LM5015
- Dual Integrated 75V N-Channel MOSFETs
- Ultra-Wide Input Voltage Range: 4.25V to 75V
- Integrated High Voltage Bias Regulator
- Adjustable Output Voltage
- 1.5% Feedback Reference Accuracy
- Current Mode Control with Selectable Compensation
- Wide Bandwidth Error Amplifier
- Integrated Current Sensing and Limiting
- 50% Maximum Duty Cycle Limit
- Single Resistor Oscillator Programming
- Oscillator Synchronization Capability
- Programmable Soft-Start
- Enable / Under-Voltage Lockout (UVLO) Pin
- Thermal Shutdown
Package
- HTSSOP-14EP (Exposed Pad)
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The LM5015 high voltage switch mode regulator features all the functions necessary to implement efficient high voltage Two-Switch Forward and Two-Switch Flyback regulators, using a minimum of external components. This easy to use regulator integrates high side and low side 75 Volt N-Channel MOSFETs with a minimum 1 Amp peak current limit. The voltage across the MOSFETs employed in the two-switch topology is clamped to the input voltage, allowing the input voltage range to approach the rating of the MOSFETs. The regulator control method is based on current mode control providing inherent ease of loop compensation and line feed-forward for superior rejection of input transients.
The operating frequency is set with a single resistor and is programmable up to 750 kHz. The oscillator can also be synchronized to an external clock. Additional protection features include cycle-by-cycle current limiting, thermal shutdown, under-voltage lockout and remote shutdown capability. The device is available in the HTSSOP-14EP package featuring an exposed die attach pad to enhance thermal dissipation.
기술 자료
| 상위 문서 | 유형 | 직함 | 형식 옵션 | 최신 영어 버전 다운로드 | 날짜 |
|---|---|---|---|---|---|
| * | 데이터 시트 | LM5015 High Voltage Monolithic Two-Switch Forward DC-DC Regulator datasheet (Rev. C) | 2013. 3. 29 | ||
| 선택 가이드 | Power Management Guide 2018 (Rev. R) | 2018. 6. 25 | |||
| 애플리케이션 노트 | Improving the Performance of Traditional Flyback-Topology With Two-Switch –Appro | 2014. 7. 22 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
LM5015ISOEVAL — 고전압 모놀리식 2스위치 순방향 절연 DC-DC 컨버터 평가 보드
LM5015NISOEVAL — 고전압 모놀리식 2스위치 순방향 DC-DC 컨버터 평가 보드
The LM5015 Non-Isolated DC-DC Regulator evaluation board provides a low cost and fully functional DC-DC regulator without employing any discrete power MOSFET. The evaluation board can be configured as either a Non-Isolated Two-Switch Forward DC-DC Regulator, or a Two-Switch Flyback DC-DC Regulator. (...)
FLYBUCK-FLYBACK-DESIGN-CALC — Flybuck / Flyback Calculator
이 툴은 전원 공급 장치 엔지니어가 사양에 따라 올바른 절연 DC-DC 토폴로지를 선택하는 데 도움이 됩니다. 선택한 토폴로지에 따라 계산기는 설계에 적합한 IC도 추천합니다.
LM5015ISOLATED-CALC — LM5015 절연 빠른 시작 설계 스프레드시트
LM5015NON-ISOLATED-CALC — LM5015 비절연 빠른 시작 설계 스프레드시트
| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| HTSSOP (PWP) | 14 | Ultra Librarian |
주문 및 품질
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.