홈 전원 관리 AC/DC & DC/DC converters (integrated FET)
홈
전원 관리
AC/DC & DC/DC converters (integrated FET)

TPS62690

활성

칩 스케일 패키징, 500mA, 4MHz, 2.85V 출력 고효율 스텝다운 컨버터

지금 주문
데이터시트

TPS62690

활성
데이터시트 지금 주문

제품 상세 정보

Iout (max) (A) 0.5 Vin (min) (V) 2.3 Vin (max) (V) 4.8 Topology Buck Type Converter Switching frequency (min) (kHz) 3600 Switching frequency (max) (kHz) 4400 Features Enable, Forced PWM, Light Load Efficiency, Light load efficiency, Output discharge, Spread Spectrum, Synchronous Rectification Control mode Voltage mode Vout (min) (V) 2.85 Vout (max) (V) 2.85 Rating Catalog Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.000019
Iout (max) (A) 0.5 Vin (min) (V) 2.3 Vin (max) (V) 4.8 Topology Buck Type Converter Switching frequency (min) (kHz) 3600 Switching frequency (max) (kHz) 4400 Features Enable, Forced PWM, Light Load Efficiency, Light load efficiency, Output discharge, Spread Spectrum, Synchronous Rectification Control mode Voltage mode Vout (min) (V) 2.85 Vout (max) (V) 2.85 Rating Catalog Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.000019
DSBGA (YFF) 6 1.4000000000000001 mm² 1 x 1.4000000000000001
  • 95% Efficiency at 4MHz Operation
  • 19µA Quiescent Current
  • 4MHz Regulated Frequency Operation
  • High Duty-Cycle Operation
  • ±2% Total DC Voltage Accuracy
  • Load and Line Transient
  • Excellent AC Load Regulation
  • Low Ripple Light-Load PFM Mode
  • ≥40dB VIN PSRR (1kHz to 10kHz)
  • Internal Soft Start, 250-µs Start-Up Time
  • Integrated Active Power-Down Sequencing (Optional)
  • Current Overload and Thermal Shutdown Protection
  • Three Surface-Mount External Components Required
    (One 2012 MLCC Inductor, Two 0402 Ceramic Capacitors)
  • Complete Sub 1-mm Component Profile Solution
  • Total Solution Size <12 mm2
  • Available in a 6-Pin NanoFree (CSP)
  • 95% Efficiency at 4MHz Operation
  • 19µA Quiescent Current
  • 4MHz Regulated Frequency Operation
  • High Duty-Cycle Operation
  • ±2% Total DC Voltage Accuracy
  • Load and Line Transient
  • Excellent AC Load Regulation
  • Low Ripple Light-Load PFM Mode
  • ≥40dB VIN PSRR (1kHz to 10kHz)
  • Internal Soft Start, 250-µs Start-Up Time
  • Integrated Active Power-Down Sequencing (Optional)
  • Current Overload and Thermal Shutdown Protection
  • Three Surface-Mount External Components Required
    (One 2012 MLCC Inductor, Two 0402 Ceramic Capacitors)
  • Complete Sub 1-mm Component Profile Solution
  • Total Solution Size <12 mm2
  • Available in a 6-Pin NanoFree (CSP)

The TPS6269x device is a high-frequency synchronous step-down dc-dc converter optimized for battery-powered portable applications. Intended for low-power applications, the TPS6269x supports up to 600-mA load current, and allows the use of low cost chip inductor and capacitors.

The device is ideal for mobile phones and similar portable applications powered by a single-cell Li-Ion battery. Different fixed voltage output versions are available from 2.2V to 2.9V.

The TPS6269x operates at a regulated 4-MHz switching frequency and enters the power-save mode operation at light load currents to maintain high efficiency over the entire load current range.

The PFM mode extends the battery life by reducing the quiescent current to 19µA (typ) during light load operation. For noise-sensitive applications, the device can be forced into fixed frequency PWM mode by pulling the MODE pin high. This feature, combined with high PSRR and AC load regulation performance, make this device suitable to replace a linear regulator to obtain better power conversion efficiency.

The TPS6269x device is a high-frequency synchronous step-down dc-dc converter optimized for battery-powered portable applications. Intended for low-power applications, the TPS6269x supports up to 600-mA load current, and allows the use of low cost chip inductor and capacitors.

The device is ideal for mobile phones and similar portable applications powered by a single-cell Li-Ion battery. Different fixed voltage output versions are available from 2.2V to 2.9V.

The TPS6269x operates at a regulated 4-MHz switching frequency and enters the power-save mode operation at light load currents to maintain high efficiency over the entire load current range.

The PFM mode extends the battery life by reducing the quiescent current to 19µA (typ) during light load operation. For noise-sensitive applications, the device can be forced into fixed frequency PWM mode by pulling the MODE pin high. This feature, combined with high PSRR and AC load regulation performance, make this device suitable to replace a linear regulator to obtain better power conversion efficiency.
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기술 문서

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모두 보기12
유형 직함 날짜
* Data sheet 500-mA/600-mA, 4-MHz High-Efficiency Step-Down Converter datasheet (Rev. B) 2012/01/09
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 2018/12/11
Selection guide Power Management Guide 2018 (Rev. R) 2018/06/25
Analog Design Journal Understanding 100% mode in low-power DC/DC converters 2018/06/22
Analog Design Journal Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold 2017/10/24
Analog Design Journal Testing tips for applying external power to supply outputs without an input voltage 2016/10/24
Application note Basic Calculation of a Buck Converter's Power Stage (Rev. B) 2015/08/17
Analog Design Journal Five steps to a great PCB layout for a step-down converter 2015/01/29
Application note Understanding the Absolute Maximum Ratings of the SW Node (Rev. A) 2012/01/13
User guide TPS6269xEVM-076 Evaluation Module (Rev. A) 2011/10/26
User guide TPS6269xEVM-076 Evaluation Module 2011/09/15
Analog Design Journal IQ: What it is, what it isn’t, and how to use it 2011/06/17

설계 및 개발

추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.

평가 보드

TPS62690EVM-076 — TPS62690, 500mA, 4MHz, 2.85-Vout 고효율 스텝다운 컨버터용 평가 모듈

The TPS6269xEVM-076 is a fully assembled and tested platform for evaluating the performance of the TPS6269x high-frequency, synchronous, step-down, dc-dc converters optimized forbattery-powered portable applications. This user’s guide document includes schematic diagrams, a printed-circuit board (...)

사용 설명서: PDF
TI.com에서 구매할 수 없습니다
평가 보드

TPS62692EVM-076 — TPS62692EVM-076 고효율 VIN 스텝다운 컨버터 평가 모듈 보드

Efficiency VIN Step Down Converter Evaluation Module Board

Demonstrate TPS62690/1/2/3 high efficiency VIN step down converter.
사용 설명서: PDF
TI.com에서 구매할 수 없습니다
거버(Gerber) 파일

PWR076A Gerbers

SLVC551.ZIP (501 KB)
다운로드
패키지 핀 다운로드
DSBGA (YFF) 6 옵션 보기
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주문 및 품질

포함된 정보:
  • RoHS
  • REACH
  • 디바이스 마킹
  • 납 마감/볼 재질
  • MSL 등급/피크 리플로우
  • MTBF/FIT 예측
  • 물질 성분
  • 인증 요약
  • 지속적인 신뢰성 모니터링
포함된 정보:
  • 팹 위치
  • 조립 위치

지원 및 교육

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포럼 주제 모두 보기(영문)

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