LM3404HV
- Integrated 1-A MOSFET
- VIN Range 6 V to 42 V (LM3404)
- VIN Range 6 V to 75 V (LM3404HV)
- 1.2-A Output Current Overtemperature
- Cycle-by-Cycle Current Limit
- No Control Loop Compensation Required
- Separate PWM Dimming and Low Power
Shutdown - Supports All-Ceramic Output Capacitors and
Capacitor-lessOutputs - Thermal Shutdown Protection
- SOIC-8 Package, SO PowerPAD™-8 Package
The LM3404 and LM3404HV devices are monolithic switching regulators designed to deliver constant currents to high power LEDs. Ideal for automotive, industrial, and general lighting applications, these devices contain a high-side N-channel MOSFET switch with a current limit of 1.5-A (typical) for step-down (Buck) regulators. Hysteretic controlled on-time and an external resistor allow the converter output voltage to adjust as needed to deliver a constant current to series and series-parallel connected LED arrays of varying number and type. Some features are: LED dimming using pulse width modulation (PWM), broken or open LED protection, low-power shutdown, and thermal shutdown.
기술 자료
| 상위 문서 | 유형 | 직함 | 형식 옵션 | 최신 영어 버전 다운로드 | 날짜 |
|---|---|---|---|---|---|
| * | 데이터 시트 | LM3404xx 1-A Constant Current Buck Regulator for Driving High Power LEDs datasheet (Rev. G) | PDF | HTML | 2015. 9. 29 | |
| 백서 | Common LED Functions and LED Driver Design Considerations | 2020. 9. 21 | |||
| 애플리케이션 노트 | AN-1656 Design Challenges of Switching LED Drivers (Rev. A) | 2013. 5. 3 | |||
| 애플리케이션 노트 | AN-1982 Small, Wide Input Voltage Range LM2842 Keeps LEDs Cool (Rev. A) | 2013. 4. 23 | |||
| 사용 설명서 | LM3404 Driving a Seoul Semi Zpower P4 1A LED User Guide | 2012. 1. 27 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
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| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| HSOIC (DDA) | 8 | Ultra Librarian |
| SOIC (D) | 8 | Ultra Librarian |
주문 및 품질
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.