UC1842A
- Optimized for Off-Line and DC-DC Converters
- Low Start-Up Current (< 0.5mA)
- 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 500kHz 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 0.5mA, oscillator discharge is trimmed to 8.3mA, and during UVLO, the output stage can sink at least 10mA at less than 1.2V for VCC over 5V.
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. H) | PDF | HTML | 2024/10/11 |
| * | 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