TPS54429E
- D-CAP2™ Mode Enables Fast Transient Response
- Low Output Ripple and Allows Ceramic Output Capacitor
- Wide VIN Input Voltage Range: 7 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
– 63 mΩ (High Side) and 55 mΩ (Low Side) - High Efficiency, less than 10 µA at shutdown
- High Initial Bandgap Reference Accuracy
- Adjustable Soft Start
- Pre-Biased Soft Start
- 700-kHz Switching Frequency (fSW)
- Cycle By Cycle Over Current Limit
- Power Good Output
- Auto-Skip Eco-mode for High Efficiency at Light Load
- 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
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The TPS54429E is an adaptive on-time D-CAP2™ mode synchronous buck converter. The TPS54429E 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 TPS54429E uses the D-CAP2™ mode control which provides a very fast transient response with no external compensation components. The adaptive on-time control supports seamless transition between PWM mode at higher load conditions and Eco-mode™ operation at light loads. Eco-mode™ allows the TPS54429E to maintain high efficiency during lighter load conditions. The TPS54429E also has a proprietary circuit that enables the device to adopt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP, SP-CAP, and ultra-low ESR ceramic capacitors. The device operates from 7-V to 18-V VIN input. The output voltage can be programmed between 0.76V and 5.5V. The device also features an adjustable soft start time and a power good function. The TPS54429E is available in the 14-pin HTSSOP package and the 16 pin QFN package, designed to operate from –20°C to 85°C.
관심 가지실만한 유사 제품
비교 대상 장치와 동일한 기능을 지원하는 핀 대 핀
비교 대상 장치와 유사한 기능
기술 문서
| 유형 | 직함 | 날짜 | ||
|---|---|---|---|---|
| * | Data sheet | 7V to 18V Input, 4.5-A Synchronous Step-Down SWIFTTM Converter with Eco-Mode™ datasheet | 2011/01/19 | |
| EVM User's guide | TPS54429E Step-Down Converter Evaluation Module User's Guide (Rev. A) | PDF | HTML | 2021/08/30 | |
| Application note | D-CAP2 Frequency Response Model, based on frequency domain analysis of Fixed On- | 2013/01/02 |
설계 및 개발
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TPS54429E TINA-TI Transient Reference Design
TPS54429E Unencrypted PSpice Transient Model Package (Rev. A)
| 패키지 | 핀 | 다운로드 |
|---|---|---|
| HTSSOP (PWP) | 14 | 옵션 보기 |
| VQFN (RSA) | 16 | 옵션 보기 |
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