TPS768
- Input Voltage Range: 2.7 V to 10 V
- Low-Dropout Voltage: 230 mV typical at 1 A (TPS76850)
- 2% Tolerance Over Specified Conditions for Fixed-Output Versions
- Open Drain Power Good (See TPS767xx for Power-On Reset With 200-ms Delay Option)
- Ultralow 85 µA Typical Quiescent Current
- Available in 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V, 3.0-V, 3.3-V, 5.0-V Fixed Output and Adjustable (1.2 V to 5.5 V) Versions
- Fast Transient Response
- Thermal Shutdown Protection
- SOIC-8 (D) and TSSOP-20 (PWP) Package
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This device is designed to have a fast transient response and be stable with 10 µF capacitors. This combination provides high performance at a reasonable cost.
Since the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 230 mV at an output current of 1 A for the TPS76850) and is directly proportional to the output current. Additionally, because the PMOS pass element is a voltage-driven device, the quiescent current is very low and independent of output loading (typically 85 µA over the full range of output current, 0 mA to 1 A). These two key specifications yield a significant improvement in operating life for battery-powered systems. This LDO family also features a shutdown mode; applying a TTL high signal to EN (enable) shuts down the regulator, reducing the quiescent current to less than 1 µA at TJ = 25°C.
Power good (PG) is an active high output, which can be used to implement a power-on reset or a low-battery indicator.
기술 문서
유형 | 직함 | 날짜 | ||
---|---|---|---|---|
* | Data sheet | Fast-Transient-Response 1-A Low-Dropout Voltage Regulators datasheet (Rev. L) | 2006/01/30 | |
Application note | LDO Noise Demystified (Rev. B) | PDF | HTML | 2020/08/18 | |
Application note | PowerPAD™ Thermally Enhanced Package (Rev. H) | 2018/07/06 | ||
Application note | LDO PSRR Measurement Simplified (Rev. A) | PDF | HTML | 2017/08/09 | |
User guide | Low Cost Isolated Power Supply for PoE Applications | 2003/05/20 |
설계 및 개발
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Step 1: Hardware
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Step 2: Software
Request access to PurePath™ Console 3 and TAS5805M Software
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Download the TAS5805M Evaluation Module user's guide
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패키지 | 핀 | 다운로드 |
---|---|---|
HTSSOP (PWP) | 20 | 옵션 보기 |
SOIC (D) | 8 | 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
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.