UC1842A
- Optimized for Off-Line and DC-DC Converters
- Low Start-Up Current (< 0.5 mA)
- Trimmed Oscillator Discharge Current
- Automatic Feedforward Compensation
- Pulse-by-Pulse Current Limiting
- Enhanced Load Response Characteristics
- Undervoltage Lockout With Hysteresis
- Double Pulse Suppression
- High-Current Totem Pole Output
- Internally-Trimmed Bandgap Reference
- Up to 500-kHz Operation
- Create a Custom Design Using the UCx84xA With the WEBENCH Power Designer
The UCx84xA family of control devices is a pin-for-pin compatible improved version of the UCx84x family. Providing the necessary features to control current-mode or switched-mode power supplies, this family of devices has many improved features: startup current is less than 0.5 mA, oscillator discharge is trimmed to 8.3 mA, and during UVLO, the output stage can sink at least 10 mA at less than 1.2 V for VCC over 5 V.
관심 가지실만한 유사 제품
비교 대상 장치와 동일한 기능을 지원하는 핀 대 핀
기술 자료
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9개 모두 보기 유형 | 직함 | 날짜 | ||
---|---|---|---|---|
* | Data sheet | UCx84xA Current-Mode PWM Controller datasheet (Rev. G) | PDF | HTML | 2022/07/12 |
* | SMD | UC1842A SMD 5962-86704 | 2016/06/21 | |
Application note | DN-26 UC3842A Low-Cost Start-up and Fault Protection Circuit | 1999/09/05 | ||
Application note | DN-27 UC1842/UC1842A Family - Summary of Functional Differences | 1999/09/05 | ||
Application note | DN-29 UC3842A Family - Frequency Foldback Technique Provides Protection | 1999/09/05 | ||
Application note | DN-30 Programmable Electronic Circuit Breaker | 1999/09/05 | ||
Application note | DN-40 The Effects of Oscillator Discharge Current Variations on Maximum Duty | 1999/09/05 | ||
Application note | DN-42A Design Considerations for Transitioning from UC3842 to the New UCC3802 | 1999/09/05 | ||
Application note | DN-62 Switching Power Supply Topology Voltage Mode vs. Current Mode | 1999/09/05 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
---|---|---|
CDIP (JG) | 8 | Ultra Librarian |
LCCC (FK) | 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