Buck Type Converter Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2200 Features Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Soft Start Fixed, Spread Spectrum, Synchronous Rectification, Wettable flanks package Control mode current mode Vout (min) (V) 1 Vout (max) (V) 34.2 Rating Automotive Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.000007
Iout (max) (A) 6 Vin (min) (V) 3 Vin (max) (V) 36 Topology Buck Type Converter Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2200 Features Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Soft Start Fixed, Spread Spectrum, Synchronous Rectification, Wettable flanks package Control mode current mode Vout (min) (V) 1 Vout (max) (V) 34.2 Rating Automotive Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.000007
VQFN-FCRLF (RYF) 22 14 mm² 4 x 3.5
  • AEC-Q100 qualified for automotive applications
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature
  • Functional Safety-Capable
  • Versatile synchronous buck DC/DC converter
    • Wide input voltage range of 3 V to 36 V with tolerance for load-dump transients up to 42 V
    • 1% accurate adjustable output voltage from 1 V to 95% V IN
    • 150°C maximum junction temperature
    • Frequency adjustable from 200 kHz to 2.2 MHz using the RT pin or a SYNC signal
  • Improved reliability with optimized pinout design and clearance for short-circuit-to-adjacent-pin test
  • Optimized for low EMI requirements
    • Enhanced HotRod™ QFN package with dual input paths reduces switch-node ringing
    • Spread spectrum frequency modulation
    • Selectable FPWM or PFM mode at light loads
  • High efficiency across the full load range
    • 92.5% at 13.5 V IN, 5 V OUT, 6 A, 2.1 MHz
    • No-load input current: 7-µA typical at 3.3 V OUT
    • Shutdown quiescent current: 0.6-µA typical
    • 0.6-V typical dropout at 6-A load
    • External bias option for improved efficiency
  • Create a custom regulator design using the LM63460-Q1 with WEBENCH Power Designer
  • AEC-Q100 qualified for automotive applications
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature
  • Functional Safety-Capable
  • Versatile synchronous buck DC/DC converter
    • Wide input voltage range of 3 V to 36 V with tolerance for load-dump transients up to 42 V
    • 1% accurate adjustable output voltage from 1 V to 95% V IN
    • 150°C maximum junction temperature
    • Frequency adjustable from 200 kHz to 2.2 MHz using the RT pin or a SYNC signal
  • Improved reliability with optimized pinout design and clearance for short-circuit-to-adjacent-pin test
  • Optimized for low EMI requirements
    • Enhanced HotRod™ QFN package with dual input paths reduces switch-node ringing
    • Spread spectrum frequency modulation
    • Selectable FPWM or PFM mode at light loads
  • High efficiency across the full load range
    • 92.5% at 13.5 V IN, 5 V OUT, 6 A, 2.1 MHz
    • No-load input current: 7-µA typical at 3.3 V OUT
    • Shutdown quiescent current: 0.6-µA typical
    • 0.6-V typical dropout at 6-A load
    • External bias option for improved efficiency
  • Create a custom regulator design using the LM63460-Q1 with WEBENCH Power Designer

The LM63460-Q1 derives from a family of automotive synchronous buck DC/DC converters with excellent efficiency and ultra-low I Q. With integrated high-side and low-side MOSFETs, up to 6 A of output current is delivered over a wide input voltage range from 3 V to 36 V, with support for load-dump transients up to 42 V. The converter implements soft recovery from dropout to eliminate overshoot on the output.

The LM63460-Q1 incorporates numerous features for excellent EMI performance, including spread-spectrum frequency modulation, a low-EMI Enhanced HotRod QFN package that mitigates switch-node ringing, and a symmetrical pinout for ideal input capacitor placement. The switching frequency can be set between 200 kHz and 2.2 MHz to avoid sensitive frequency bands, while optimizing efficiency or design size based on the application requirements.

PFM mode enables frequency foldback during light-load operation, allowing an unloaded current consumption of only 7 µA (typical) and high light-load efficiency. A seamless transition between PWM and PFM modes, along with low MOSFET on-resistances and an external bias input, provides exceptional efficiency and thermal performance across the entire load range. The package has several NC pins between critical power pins, which improve the Failure Modes and Effects Analysis (FMEA) result.

The LM63460-Q1 derives from a family of automotive synchronous buck DC/DC converters with excellent efficiency and ultra-low I Q. With integrated high-side and low-side MOSFETs, up to 6 A of output current is delivered over a wide input voltage range from 3 V to 36 V, with support for load-dump transients up to 42 V. The converter implements soft recovery from dropout to eliminate overshoot on the output.

The LM63460-Q1 incorporates numerous features for excellent EMI performance, including spread-spectrum frequency modulation, a low-EMI Enhanced HotRod QFN package that mitigates switch-node ringing, and a symmetrical pinout for ideal input capacitor placement. The switching frequency can be set between 200 kHz and 2.2 MHz to avoid sensitive frequency bands, while optimizing efficiency or design size based on the application requirements.

PFM mode enables frequency foldback during light-load operation, allowing an unloaded current consumption of only 7 µA (typical) and high light-load efficiency. A seamless transition between PWM and PFM modes, along with low MOSFET on-resistances and an external bias input, provides exceptional efficiency and thermal performance across the entire load range. The package has several NC pins between critical power pins, which improve the Failure Modes and Effects Analysis (FMEA) result.
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기술 문서

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모두 보기4
유형 직함 날짜
* Data sheet LM63460-Q13-V to 36-V, 6-AAutomotiveSynchronous Buck DC/DC ConverterWith Adjustable Switching Frequency,Optimized for Reliability and Low EMI datasheet (Rev. B) PDF | HTML 2023/10/02
User guide LM63460-Q1 and LM64460-Q1 EVM User's Guide PDF | HTML 2021/12/16
Certificate LM63460EVM-2MHZ EU RoHS Declaration of Conformity (DoC) 2021/12/09
Functional safety information LM63460-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 2021/09/27

설계 및 개발

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

평가 보드

LM63460EVM — LM63460-Q1 평가 모듈 오토모티브 5.5V~36V, 6A 저 EMI 동기 스텝다운 컨버터

LM63460EVM-2MHZ 고밀도 평가 모듈(EVM)은 LM63460-Q1 고성능 차량용 동기 벅 DC/DC 컨버터의 성능을 보여주도록 설계되었습니다. EVM은 5.5V~36V의 넓은 입력 전압 범위에서 작동하여 1% 이상의 설정값 정확도와 최대 6A 출력 전류를 가진 고정 5V 출력을 제공합니다. 고장 상태 시 레귤레이터를 보호하기 위한 여러 기능에는 저전압 잠금(UVLO), 내부 소프트 시작, 히컵 모드 과전류 보호(OCP), 오픈 드레인 PGOOD 표시기 및 열 셧다운 등이 있습니다. LM63460-Q1은 기본적으로 확산 (...)

사용 설명서: PDF | HTML
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계산 툴

LM63460-LM64460DESIGN-CALC — LM63460-Q1 및 LM64460-Q1 빠른 시작 설계 툴

LM63460-Q1 및 LM64460-Q1 컨버터 빠른 시작 설계 툴을 시작합니다. 이 독립형 툴은 이 동기식 벅 전원 컨버터 제품군에 기반한 DC/DC 벅 레귤레이터 설계를 통해 전원 공급 장치 엔지니어를 용이하게 하고 지원합니다. 따라서 사용자는 애플리케이션 요구 사항을 충족하기 위해 최적화된 설계에 신속하게 도착할 수 있습니다.
옵션 보기
계산 툴

SNVR518 — LM63460-Q1 and LM64460-Q1 DC/DC Converter Quickstart Design Tool

Welcome to LM63460-Q1 and LM64460-Q1 converter quickstart design tool. This standalone tool facilitates and assists the power supply engineer with the design of a DC/DC buck regulator based on this family of synchronous buck power converters. As such, the user can expeditiously arrive at an (...)

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지원되는 제품 및 하드웨어

제품
AC/DC & DC/DC converters (integrated FET)
LM63460-Q1 — 향상된 QFN 패키지의 차량용 3V~36V, 6A 저 EMI 동기 스텝다운 컨버터 LM64460-Q1 — 차량용 3V~36V, 6A 저 EMI 동기 스텝다운 컨버터
하드웨어 개발
평가 보드
LM63460EVM — LM63460-Q1 평가 모듈 오토모티브 5.5V~36V, 6A 저 EMI 동기 스텝다운 컨버터
다운로드
PCB 레이아웃

LM63460-Q1, LM64460-Q1 EVM PCB Layout Files

SNVR515.ZIP (5089 KB)
다운로드
패키지 핀 다운로드
VQFN-FCRLF (RYF) 22 옵션 보기
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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

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