LM5034
- Two Independent PWM Current Mode Controllers
- Integrated High Voltage Startup Regulator
- Compound 2.5A Main Output Gate Drivers
- Single Resistor Oscillator Setting to 2 MHz
- Synchronizable Oscillator
- Active Clamp Gate Driver for P-Channel MOSFETs
- Adjustable Gate Drive Overlap Time
- Programmable Maximum Duty Cycle
- Maximum Duty Cycle Fold-Back at High Line Voltage
- Adjustable Timer for Hiccup Mode Current Limiting
- Integrated Slope Compensation
- Adjustable Line Under-Voltage Lockout
- Independently Adjustable Soft-Start (Each Regulator)
- Direct Interface with Opto-Coupler Transistor
- Thermal Shutdown
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The LM5034 dual current mode PWM controller contains all the features needed to control either two independent forward/active clamp dc/dc converters or a single high current converter comprised of two interleaved power stages. The two controller channels operate 180° out of phase thereby reducing input ripple current. The LM5034 includes a startup regulator that operates over a wide input range up to 100V and compound (bipolar + CMOS) gate drivers that provide a robust 2.5A peak sink current. The adjustable dead-time of the active clamp gate drivers and adjustable maximum PWM duty cycle reduce stress on the primary side MOSFET switches. Additional features include programmable line under-voltage lockout, cycle-by-cycle current limit, hiccup mode fault operation with adjustable restart delay, PWM slope compensation, soft-start, and a 2 MHz capable oscillator with synchronization capability.
기술 자료
| 상위 문서 | 유형 | 직함 | 형식 옵션 | 최신 영어 버전 다운로드 | 날짜 | |
|---|---|---|---|---|---|---|
| * | 데이터 시트 | LM5034 High Voltage Dual Interleaved Current Mode Controller with Active Clamp datasheet (Rev. A) | 2013. 3. 29 | |||
| 선택 가이드 | Power Management Guide 2018 (Rev. R) | 2018. 6. 25 | ||||
| 애플리케이션 노트 | Operation and Benefits of Active-Clamp Forward Power Converters | 2007. 3. 22 |
설계 및 개발
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LM5034EVAL — 능동 클램프를 지원하는 고전압 듀얼 인터리브 전류 모드 컨트롤러
능동 클램프를 지원하는 LM5034 고전압 듀얼 인터리브 전류 모드 컨트롤러
| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| TSSOP (PW) | 20 | Ultra Librarian |
주문 및 품질
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.