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線性與低壓差 (LDO) 穩壓器

TPS74701

現行

具電源良好與啟用功能的 500-mA、低 VIN (0.8-V) 可調式超低壓降電壓穩壓器

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產品規格表

TPS74701

現行
產品規格表 立即訂購

產品詳細資料

Output options Adjustable Output Iout (max) (A) 0.5 Vin (max) (V) 5.5 Vin (min) (V) 0.8 Vout (max) (V) 3.6 Vout (min) (V) 0.8 Noise (µVrms) 20 Iq (typ) (mA) 1 Thermal resistance θJA (°C/W) 42 Rating Catalog Load capacitance (min) (µF) 2.2 Regulated outputs (#) 1 Features Enable, Power good, Soft start Accuracy (%) 2 PSRR at 100 KHz (dB) 27 Dropout voltage (Vdo) (typ) (mV) 50 Operating temperature range (°C) -40 to 125
Output options Adjustable Output Iout (max) (A) 0.5 Vin (max) (V) 5.5 Vin (min) (V) 0.8 Vout (max) (V) 3.6 Vout (min) (V) 0.8 Noise (µVrms) 20 Iq (typ) (mA) 1 Thermal resistance θJA (°C/W) 42 Rating Catalog Load capacitance (min) (µF) 2.2 Regulated outputs (#) 1 Features Enable, Power good, Soft start Accuracy (%) 2 PSRR at 100 KHz (dB) 27 Dropout voltage (Vdo) (typ) (mV) 50 Operating temperature range (°C) -40 to 125
VSON (DRC) 10 9 mm² 3 x 3
  • V OUT range: 0.8 V to 3.6 V
  • Ultra-low V IN range: 0.8 V to 5.5 V
  • V BIAS range 2.7 V to 5.5 V
  • Low dropout:
    • 50 mV typically at 500 mA, V BIAS = 5 V
  • Power-good (PG) output allows supply monitoring or provides a sequencing signal for other supplies
  • Accuracy over line, load, and temperature: 2%
  • Programmable soft-start provides linear voltage start-up
  • V BIAS permits low V IN operation with good transient response
  • Stable with any output capacitor ≥ 2.2 µF
  • Available in a small 3-mm × 3-mm × 1-mm 10-pin package
  • V OUT range: 0.8 V to 3.6 V
  • Ultra-low V IN range: 0.8 V to 5.5 V
  • V BIAS range 2.7 V to 5.5 V
  • Low dropout:
    • 50 mV typically at 500 mA, V BIAS = 5 V
  • Power-good (PG) output allows supply monitoring or provides a sequencing signal for other supplies
  • Accuracy over line, load, and temperature: 2%
  • Programmable soft-start provides linear voltage start-up
  • V BIAS permits low V IN operation with good transient response
  • Stable with any output capacitor ≥ 2.2 µF
  • Available in a small 3-mm × 3-mm × 1-mm 10-pin package

The TPS74701 low-dropout (LDO) linear regulator provides an easy-to-use, robust power management solution for a wide variety of applications. User-programmable soft-start minimizes stress on the input power source by reducing capacitive inrush current on start-up. The soft-start is monotonic and designed for powering many different types of processors and application-specific integrated circuits (ASICs). The enable input and power-good output allow easy sequencing with external regulators. This complete flexibility allows a solution to be configured that meets the sequencing requirements of field-programmable gate arrays (FPGAs), digital signal processors (DSPs), and other applications with special start-up requirements.

A precision reference and error amplifier deliver 2% accuracy over load, line, temperature, and process. The device is stable with any type of capacitor greater than or equal to 2.2 µF, and is fully specified from –40°C to +125°C. The TPS74701 is offered in a small 3-mm × 3-mm VSON-10 package for compatibility with the TPS74801.

The TPS74701 low-dropout (LDO) linear regulator provides an easy-to-use, robust power management solution for a wide variety of applications. User-programmable soft-start minimizes stress on the input power source by reducing capacitive inrush current on start-up. The soft-start is monotonic and designed for powering many different types of processors and application-specific integrated circuits (ASICs). The enable input and power-good output allow easy sequencing with external regulators. This complete flexibility allows a solution to be configured that meets the sequencing requirements of field-programmable gate arrays (FPGAs), digital signal processors (DSPs), and other applications with special start-up requirements.

A precision reference and error amplifier deliver 2% accuracy over load, line, temperature, and process. The device is stable with any type of capacitor greater than or equal to 2.2 µF, and is fully specified from –40°C to +125°C. The TPS74701 is offered in a small 3-mm × 3-mm VSON-10 package for compatibility with the TPS74801.
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類型 標題 日期
* Data sheet TPS74701 500-mA, Low-Dropout Linear Regulator With Programmable Soft-Start datasheet (Rev. H) PDF | HTML 2023年 4月 26日
EVM User's guide TPS74701EVM-177, TPS74801EVM-177 Evaluation Module (Rev. B) PDF | HTML 2023年 5月 8日
Application note LDO Noise Demystified (Rev. B) PDF | HTML 2020年 8月 18日
Application note Using Thermal Calculation Tools for Analog Components (Rev. A) 2019年 8月 30日
Application note A Topical Index of TI LDO Application Notes (Rev. F) 2019年 6月 27日
Selection guide Power Management Guide 2018 (Rev. R) 2018年 6月 25日
Selection guide Low Dropout Regulators Quick Reference Guide (Rev. P) 2018年 3月 21日
Application note LDO PSRR Measurement Simplified (Rev. A) PDF | HTML 2017年 8月 9日
White paper Minimum Power Specifications for High-Performance ADC Power-Supply Designs 2016年 3月 31日
Technical article Designing a power supply solution for pipeline ADCs – Part 2 PDF | HTML 2015年 9月 4日
Application note Simple Power Solution Using LDOs for the DM365 (Rev. A) 2009年 9月 11日
Application note Simple Power Solution Using LDOs for the DM365 2009年 8月 4日
Application note Simple Power Solution Using LDOs For TMS320C2834x MCU 2009年 7月 24日

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模擬型號

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SLIM033B.ZIP (58 KB) - PSpice Model
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