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线性和低压降 (LDO) 稳压器

TPS79501-Q1

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具有使能功能的汽车级 500mA、可调节低压降稳压器

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数据表

TPS79501-Q1

正在供货
数据表 立即订购

米6体育平台手机版_好二三四详情

Output options Adjustable Output Iout (max) (A) 0.5 Vin (max) (V) 5.5 Vin (min) (V) 2.7 Vout (max) (V) 5.4 Vout (min) (V) 1.2 Rating Automotive Noise (µVrms) 33 PSRR at 100 KHz (dB) 40 Iq (typ) (mA) 0.26 Thermal resistance θJA (°C/W) 48 Load capacitance (min) (µF) 1 Regulated outputs (#) 1 Features Enable Accuracy (%) 2 Dropout voltage (Vdo) (typ) (mV) 110 Operating temperature range (°C) -40 to 125
Output options Adjustable Output Iout (max) (A) 0.5 Vin (max) (V) 5.5 Vin (min) (V) 2.7 Vout (max) (V) 5.4 Vout (min) (V) 1.2 Rating Automotive Noise (µVrms) 33 PSRR at 100 KHz (dB) 40 Iq (typ) (mA) 0.26 Thermal resistance θJA (°C/W) 48 Load capacitance (min) (µF) 1 Regulated outputs (#) 1 Features Enable Accuracy (%) 2 Dropout voltage (Vdo) (typ) (mV) 110 Operating temperature range (°C) -40 to 125
VSON (DRB) 8 9 mm² 3 x 3
  • Qualified for Automotive Applications
  • 500-mA Low-Dropout Regulator With Enable
  • High PSRR (50 dB at 10 kHz)
  • Ultralow Noise (33 µVRMS, TPS79501-Q1)
  • Fast Start-Up Time (50 µs)
  • Stable With a 1-µF Ceramic Capacitor
  • Excellent Load/Line Transient Response
  • Low Dropout Voltage (110 mV at Full Load, TPS79501-Q1)
  • APPLICATIONS
    • RF: VCOs, Receivers, ADCs
    • Audio
    • Bluetooth®, Wireless LAN

Bluetooth Is a trademark of Texas Instruments
  • Qualified for Automotive Applications
  • 500-mA Low-Dropout Regulator With Enable
  • High PSRR (50 dB at 10 kHz)
  • Ultralow Noise (33 µVRMS, TPS79501-Q1)
  • Fast Start-Up Time (50 µs)
  • Stable With a 1-µF Ceramic Capacitor
  • Excellent Load/Line Transient Response
  • Low Dropout Voltage (110 mV at Full Load, TPS79501-Q1)
  • APPLICATIONS
    • RF: VCOs, Receivers, ADCs
    • Audio
    • Bluetooth®, Wireless LAN

Bluetooth Is a trademark of Texas Instruments

The TPS79501-Q1 low-dropout (LDO), low-power linear voltage regulator features high power-supply rejection ratio (PSRR), ultralow noise, fast start-up, and excellent line and load transient responses in a small outline SON package. The device is stable with a small 1-µF ceramic capacitor on the output. The TPS79501-Q1 uses an advanced, proprietary BiCMOS fabrication process to yield extremely low dropout voltages (for example, 110 mV at 500 mA). The device achieves fast start-up times (approximately 50 µs with a 0.001-µF bypass capacitor) while consuming very low quiescent current (265 µA, typical). Moreover, when the device is placed in standby mode, the supply current is reduced to less than 1 µA. The TPS79501-Q1 exhibits approximately 33 µVRMS of output voltage noise at 3-V output with a 0.1-µF bypass capacitor. Applications with analog components that are noise-sensitive, such as portable RF electronics, benefit from the high-PSRR and low-noise features, as well as from the fast response time.

The TPS79501-Q1 low-dropout (LDO), low-power linear voltage regulator features high power-supply rejection ratio (PSRR), ultralow noise, fast start-up, and excellent line and load transient responses in a small outline SON package. The device is stable with a small 1-µF ceramic capacitor on the output. The TPS79501-Q1 uses an advanced, proprietary BiCMOS fabrication process to yield extremely low dropout voltages (for example, 110 mV at 500 mA). The device achieves fast start-up times (approximately 50 µs with a 0.001-µF bypass capacitor) while consuming very low quiescent current (265 µA, typical). Moreover, when the device is placed in standby mode, the supply current is reduced to less than 1 µA. The TPS79501-Q1 exhibits approximately 33 µVRMS of output voltage noise at 3-V output with a 0.1-µF bypass capacitor. Applications with analog components that are noise-sensitive, such as portable RF electronics, benefit from the high-PSRR and low-noise features, as well as from the fast response time.
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类型 标题 下载最新的英语版本 日期
* 数据表 Automotive Catalog Single Output LDO, 500mA, Adj.(1.2 to 5.5V), Low Noise, High 数据表 2010年 9月 9日
电路设计 采用精密 DAC 且适用于 LDO 的电源裕度调节电路 (Rev. B) PDF | HTML 英语版 (Rev.B) PDF | HTML 2024年 9月 24日

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仿真模型

Source files for SBAA341

SBAM415.ZIP (16 KB) - TINA-TI Reference Design
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参考设计

TIDA-00322 — 汽车类超声波液位/质量测量参考设计

这项 TI 参考设计是一款汽车液位/浓度/质量/温度液体测量系统。该设计计划使用基于 C2000 和双通道 TDC1000 超声波 AFE 的超声波测量。此解决方案支持 4.5-40V 系统功能，具备电池反向保护。
测试报告: PDF
原理图: PDF
封装 引脚 CAD 符号、封装和 3D 模型
VSON (DRB) 8 Ultra Librarian
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  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
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