전원 관리 AC/DC & DC/DC controllers (external FET)

UC1825B-SP

활성

방사능 경화 QMLV, 30V 입력, 2A 듀얼 출력 1MHz PWM 컨트롤러

제품 상세 정보

Vin (max) (V) 30 Operating temperature range (°C) -55 to 125 Control mode Peak current mode, Voltage Topology Boost, Flyback, Forward, Full bridge, Half bridge, Push pull Rating Space Duty cycle (max) (%) 80
Vin (max) (V) 30 Operating temperature range (°C) -55 to 125 Control mode Peak current mode, Voltage Topology Boost, Flyback, Forward, Full bridge, Half bridge, Push pull Rating Space Duty cycle (max) (%) 80
CFP (HKT) 16 72.136 mm² 10.16 x 7.1 DIESALE (KGD) See data sheet
  • QML-V qualified, SMD 5962-8768106
  • 5962R8768106VYC:
    • Radiation hardness assurance (RHA) up to 100-krad(Si) total ionizing dose (TID) (1)
  • Compatible with voltage- or current-mode topologies
  • Practical operation switching frequencies to 1 MHz
  • 50-ns propagation delay-to-output
  • High-current dual totem pole outputs (2-A peak)
  • Wide bandwidth error amplifier
  • Fully latched logic with double-pulse suppression
  • Pulse-by-pulse current limiting
  • Soft start/maximum duty-cycle control
  • Undervoltage lockout with hysteresis
  • Low start-up current (1.1 mA)

(1)Radiation tolerance is a typical value based upon initial device qualification with dose rate = 10 mrad(Si)/s. Radiation Lot Acceptance Testing is available - contact factory for details.

  • QML-V qualified, SMD 5962-8768106
  • 5962R8768106VYC:
    • Radiation hardness assurance (RHA) up to 100-krad(Si) total ionizing dose (TID) (1)
  • Compatible with voltage- or current-mode topologies
  • Practical operation switching frequencies to 1 MHz
  • 50-ns propagation delay-to-output
  • High-current dual totem pole outputs (2-A peak)
  • Wide bandwidth error amplifier
  • Fully latched logic with double-pulse suppression
  • Pulse-by-pulse current limiting
  • Soft start/maximum duty-cycle control
  • Undervoltage lockout with hysteresis
  • Low start-up current (1.1 mA)

(1)Radiation tolerance is a typical value based upon initial device qualification with dose rate = 10 mrad(Si)/s. Radiation Lot Acceptance Testing is available - contact factory for details.

The UC1825B-SP PWM control device is optimized for high-frequency switched mode power supply applications. Particular care was given to minimizing propagation delays through the comparators and logic circuitry while maximizing bandwidth and slew rate of the error amplifier. This controller is designed for use in either current-mode or voltage mode systems with the capability for input voltage feed-forward.

Protection circuitry includes a current limit comparator with a 1-V threshold, a TTL compatible shutdown port, and a soft start pin which will double as a maximum duty-cycle clamp. The logic is fully latched to provide jitter-free operation and prohibit multiple pulses at an output. An undervoltage lockout section with 800 mV of hysteresis assures low start up current. During undervoltage lockout, the outputs are high impedance.

This device features totem pole outputs designed to source and sink high peak currents from capacitive loads, such as the gate of a power MOSFET. The on-state is designed as a high level.

The UC1825B-SP PWM control device is optimized for high-frequency switched mode power supply applications. Particular care was given to minimizing propagation delays through the comparators and logic circuitry while maximizing bandwidth and slew rate of the error amplifier. This controller is designed for use in either current-mode or voltage mode systems with the capability for input voltage feed-forward.

Protection circuitry includes a current limit comparator with a 1-V threshold, a TTL compatible shutdown port, and a soft start pin which will double as a maximum duty-cycle clamp. The logic is fully latched to provide jitter-free operation and prohibit multiple pulses at an output. An undervoltage lockout section with 800 mV of hysteresis assures low start up current. During undervoltage lockout, the outputs are high impedance.

This device features totem pole outputs designed to source and sink high peak currents from capacitive loads, such as the gate of a power MOSFET. The on-state is designed as a high level.

다운로드 스크립트와 함께 비디오 보기 동영상

관심 가지실만한 유사 제품

open-in-new 대안 비교
비교 대상 장치와 유사한 기능
TPS7H5001-SP 활성 방사능 저항 동기 정류를 지원하는 QMLV 및 QMLP 2MHz, 듀얼 출력 PWM 컨트롤러 More feature rich QML-qualified radiation-hardened PWM controller family
TPS7H5005-SEP 활성 동기 정류를 지원하는 방사능 내성, 2MHz, 듀얼 출력 PWM 컨트롤러 More feature rich radiation-tolerant PWM controller family for LEO or shorter duration missions

기술 문서

star =TI에서 선정한 이 제품의 인기 문서
검색된 결과가 없습니다. 검색어를 지우고 다시 시도하십시오.
모두 보기15
유형 직함 날짜
* Data sheet UC1825B-SP Class-V, Radiation Hardened High-Speed PWM Controller datasheet (Rev. A) PDF | HTML 2020/12/16
* Radiation & reliability report SEE Test Report of the UC1825B-SP High Speed PWM Controller 2020/06/01
* SMD UC1825B-SP SMD 5962-87681 2020/05/19
* Radiation & reliability report UC1825B-SP Neutron Displacement Damage Characterization 2019/03/01
* Radiation & reliability report UC1825B-SP total ionizing dose (TID) radiation report 2019/03/01
More literature TI Engineering Evaluation Units vs. MIL-PRF-38535 QML Class V Processing (Rev. A) 2023/08/31
Application note QML flow, its importance, and obtaining lot information (Rev. C) 2023/08/30
Application note Heavy Ion Orbital Environment Single-Event Effects Estimations (Rev. A) PDF | HTML 2022/11/17
Application note Single-Event Effects Confidence Interval Calculations (Rev. A) PDF | HTML 2022/10/19
Selection guide TI Space Products (Rev. I) 2022/03/03
Application brief Controlling Input Power for Present and Next-Generation Power Controllers PDF | HTML 2020/12/14
Application note DLA Standard Microcircuit Drawings (SMD) and JAN Part Numbers Primer 2020/08/21
Application note Hermetic Package Reflow Profiles, Termination Finishes, and Lead Trim and Form PDF | HTML 2020/05/18
E-book Radiation Handbook for Electronics (Rev. A) 2019/05/21
User guide UC1825B-SP evaluation module (EVM) user's guide 2019/03/29

설계 및 개발

추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.

평가 보드

UC1825BEVM-CVAL — 5V/50W 푸시-풀 평가 모듈

The UC1825B-SP EVM shows off the capabilites of the SP process using a push-pull topology. In combination with the UC1901-SP the controller is able to allow for both isolated and non-isolated regulation requirements. The design is able to use an ouput choke to allow for very low ripple for high (...)
사용 설명서: PDF
TI.com에서 구매할 수 없습니다
시뮬레이션 모델

UC1825 TINA-TI Transient Reference Design

SLUM653.TSC (5219 KB) - TINA-TI Reference Design
시뮬레이션 모델

UC1825 Unencrypted TINA-TI Transient Spice Model

SLUM673.ZIP (6 KB) - TINA-TI Spice Model
레퍼런스 디자인

PMP22680 — 40W, ±15V 플라이백(자기 피드백 레퍼런스 설계 포함)

이 레퍼런스 설계는 70V ~ 120V DC 입력 전압으로부터 40W에서 절연 ±15V를 생성합니다. 이 설계는 광커플러의 기능을 대체하기 위해 자기 피드백 회로를 사용합니다.
Test report: PDF
레퍼런스 디자인

PMP23033 — 자기 피드백을 지원하는 40V 5V 단일 스위치 순방향 컨버터 레퍼런스 설계

이 레퍼런스 설계는 60V~120V DC 입력 전압으로부터 40W에서 절연 5V를 생성합니다. 이 설계는 광커플러의 기능을 대체하기 위해 자기 피드백 회로를 사용합니다.
Test report: PDF
패키지 다운로드
CFP (HKT) 16 옵션 보기
DIESALE (KGD)

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

지원 및 교육

TI 엔지니어의 기술 지원을 받을 수 있는 TI E2E™ 포럼

콘텐츠는 TI 및 커뮤니티 기고자에 의해 "있는 그대로" 제공되며 TI의 사양으로 간주되지 않습니다. 사용 약관을 참조하십시오.

품질, 패키징, TI에서 주문하는 데 대한 질문이 있다면 TI 지원을 방문하세요. ​​​​​​​​​​​​​​

동영상