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TPS62405-Q1
- Qualified for automotive applications
- AEC-Q100 qualified with
the following results:
- Device temperature grade 1: –40°C to 125°C operating junction temperature range
- Device HBM ESD classification level H2
- Device CDM ESD classification level C4B
- High efficiency—up to 95%
- VIN Range from 2.5 V to 6 V
- 2.25-MHz Fixed-frequency operation
- Output current 400 mA and 600 mA
- Adjustable output voltage from 0.6 V to VIN
- Pin selectable output voltage supports simple dynamic voltage scaling
- EasyScale™ optional one-pin serial interface
- Power-save mode at light load currents
- 180° Out-of-phase operation
- Output-voltage accuracy in PWM mode ±1%
- Typical 32-µA quiescent current for both converters
- 100% Duty cycle for lowest dropout
The TPS6240x-Q1 family of devices are synchronous dual step-down DC-DC converters optimized for battery-powered portable applications and automotive systems. They provide two independent output voltage rails powered by rechargeable batteries or standard 3.3-V or 5-V voltage rail.
The EasyScale™ serial interface allows output-voltages
modification during operation. The fixed-output-voltage versions, TPS62402-Q1,
TPS62404-Q1, and TPS62405-Q1 support one-pin-controlled simple dynamic voltage scaling for
low-power processors.
The TPS6240x-Q1 operates at 2.25-MHz fixed switching frequency and enters the power-save mode operation at light load currents to maintain high efficiency over the entire load-current range. For low-noise applications, one can force the devices into fixed-frequency PWM mode by pulling the MODE/DATA pin high. The shutdown mode reduces the current consumption to 1.2-µA, typical. The devices allow the use of small inductors and capacitors to achieve a small solution size.
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기술 자료
| 상위 문서 | 유형 | 직함 | 형식 옵션 | 최신 영어 버전 다운로드 | 날짜 |
|---|---|---|---|---|---|
| * | 데이터 시트 | TPS6240x-Q1 2.25-MHz 400-mA and 600-mA Dual Step-Down Converter datasheet (Rev. F) | PDF | HTML | 2020. 4. 16 | |
| 아날로그 디자인 학술지 | Methods of output-voltage adjustment for DC/DC converters | 2019. 6. 14 | |||
| 아날로그 디자인 학술지 | Understanding 100% mode in low-power DC/DC converters | 2018. 6. 22 | |||
| 아날로그 디자인 학술지 | Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold | 2017. 10. 24 | |||
| 아날로그 디자인 학술지 | Testing tips for applying external power to supply outputs without an input voltage | 2016. 10. 24 | |||
| 아날로그 디자인 학술지 | Five steps to a great PCB layout for a step-down converter | 2015. 1. 29 |
설계 및 개발
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TPS62405 Unencrypted PSpice Transient Model Package (Rev. A)
| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| VSON (DRC) | 10 | Ultra Librarian |