홈 전원 관리 DC/DC 전력 모듈 벅 모듈(통합 인덕터)
홈
전원 관리
DC/DC 전력 모듈
벅 모듈(통합 인덕터)

LMZ22003

활성

3A SIMPLE SWITCHER® 전원 모듈(20V 최대 입력 전압)

지금 주문
데이터 시트

LMZ22003

활성
데이터 시트 지금 주문

제품 상세 정보

Rating Catalog Operating temperature range (°C) -40 to 85 Topology Buck, Synchronous Buck Type Module Iout (max) (A) 3 Vin (min) (V) 6 Vin (max) (V) 20 Vout (min) (V) 0.8 Vout (max) (V) 6 Switching frequency (min) (kHz) 650 Switching frequency (max) (kHz) 950 Features Adjustable current limit, Enable, Frequency synchronization, Light Load Efficiency, Overcurrent protection, Power good, Tracking Control mode current mode Duty cycle (max) (%) 83
Rating Catalog Operating temperature range (°C) -40 to 85 Topology Buck, Synchronous Buck Type Module Iout (max) (A) 3 Vin (min) (V) 6 Vin (max) (V) 20 Vout (min) (V) 0.8 Vout (max) (V) 6 Switching frequency (min) (kHz) 650 Switching frequency (max) (kHz) 950 Features Adjustable current limit, Enable, Frequency synchronization, Light Load Efficiency, Overcurrent protection, Power good, Tracking Control mode current mode Duty cycle (max) (%) 83
TO-PMOD (NDW) 7 139.9032 mm² 10.16 x 13.77
  • Integrated Shielded Inductor
  • Simple PCB Layout
  • Frequency Synchronization Input (650 kHz to 950
    kHz)
  • Flexible Start-up Sequencing Using External Soft-
    Start, Tracking and Precision Enable
  • Protection Against Inrush Currents and Faults
    such as Input UVLO and Output Short Circuit
  • Junction Temperature Range –40°C to 125°C
  • Single Exposed Pad and Standard Pinout for
    Easy Mounting and Manufacturing
  • Fast Transient Response for Powering FPGAs
    and ASICs
  • Fully Enabled for WEBENCH® Power Designer
  • Pin Compatible With
    LMZ23605/LMZ23603/LMZ22005
  • Electrical Specifications
    • 18-W Maximum Total Output Power
    • Up to 3-A Output Current
    • Input Voltage Range 6 V to 20 V
    • Output Voltage Range 0.8 V to 6 V
    • Efficiency up to 92%
  • Performance Benefits
    • High Efficiency Reduces System Heat
      Generation
    • Tested To EN55022 Class B(1)
    • Low Component Count, Only 5 External
      Components
    • Low Output Voltage Ripple
    • Uses PCB as Heat Sink, No Airflow Required
  • Integrated Shielded Inductor
  • Simple PCB Layout
  • Frequency Synchronization Input (650 kHz to 950
    kHz)
  • Flexible Start-up Sequencing Using External Soft-
    Start, Tracking and Precision Enable
  • Protection Against Inrush Currents and Faults
    such as Input UVLO and Output Short Circuit
  • Junction Temperature Range –40°C to 125°C
  • Single Exposed Pad and Standard Pinout for
    Easy Mounting and Manufacturing
  • Fast Transient Response for Powering FPGAs
    and ASICs
  • Fully Enabled for WEBENCH® Power Designer
  • Pin Compatible With
    LMZ23605/LMZ23603/LMZ22005
  • Electrical Specifications
    • 18-W Maximum Total Output Power
    • Up to 3-A Output Current
    • Input Voltage Range 6 V to 20 V
    • Output Voltage Range 0.8 V to 6 V
    • Efficiency up to 92%
  • Performance Benefits
    • High Efficiency Reduces System Heat
      Generation
    • Tested To EN55022 Class B(1)
    • Low Component Count, Only 5 External
      Components
    • Low Output Voltage Ripple
    • Uses PCB as Heat Sink, No Airflow Required

The LMZ22003 SIMPLE SWITCHER power module is an easy-to-use step-down DC-DC solution capable of driving up to 3-A load. The LMZ22003 is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ22003 can accept an input voltage rail between 6 V and 20 V and can deliver an adjustable and highly accurate output voltage as low as 0.8 V. The LMZ22003 only requires two external resistors and three external capacitors to complete the power solution. The LMZ22003 is a reliable and robust design with the following protection features: thermal shutdown, programmable input undervoltage lockout, output overvoltage protection, short circuit protection, output current limit, and this device allows start-up into a prebiased output. The sync input allows synchronization over the 650- to 950-kHz switching frequency range.

The LMZ22003 SIMPLE SWITCHER power module is an easy-to-use step-down DC-DC solution capable of driving up to 3-A load. The LMZ22003 is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ22003 can accept an input voltage rail between 6 V and 20 V and can deliver an adjustable and highly accurate output voltage as low as 0.8 V. The LMZ22003 only requires two external resistors and three external capacitors to complete the power solution. The LMZ22003 is a reliable and robust design with the following protection features: thermal shutdown, programmable input undervoltage lockout, output overvoltage protection, short circuit protection, output current limit, and this device allows start-up into a prebiased output. The sync input allows synchronization over the 650- to 950-kHz switching frequency range.
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기술 자료

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12개 모두 보기
유형 직함 날짜
* Data sheet LMZ22003 3-A SIMPLE SWITCHER® Power Module With 20-V Maximum Input Voltage datasheet (Rev. I) PDF | HTML 2015/07/31
Selection guide Power Management Guide 2018 (Rev. R) 2018/06/25
Application note Design Summary LMZ1xxx and LMZ2xxx Power Module Family (Rev. B) 2016/01/20
Application note AN-2027 Inverting Application for the LMZ14203 SIMPLE SWITCHER Power Module (Rev. A) 2013/05/06
User guide AN-2085 LMZ23605/03, LMZ22005/03 Evaluation Board (Rev. B) 2013/04/24
User guide AN-2125 LMZ23605/03, LMZ22005/03 Demonstration Board (Rev. B) 2013/04/24
Application note AN-1889 How to Measure the Loop Transfer Function of Power Supplies (Rev. A) 2013/04/23
Application note AN-2026 Effect of PCB Design on Thermal Performance of SIMPLE SWITCHER Modules (Rev. A) 2013/04/23
Application note AN-2052 Texas Instruments SIMPLE SWITCHER Power Modules and EMI (Rev. C) 2013/04/23
Application note AN-2078 PCB Layout for Texas Instruments SIMPLE SWITCHER Power Modules (Rev. A) 2013/04/23
Application note Understanding and Applying Current-Mode Control Theory 2007/08/19
More literature SEM1600 Topic 4: Constructing Your Power Supply – Layout Considerations 2005/07/12

설계 및 개발

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

평가 보드

LMZ22003EVAL — 20V 최대 입력 전압을 지원하는 3A SIMPLE SWITCHER® 전원 모듈 평가 보드

The LMZ23605/03, LMZ22005/03 evaluation boards are designed to be an easy-to-use platform to evaluate the full capabilities of this family of SIMPLE SWITCHER® power modules. The PCB construction has excellent thermal performance and includes extra locations for optional components that may not be (...)

사용 설명서: PDF
TI.com에서 구매 불가
시뮬레이션 모델

LMZ22003 PSpice Average Model

SNVM286.ZIP (50 KB) - PSpice Model
다운로드
시뮬레이션 모델

LMZ22003 PSpice Transient Model

SNVM285.ZIP (165 KB) - PSpice Model
다운로드
시뮬레이션 모델

LMZ22003 Unencrypted PSpice Average Model

SNVM775.ZIP (1 KB) - PSpice Model
다운로드
시뮬레이션 모델

LMZ22003 Unencrypted PSpice Transient Model

SNVM776.ZIP (2 KB) - PSpice Model
다운로드
패키지 핀 CAD 기호, 풋프린트 및 3D 모델
TO-PMOD (NDW) 7 Ultra Librarian
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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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