홈 전원 관리 AC/DC 및 DC/DC 컨트롤러(외장 FET)
홈
전원 관리
AC/DC 및 DC/DC 컨트롤러(외장 FET)

UCC3813-1

활성

9.4V/7.4V UVLO 및 50% 듀티 사이클, 0C~70C를 지원하는 경제적인 저전력 BiCMOS 1MHz 전류 모드 PWM

지금 주문
데이터 시트

UCC3813-1

활성
데이터 시트 지금 주문

제품 상세 정보

Vin (max) (V) 11 Operating temperature range (°C) 0 to 70 Control mode Current Topology Boost, Flyback Rating Catalog Features Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Fixed frequency, Leading edge blanking, Multi-topology, Soft start Duty cycle (max) (%) 50
Vin (max) (V) 11 Operating temperature range (°C) 0 to 70 Control mode Current Topology Boost, Flyback Rating Catalog Features Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Fixed frequency, Leading edge blanking, Multi-topology, Soft start Duty cycle (max) (%) 50
SOIC (D) 8 29.4 mm² 4.9 x 6 TSSOP (PW) 8 19.2 mm² 3 x 6.4
  • 100-µA typical starting supply current
  • 500-µA typical operating supply current
  • Operation to 1 MHz
  • Internal soft start
  • Internal fault soft start
  • Internal leading-edge blanking of the current-sense signal
  • 1-A totem-pole output
  • 70-ns typical response from current-sense to gate-drive output
  • 1.5% Tolerance Voltage Reference
  • Same Pinout as the UCC3802 device, UC3842 device, and UC3842A device families
  • 100-µA typical starting supply current
  • 500-µA typical operating supply current
  • Operation to 1 MHz
  • Internal soft start
  • Internal fault soft start
  • Internal leading-edge blanking of the current-sense signal
  • 1-A totem-pole output
  • 70-ns typical response from current-sense to gate-drive output
  • 1.5% Tolerance Voltage Reference
  • Same Pinout as the UCC3802 device, UC3842 device, and UC3842A device families

The UCC3813-x device family of high-speed, low-power integrated circuits contains all of the control and drive components required for off-line and DC-to-DC fixed-frequency current-mode switching power supplies with minimal parts count.

These devices have the same pin configuration as the UC384x device family, and also offer the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input.

The UCC3813-x device family offers a variety of package options, temperature-range options, choice of maximum duty cycle, and choice of critical voltage levels. Devices with lower reference voltage such as the UCC3813-3 and UCC3813-5 fit best into battery operated systems, while the higher reference and the higher UVLO hysteresis of the UCC3813-2 device and UCC3813-4 device make these ideal choices for use in off-line power supplies.

The UCC2813-x device series is specified for operation from –40°C to 85°C and the UCC3813-x device series is specified for operation from 0°C to 70°C.

The UCC3813-x device family of high-speed, low-power integrated circuits contains all of the control and drive components required for off-line and DC-to-DC fixed-frequency current-mode switching power supplies with minimal parts count.

These devices have the same pin configuration as the UC384x device family, and also offer the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input.

The UCC3813-x device family offers a variety of package options, temperature-range options, choice of maximum duty cycle, and choice of critical voltage levels. Devices with lower reference voltage such as the UCC3813-3 and UCC3813-5 fit best into battery operated systems, while the higher reference and the higher UVLO hysteresis of the UCC3813-2 device and UCC3813-4 device make these ideal choices for use in off-line power supplies.

The UCC2813-x device series is specified for operation from –40°C to 85°C and the UCC3813-x device series is specified for operation from 0°C to 70°C.
filter 기타 AC/DC 및 DC/DC 컨트롤러(외장 FET) 찾기
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기술 자료

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11개 모두 보기
유형 직함 날짜
* Data sheet UCCx813-x Low-Power Economy BiCMOS Current-Mode PWM datasheet (Rev. F) PDF | HTML 2020/05/12
Application note Conditioning a Switch-mode Power Supply Current Signal Using TI Op Amps (Rev. A) PDF | HTML 2021/06/11
Application note Understanding Inverting Buck-Boost Power Stages in Switch Mode Power Supplies (Rev. B) 2019/03/12
Selection guide Power Management Guide 2018 (Rev. R) 2018/06/25
User guide UCC3813 Dual Output Boost Converter 2003/10/09
Application note UCC38C42 Family of High-Speed BiCMOS Current-Mode PWM Controllers 2002/02/07
Application note Differences Between the UCC3813 and the UCC3800 PWM Families 2000/06/02
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
Application note U-111, Practical Considerations in Current Mode Power Supplies 1999/09/05
Application note U-133A UCC3800/1/2/3/4/5 BiCMOS Current Mode Control IC's 1999/09/05

설계 및 개발

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패키지 핀 CAD 기호, 풋프린트 및 3D 모델
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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

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