TPS54326
- D-CAP2 Mode Enables Fast Transient Response
- Low Output Ripple and Allows Ceramic Output Capacitor
- Wide VCC Input Voltage Range: 4.5 V to 18 V
- Wide VIN Input Voltage Range: 2 V to 18 V
- Output Voltage Range: 0.76 V to 5.5 V
- Highly Efficient Integrated FET’s Optimized
for Lower Duty Cycle Applications
- 120 mΩ (High Side) and 70 mΩ (Low Side) - High Efficiency, less than 10 µA at Shutdown
- Auto-Skip Eco-mode™ for High Efficiency at Light Load
- High Initial Bandgap Reference Accuracy
- Adjustable Soft Start
- Pre-Biased Soft Start
- 700-kHz Switching Frequency (fSW)
- Cycle-By-Cycle Overcurrent Limit
- Power Good Output
- APPLICATIONS
- Wide Range of Applications for Low Voltage System
- Digital TV Power Supply
- High Definition Blu-ray Disc Players
- Networking Home Terminal
- Digital Set Top Box (STB)
- Wide Range of Applications for Low Voltage System
D-CAP2 Is a trademark of Texas InstrumentsPower
PAD Is a trademark of Texas InstrumentsPower
The TPS54326 is an adaptive on-time D-CAP2™ mode synchronous buck converter. The TPS54326 enables system designers to complete the suite of various end equipment’s power bus regulators with a cost effective, low component count, low standby current solution. The main control loop for the TPS54326 uses the D-CAP2™ mode control which provides a fast transient response with no external components. The adoptive on-time control supports seamless operation between PWM mode at heavy load condition and reduced frequency Eco-mode operation at light load for high efficiency.
The TPS54326 also has a proprietary circuit that enables the device to adapt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP, and ultra-low ESR ceramic capacitors. The device operates from 4.5-V to 18-V VCC input , and from 2-V to 18-V VIN input power supply voltage. The output voltage can be programmed between 0.76 V and 5.5 V. The device also features an adjustable slow start time and a power good function. The TPS54326 is available in the 14 pin HTSSOP or 16 pin QFN package, and designed to operate from –40°C to 85°C.
관심 가지실만한 유사 제품
비교 대상 장치와 동일한 기능을 지원하는 핀 대 핀
기술 자료
| 유형 | 직함 | 날짜 | ||
|---|---|---|---|---|
| * | Data sheet | 4.5V to 18V Input, 3-A Synchronous Step-Down Converter with Eco-mode datasheet (Rev. E) | 2012/06/06 | |
| User guide | TPS54326 Step-Down Converter Evaluation Module User's Guide (Rev. A) | PDF | HTML | 2021/10/11 | |
| Selection guide | SWIFT DC/DC Converters Selector Guide (Rev. G) | 2019/02/06 | ||
| Technical article | Keeping DC/DC solutions (super) simple for cost-sensitive applications | PDF | HTML | 2016/10/18 | |
| Application note | D-CAP2 Frequency Response Model, based on frequency domain analysis of Fixed On- | 2013/01/02 | ||
| Application note | Understanding Thermal Dissipation and Design of a Heatsink | 2011/05/04 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
TPS54326EVM-540 — 4.5V~18V 입력, 3A 컨버터 평가 모듈
TPS54326 TINA-TI Transient Reference Design
TPS54326 Unencrypted PSpice Transient Model Package (Rev. A)
TIDA-010011 — 보호 릴레이 프로세서 모듈을 위한 고효율 전원 공급 장치 아키텍처 레퍼런스 설계
| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| HTSSOP (PWP) | 14 | Ultra Librarian |
| VQFN (RGT) | 16 | Ultra Librarian |
주문 및 품질
- RoHS
- REACH
- 디바이스 마킹
- 납 마감/볼 재질
- MSL 등급/피크 리플로우
- MTBF/FIT 예측
- 물질 성분
- 인증 요약
- 지속적인 신뢰성 모니터링
- 팹 위치
- 조립 위치