TI UCC28722DBVR
Converter Offline Flyback Topology 650Hz ~ 80kHz SOT-23-6
브랜드: TI
제조업체부품 #: UCC28722DBVR
데이터 시트: UCC28722DBVR 데이터 시트 (PDF)
패키지/케이스: SOT23-6
RoHS 상태:
재고상태: 2950 PC, 새로운 원본
상품 유형: Power Supply Controllers and Monitors
Warranty: 1 Year Ovaga Warranty - Find Out More
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*모든 가격은 USD 단위입니다.
수량 | 단가 | 추가 가격 |
---|---|---|
1 | $0.382 | $0.382 |
10 | $0.308 | $3.080 |
30 | $0.271 | $8.130 |
100 | $0.238 | $23.800 |
500 | $0.229 | $114.500 |
1000 | $0.224 | $224.000 |
In Stock:2950 PCS
UCC28722DBVR 일반적인 설명
The UCC28722 flyback power supply controller provides isolated-output constant-voltage (CV) and constant-current (CC) output regulation without the use of an optical coupler. The device processes information from the primary power switch and an auxiliary flyback winding for precise control of output voltage and current.
Dynamically-controlled operating states and a tailored modulation profile support high-efficiency operation at all load levels without sacrificing output transient response.
Control algorithms in the UCC28722 device allow operating efficiencies to meet or exceed applicable standards. The output drive interfaces to a bipolar transistor power switch, enabling lower-cost converter design. Discontinuous conduction mode (DCM) with valley switching reduces switching losses, while modulation of switching frequency and primary current peak amplitude (FM and AM) keeps the conversion efficiency high across the entire load and line ranges.
The controller has a maximum switching frequency of 80 kHz and always maintains control of the peak-primary current in the transformer. Output overvoltage and overcurrent as well as input undervoltage protection features help keep primary and secondary component stresses in check. The UCC28722 also allows compensation for voltage drop in the cable to be programmed with an external resistor.
특징
- < 50-mW No-Load Power
- Primary-Side Regulation (PSR) Eliminates Opto-
Coupler - Dynamic BJT Drive
- ± 5% Voltage and Current Regulation Across Line
and Load - 80-kHz Maximum Switching Frequency Enables
High-Power Density Charger Designs - Quasi-Resonant Valley-Switching Operation for
Highest Overall Efficiency - Wide VDD Range Allows Small Bias Capacitor
- Output Overvoltage, Low-Line, and Overcurrent
Protection Functions - Programmable Cable Compensation
- SOT23-6 Package
명세서
매개변수 | 값 | 매개변수 | 값 |
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Control mode | Primary-side regulation | UVLO thresholds on/off (V) | 21/7.7 |
Duty cycle (max) (%) | 99 | Switching frequency (max) (kHz) | 80 |
Features | CC/CV output regulation, Cable compensation, DCM, Low power, Overcurrent protection, Primary-side regulated, Soft start | Operating temperature range (°C) | -40 to 125 |
Rating | Catalog | Device type | Controllers |
Topology | Buck, Flyback |
배송
배송 유형 | 배송비 | 리드타임 | |
---|---|---|---|
DHL | $20.00-$40.00 (0.50 KG) | 2-5 날 | |
페덱스 | $20.00-$40.00 (0.50 KG) | 2-5 날 | |
UPS | $20.00-$40.00 (0.50 KG) | 2-5 날 | |
TNT | $20.00-$40.00 (0.50 KG) | 2-5 날 | |
EMS | $20.00-$40.00 (0.50 KG) | 2-5 날 | |
등기 항공 우편 | $20.00-$40.00 (0.50 KG) | 2-5 날 |
처리 시간: 배송비는 지역 및 국가에 따라 다릅니다.
지불
지불 조건 | 핸드 수수료 | |
---|---|---|
은행 송금 | US$30.00의 은행 수수료를 부과합니다. | |
페이팔 | 4.0%의 서비스 수수료를 부과합니다. | |
신용 카드 | 3.5% 서비스 수수료를 부과합니다. | |
웨스턴 유니언 | charge US.00 banking fee. | |
돈 그램 | US$0.00의 은행 수수료를 부과합니다. |
보증
1. 귀하가 구입한 전자 부품에는 365일 보증이 포함되어 있으며, 우리는 제품 품질을 보장합니다.
2. 귀하가 받은 품목 중 일부가 완벽한 품질이 아닌 경우, 당사는 책임 있게 귀하의 환불 또는 교체를 준비할 것입니다. 그러나 품목은 원래 상태를 유지해야 합니다.
포장
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단계1 :제품
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단계2 :진공 포장
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단계3 :정전기 방지 가방
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단계4 :개별 포장
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단계5 :포장 상자
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단계6 :바코드 배송 태그
모든 제품은 정전기 방지 가방에 포장됩니다. ESD 정전기 방지 보호 장치와 함께 배송됩니다.
외부 ESD 포장 라벨은 당사 정보(부품 번호, 브랜드 및 수량)를 사용합니다.
우리는 선적 전에 모든 상품을 검사하고, 모든 제품이 양호한 상태인지 확인하고, 부품이 새로운 원본 일치 데이터시트인지 확인합니다.
모든 상품을 포장한 후 문제가 없는지 확인한 후 안전하게 포장하여 글로벌 특급으로 보내드립니다. 우수한 밀봉 무결성과 함께 탁월한 천공 및 인열 저항성을 나타냅니다.
부품 포인트
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The UCC28722DBVR chip is a primary side regulated (PSR) flyback converter used in power supply applications. It integrates a high-voltage startup, current sense, and a 700 V power FET, eliminating the need for an optocoupler. The chip provides accurate output voltage regulation with minimal external components, reducing overall system cost and complexity. It is suitable for applications such as adapters, auxiliary power supplies, and lighting.
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Equivalent
The equivalent products of the UCC28722DBVR chip include the UCC28720DBV, UCC28721DBV, UCC28723DBVR, and UCC28724DBVR. These chips are all part of the UCC2872x family of devices and are designed for primary-side regulation PWM controllers in flyback converters. -
Features
The UCC28722DBVR is a flyback controller IC designed for isolated power supplies. It features primary-side regulation, eliminating the need for an opto-coupler feedback circuit. With added features like burst mode operation, adaptive UVLO, and thermal shutdown protection, it offers a compact and efficient solution for low-power applications. -
Pinout
The UCC28722DBVR is a voltage mode flyback controller with a pin count of 6. The functions of its pins include providing power supply (VCC), feedback control (FB), error amplifier compensation (COMP), switching node (SW), ground reference (GND), and bias connection (BIAS). -
Manufacturer
The manufacturer of the UCC28722DBVR is Texas Instruments. Texas Instruments is a semiconductor manufacturing company that designs and produces various integrated circuits, including microcontrollers, analog devices, and power management solutions for a wide range of applications. -
Application Field
The UCC28722DBVR is primarily used in power supply applications, including AC/DC converters, battery chargers, and LED lighting. Its high level of integration and advanced features make it suitable for a wide range of power supply designs in various industries. -
Package
The UCC28722DBVR chip has a SOT-23 package type, and it is in a small form factor. Its size is approximately 2.9mm x 1.6mm.
우리는 고품질 제품, 사려 깊은 서비스 및 판매 후 보증을 제공합니다.
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우리는 풍부한 제품을 보유하고 있으며 귀하의 다양한 요구를 충족시킬 수 있습니다.
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최소 주문 수량은 1개부터입니다.
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최저 국제 배송비는 $0.00부터 시작됩니다
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모든 제품에 대해 365일 품질 보증