TPS53311
- 95.5% Maximum Efficiency
- Continuous 3-A Output Current
- Supports All MLCC Output Capacitor
- SmoothPWM™ Auto-Skip Eco-mode™ for Light-Load Efficiency
- Voltage Mode Control
- Supports Master-Slave Interleaved Operation
- Synchronization up to ±20% of Nominal Frequency
- Conversion Voltage Range From 2.9 V to 6 V
- Soft-Stop Output Discharge During Disable
- Adjustable Output Voltage Ranging From 0.6 V to 0.84 V × VIN
- Overcurrent, Overvoltage, and Overtemperature Protection
- Small, 3 mm × 3 mm, 16-Pin VQFN Package
- Open-Drain Power Good Indication
- Internal Boot Strap Switch
- Low RDS(on), 24 mΩ With 3.3-V Input and 19-mΩ With 5-V Input
- Supports Prebias Start-Up Functionality
The TPS53311 provides a fully integrated 3-V to 5-V VIN integrated synchronous FET converter solution with 16 total components, in 200 mm2 of PCB area. Due to the low RDS(on) and TI Proprietary SmoothPWM™ skip mode of operation, it enables 95.5% peak efficiency, and over 90% efficiency at loads as light as 100 mA. It requires only two 22-µF ceramic output capacitors for a power-dense, 3-A solution.
The TPS53311 features a 1.1-MHz switching frequency, SKIP mode operation support, prebias start-up, internal soft start, output soft discharge, internal VBST switch, power good, EN/input UVLO, overcurrent, overvoltage, undervoltage, and overtemperature protections and all ceramic output capacitor support. It supports supply voltage from 2.9 V to 3.5 V and conversion voltage from 2.9 V to 6 V, and output voltage is adjustable from 0.6 V to 0.84 V × VIN.
The TPS53311 is available in the 3 mm × 3 mm 16-pin VQFN package (Green RoHs compliant and Pb free) and operates between –40°C and 85°C.
기술 자료
유형 | 직함 | 날짜 | ||
---|---|---|---|---|
* | Data sheet | TPS53311 3-A Step-Down Regulator With Integrated Switcher datasheet (Rev. B) | PDF | HTML | 2016/09/27 |
Selection guide | Power Management Guide 2018 (Rev. R) | 2018/06/25 | ||
Application note | Unified Ground Connection Recommendation on TPS53K- Integrated FET-Converter Dev | 2017/01/25 | ||
User guide | Using the TPS53311EVM-561, a 3-A Eco-mode(TM) Integrated Switcher w/Mastr-Slave (Rev. A) | 2010/11/11 |
설계 및 개발
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TPS53311EVM-561 — TPS53311 동기 스텝다운 DCDC 컨버터용 평가 모듈
패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
---|---|---|
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