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The TPS57140-Q1 device is a 42-V, 1.5-A step-down regulator with an integrated high-side MOSFET. Current-mode control provides simple external compensation and flexible component selection. A low-ripple pulse-skip mode reduces the no-load, regulated output supply current to 116 μA. When the enable pin is in the low state, the shutdown current is reduced to 1.5 µA.
Undervoltage lockout is internally set at 2.5 V, but can be increased using the enable pin. The output voltage startup ramp is controlled by the slow-start pin that can also be configured for sequencing or tracking. An open-drain power-good signal indicates the output is within 92% to 109% of its nominal voltage.
A wide switching-frequency range allows optimization of efficiency and external component size. Frequency foldback and thermal shutdown protect the part during an overload condition.
The TPS57140-Q1 is available in a 10-pin thermally enhanced MSOP-PowerPAD package (DGQ) and a 10-pin VSON package (DRC).
For all available packages, see the orderable addendum at the end of the data sheet.| 유형 | 직함 | 날짜 | ||
|---|---|---|---|---|
| * | Data sheet | TPS57140-Q1 1.5-A 42-V Step-Down DC-DC Converter With Eco-mode™ Control datasheet (Rev. D) | PDF | HTML | 2016/02/05 |
| Selection guide | Automotive Infotainment EE Buck Converter/Controller Selection Guide (Rev. B) | 2021/04/15 | ||
| Application note | Passing CISPR25 Radiated Emissions Using the TPS54160-Q1 (Rev. A) | 2019/05/23 | ||
| Application note | Interfacing TPS57xxx-Q1 and TPS65320-Q1 Family Devices With Low Impendence Exter | 2015/12/08 | ||
| Application note | TPS54xxx-Q1 and TPS57xxx-Q1 Devices EMC Performance Comparison Study | 2015/11/17 | ||
| Application note | TPS54xx0-Q1 and TPS57xx0-Q1 Pin Open and Short Test Results (Rev. B) | 2015/11/03 | ||
| Application note | Design Considerations for DC-DC Converters in Fast-Input Slew Rate Applications | 2015/03/05 |
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
This worksheet is designed for use with Microsoft Excel 2002 or later. It intends to assist circuit designers in their day-to-day calculations
This worksheet includes two sections:
| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| HVSSOP (DGQ) | 10 | Ultra Librarian |
| VSON (DRC) | 10 | Ultra Librarian |
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.