전원 관리 AC/DC 및 DC/DC 컨버터(통합 FET)

LM25005

활성

7~42V 넓은 입력 전압 범위, 2.5A 전류 모드 비동기형 벅 레귤레이터

제품 상세 정보

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 2.5 Vin (min) (V) 7 Vin (max) (V) 42 Switching frequency (min) (kHz) 50 Switching frequency (max) (kHz) 500 Features Enable, Frequency synchronization, Over Current Protection Control mode current mode Vout (min) (V) 1.23 Vout (max) (V) 37 Iq (typ) (µA) 3000 Duty cycle (max) (%) 98
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 2.5 Vin (min) (V) 7 Vin (max) (V) 42 Switching frequency (min) (kHz) 50 Switching frequency (max) (kHz) 500 Features Enable, Frequency synchronization, Over Current Protection Control mode current mode Vout (min) (V) 1.23 Vout (max) (V) 37 Iq (typ) (µA) 3000 Duty cycle (max) (%) 98
HTSSOP (PWP) 20 41.6 mm² 6.5 x 6.4
  • Integrated 42V, 160mΩ N-Channel MOSFET
  • Ultra-Wide Input Voltage Range from 7V to 42V
  • Internal Bias Regulator
  • Adjustable Output Voltage from 1.225V
  • 1.5% Feedback Reference Accuracy
  • Current Mode Control with Emulated Inductor Current Ramp
  • Single Resistor Oscillator Frequency Setting
  • Oscillator Synchronization Input
  • Programmable Soft-Start
  • Shutdown / Standby Input
  • Wide Bandwidth Error Amplifier
  • Thermal Shutdown

All trademarks are the property of their respective owners.

  • Integrated 42V, 160mΩ N-Channel MOSFET
  • Ultra-Wide Input Voltage Range from 7V to 42V
  • Internal Bias Regulator
  • Adjustable Output Voltage from 1.225V
  • 1.5% Feedback Reference Accuracy
  • Current Mode Control with Emulated Inductor Current Ramp
  • Single Resistor Oscillator Frequency Setting
  • Oscillator Synchronization Input
  • Programmable Soft-Start
  • Shutdown / Standby Input
  • Wide Bandwidth Error Amplifier
  • Thermal Shutdown

All trademarks are the property of their respective owners.

The LM25005 switching regulator features all of the functions necessary to implement an efficient, high voltage buck regulator using a minimum of external components. This easy to use regulator includes a 42V, 160mΩ, N-channel MOSFET, with an output current capability of 2.5 Amps. The regulator control method is based upon current mode control utilizing an emulated current ramp. Current mode control provides inherent line voltage feed-forward, cycle-by-cycle current limiting and ease of loop compensation. The use of an emulated control ramp reduces noise sensitivity of the pulse-width modulation circuit, allowing reliable control of very small duty cycles necessary in high input voltage applications. The operating frequency is programmable from 50kHz to 500kHz. An oscillator synchronization pin allows multiple LM25005 regulators to self-synchronize or to be synchronized to an external clock. Additional protection features include: current limit, thermal shutdown and remote shutdown capability. The device is available in a power enhanced HTSSOP package featuring an exposed die attach pad to aid thermal dissipation.

The LM25005 switching regulator features all of the functions necessary to implement an efficient, high voltage buck regulator using a minimum of external components. This easy to use regulator includes a 42V, 160mΩ, N-channel MOSFET, with an output current capability of 2.5 Amps. The regulator control method is based upon current mode control utilizing an emulated current ramp. Current mode control provides inherent line voltage feed-forward, cycle-by-cycle current limiting and ease of loop compensation. The use of an emulated control ramp reduces noise sensitivity of the pulse-width modulation circuit, allowing reliable control of very small duty cycles necessary in high input voltage applications. The operating frequency is programmable from 50kHz to 500kHz. An oscillator synchronization pin allows multiple LM25005 regulators to self-synchronize or to be synchronized to an external clock. Additional protection features include: current limit, thermal shutdown and remote shutdown capability. The device is available in a power enhanced HTSSOP package featuring an exposed die attach pad to aid thermal dissipation.

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기술 자료

star =TI에서 선정한 이 제품의 인기 문서
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5개 모두 보기
유형 직함 날짜
* Data sheet LM25005 42V, 2.5A Step-Down Switching Regulator datasheet (Rev. C) 2013/03/20
White paper Overcoming Challenges in Designing Step-Dwn Reg Apps w/40V Input Voltage (Rev. A) 2018/07/03
Selection guide Power Management Guide 2018 (Rev. R) 2018/06/25
White paper Buck regulator topologies for wide input/output voltage differentials (Rev. A) 2016/09/15
EVM User's guide AN-1749 LM25005 Evaluation Board (Rev. A) 2013/04/24

설계 및 개발

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시뮬레이션 모델

LM5005 PSpice Transient Model

SNVMAB6.ZIP (256 KB) - PSpice Model
시뮬레이션 모델

LM5005 Unencrypted PSpice Transient Model

SNVMAL0.ZIP (4 KB) - PSpice Model
패키지 CAD 기호, 풋프린트 및 3D 모델
HTSSOP (PWP) 20 Ultra Librarian

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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