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線性與低壓差 (LDO) 穩壓器

TPS74801-Q1

現行

具電源良好與啟用功能的車用 1.5-A、低 VIN (0.8 V) 可調式 LDO 電壓穩壓器

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TPS748A-Q1 現行 具電源良好與啟用功能的車用 1.5-A、0.8-V 低雜訊可調式 LDO 電壓穩壓器 Improved power-supplyy rejection ratio (PSRR), lower noise and lower quiescent current (IQ)

TPS74801-Q1

現行
產品規格表 立即訂購

產品詳細資料

Output options Adjustable Output Iout (max) (A) 1.5 Vin (max) (V) 5.5 Vin (min) (V) 0.8 Vout (max) (V) 3.6 Vout (min) (V) 0.8 Rating Automotive Noise (µVrms) 20 PSRR at 100 KHz (dB) 55 Iq (typ) (mA) 0.48 Thermal resistance θJA (°C/W) 36, 47.2 Load capacitance (min) (µF) 2.2 Regulated outputs (#) 1 Features Enable, Power good, Soft start Accuracy (%) 1.3 Dropout voltage (Vdo) (typ) (mV) 50 Operating temperature range (°C) -40 to 150
Output options Adjustable Output Iout (max) (A) 1.5 Vin (max) (V) 5.5 Vin (min) (V) 0.8 Vout (max) (V) 3.6 Vout (min) (V) 0.8 Rating Automotive Noise (µVrms) 20 PSRR at 100 KHz (dB) 55 Iq (typ) (mA) 0.48 Thermal resistance θJA (°C/W) 36, 47.2 Load capacitance (min) (µF) 2.2 Regulated outputs (#) 1 Features Enable, Power good, Soft start Accuracy (%) 1.3 Dropout voltage (Vdo) (typ) (mV) 50 Operating temperature range (°C) -40 to 150
VQFN (RGW) 20 25 mm² 5 x 5 VSON (DRC) 10 9 mm² 3 x 3
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • VOUT range: 0.8V to 3.6V
  • Ultra-low VIN range: 0.8V to 5.5V
  • VBIAS range 2.7V to 5.5V
  • Low dropout: 60mV typ at 1.5A, VBIAS = 5V
  • Power-good (PG) output allows supply monitoring or provides a sequencing signal for other supplies
  • 2% accuracy over line, load, and temperature
  • Programmable soft-start provides linear voltage start-up
  • VBIAS permits low VIN operation with good transient response
  • Stable with any output capacitor ≥ 2.2µF
  • Available in small 3mm × 3mm × 1mm VSON-10 and 5mm × 5mm VQFN-20 packages
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • VOUT range: 0.8V to 3.6V
  • Ultra-low VIN range: 0.8V to 5.5V
  • VBIAS range 2.7V to 5.5V
  • Low dropout: 60mV typ at 1.5A, VBIAS = 5V
  • Power-good (PG) output allows supply monitoring or provides a sequencing signal for other supplies
  • 2% accuracy over line, load, and temperature
  • Programmable soft-start provides linear voltage start-up
  • VBIAS permits low VIN operation with good transient response
  • Stable with any output capacitor ≥ 2.2µF
  • Available in small 3mm × 3mm × 1mm VSON-10 and 5mm × 5mm VQFN-20 packages

The TPS74801-Q1 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 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 FPGAs, DSPs, and other applications with special start-up requirements.

A precision reference and error amplifier delivers 2% accuracy over load, line, temperature, and process. The device is stable with any type of output capacitor greater than or equal to 2.2µF, and is fully specified for TJ = –40°C to +150°C for the new chip, TJ = –40°C to +105°C for the DRC package, and TJ = –40°C to +125°C for the RGW package. The TPS74801-Q1 is offered in a small 3mm × 3mm VSON-10 package, yielding a highly compact, total solution size. The device is also available in a 5mm × 5mm VQFN-20.

The TPS74801-Q1 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 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 FPGAs, DSPs, and other applications with special start-up requirements.

A precision reference and error amplifier delivers 2% accuracy over load, line, temperature, and process. The device is stable with any type of output capacitor greater than or equal to 2.2µF, and is fully specified for TJ = –40°C to +150°C for the new chip, TJ = –40°C to +105°C for the DRC package, and TJ = –40°C to +125°C for the RGW package. The TPS74801-Q1 is offered in a small 3mm × 3mm VSON-10 package, yielding a highly compact, total solution size. The device is also available in a 5mm × 5mm VQFN-20.
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* Data sheet TPS74801-Q1 Automotive, 1.5A, Low-Dropout Linear Regulator With Programmable Soft-Start datasheet (Rev. E) PDF | HTML 2024年 9月 24日
Functional safety information TPS74801-Q1 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 2022年 2月 11日

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TPS74801EVM-177 — TPS74801 LDO 線性穩壓器評估模組

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TPS74801 需要低功耗偏壓 (VBIAS) 和電源輸入電壓 (VIN)。穩壓器可提供低至 0.8 V 的輸出電壓，並擁有整合式監控電路及開漏輸出，可在輸出電壓達到穩壓 [電源良好 (PG)] 時進入高阻抗狀態。TPS74801 可提供最高 1.5 A 的 DC 電流。

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VQFN (RGW) 20 Ultra Librarian
VSON (DRC) 10 Ultra Librarian
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