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TPS60241

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具有 5.0V 固定输出、适用于 VCO 电源的 170uVrms 零纹波开关电容升压转换器

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TPS60241

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米6体育平台手机版_好二三四详情

Rating Catalog Operating temperature range (°C) -40 to 85 Type Charge pump Iout (max) (A) 0.025 Vin (min) (V) 2.7 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 100 Switching frequency (max) (kHz) 220 Features Enable, Regulated Vout (min) (V) 5 Vout (max) (V) 5 Iq (typ) (µA) 250
Rating Catalog Operating temperature range (°C) -40 to 85 Type Charge pump Iout (max) (A) 0.025 Vin (min) (V) 2.7 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 100 Switching frequency (max) (kHz) 220 Features Enable, Regulated Vout (min) (V) 5 Vout (max) (V) 5 Iq (typ) (µA) 250
VSSOP (DGK) 8 14.7 mm² 3 x 4.9
  • Wide Input Voltage Range from 1.8 V to 5.5 V
  • Regulated 2.7-V, 3-V, 3.3-V or 5-V Output
    Voltage With ±2.5% Accuracy Over Load
  • Up to 25-mA Output Current
  • 170-µVrms Zero Ripple Output:
    at 20 Hz to 10 MHz Bandwidth
  • Up to 90% Efficiency
  • Minimum Number of External Components
    • No Inductors
    • Only Small Ceramic Chip Capacitors
  • Shutdown Mode: 0.1 µA Typical
  • Thermal Protection and Current Limit
  • Micro-Small 8-Pin VSSOP Package
  • EVM Available TPS60241EVM-194
  • Wide Input Voltage Range from 1.8 V to 5.5 V
  • Regulated 2.7-V, 3-V, 3.3-V or 5-V Output
    Voltage With ±2.5% Accuracy Over Load
  • Up to 25-mA Output Current
  • 170-µVrms Zero Ripple Output:
    at 20 Hz to 10 MHz Bandwidth
  • Up to 90% Efficiency
  • Minimum Number of External Components
    • No Inductors
    • Only Small Ceramic Chip Capacitors
  • Shutdown Mode: 0.1 µA Typical
  • Thermal Protection and Current Limit
  • Micro-Small 8-Pin VSSOP Package
  • EVM Available TPS60241EVM-194

The TPS6024x devices are a family of switched capacitor voltage converters, ideally suited for voltage-controlled oscillator (VCO) and phase-locked loop (PLL) applications that require low noise and tight tolerances. Its dual-cap design uses four ceramic capacitors to provide ultra-low output ripple with high efficiency, while eliminating the need for inefficient linear regulators.

The TPS6024x devices operate down to 1.8 V, supporting a 3.3-V, 2.7-V, 3-V output from two-cell, nickel- or alkaline-based chemistries, whereas the TPS60241 works with 2.7-V to 5.5-V input voltage providing a 5-V output. The devices work equally well for low EMI DC–DC step-up conversion without the need for an inductor. The high switching frequency (typical 160 kHz) promotes the use of small surface-mount capacitors, saving board space. The shutdown mode of the converter conserves battery energy.

The devices are thermally protected and current-limited for reliable operation even under persisting fault conditions. Normal quiescent current (ground pin current) is only 250 µA, and typically 0.1 µA in shutdown mode. The TPS6024x devices come in a thin, 8-pin VSSOP package with a component height of only 1.1 mm.

The TPS6024x devices are a family of switched capacitor voltage converters, ideally suited for voltage-controlled oscillator (VCO) and phase-locked loop (PLL) applications that require low noise and tight tolerances. Its dual-cap design uses four ceramic capacitors to provide ultra-low output ripple with high efficiency, while eliminating the need for inefficient linear regulators.

The TPS6024x devices operate down to 1.8 V, supporting a 3.3-V, 2.7-V, 3-V output from two-cell, nickel- or alkaline-based chemistries, whereas the TPS60241 works with 2.7-V to 5.5-V input voltage providing a 5-V output. The devices work equally well for low EMI DC–DC step-up conversion without the need for an inductor. The high switching frequency (typical 160 kHz) promotes the use of small surface-mount capacitors, saving board space. The shutdown mode of the converter conserves battery energy.

The devices are thermally protected and current-limited for reliable operation even under persisting fault conditions. Normal quiescent current (ground pin current) is only 250 µA, and typically 0.1 µA in shutdown mode. The TPS6024x devices come in a thin, 8-pin VSSOP package with a component height of only 1.1 mm.
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类型 标题 下载最新的英语版本 日期
* 数据表 TPS6024x 170-µVrms Zero-Ripple Switched Capacitor Buck-Boost Converter for VCO Supply 数据表 (Rev. C) PDF | HTML 2015年 10月 15日
应用手册 Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 2018年 12月 11日
模拟设计期刊 高压应用连接低功耗控制器 (Rev. A) 2018年 10月 2日
应用手册 Extending the Soft Start Time Without a Soft Start Pin (Rev. B) 2017年 6月 15日
模拟设计期刊 4Q 2010 Issue Analog Applications Journal 2010年 11月 15日
模拟设计期刊 将低功耗控制器用于高压应用 2010年 11月 15日
EVM 用户指南 TPS60241EVM-194 170 uVrms Zero-Ripple Switched Cap Buck-Boost Converter for 2001年 11月 13日

设计和开发

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评估板

TPS60241EVM-194 — 用于 170 uVrms 零纹波升压/降压充电泵 TPS60241 的评估模块

The TPS60241EVM-194 is an evaluation tool for the 170-µVrms zero-ripple buck-boost charge pump TPS60241. With an input voltage in the range of 2.7 V to 5.5 V, it delivers a regulated output voltage of 5 V with up to 25mA of output current.

用户指南: PDF
TI.com 上无现货
参考设计

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此参考设计展示了一个 4 通道直流输入二进制模块的空间和成本优化型架构，该模块在测量精度和状态指示方面进行了改进，且仅使用两个米6体育平台手机版_好二三四，简化了系统设计。基于 MCU 的二进制模块可提高二进制输入的测量分辨率，从而实现更佳的系统性能以进行准确且可重复的故障指示，并消除对多个硬件版本的需求（将同一设计用于多个标称电压输入），从而减少设计、测试、制造和现场支持工作量。此设计将 4 输入通道配置为分组隔离输入，以便更大限度降低每个通道的成本。一个 10 位模数转换器 (ADC) 可测量大范围的直流输入，且精度达到 ±3% ±1V 以内。此设计已执行针对 EMI 和 EMC (...)
设计指南: PDF
原理图: PDF
参考设计

TIDA-01214 — 采用 16 位 ADC 和数字隔离器的隔离式高精度模拟输入模块参考设计

This reference design provides accurate measurements of AC voltage and current inputs using a precision 16-bit SAR ADC over a wide input range, covering protection and measurement range (including sampling requirements of IEC 61850-9-2), simplifying system design and improving trip time (...)
设计指南: PDF
原理图: PDF
封装 引脚 CAD 符号、封装和 3D 模型
VSSOP (DGK) 8 Ultra Librarian
应遵守 TI 评估类商品的标准条款与条件。

订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

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