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線性與低壓差 (LDO) 穩壓器

TPS769-Q1

現行

具有啟用功能的車用 100mA 10V 低 IQ 低壓差電壓穩壓器

立即訂購
產品規格表

TPS769-Q1

現行
產品規格表 立即訂購

產品詳細資料

Rating Automotive Vin (max) (V) 10 Vin (min) (V) 2.7 Iout (max) (A) 0.1 Output options Adjustable Output, Fixed Output Vout (max) (V) 5.5 Vout (min) (V) 1.2 Fixed output options (V) 1.2, 1.5, 1.8, 2.5, 2.7, 2.8, 3, 3.3, 5, 5.5 Noise (µVrms) 190 PSRR at 100 KHz (dB) 28 Iq (typ) (mA) 0.017 Features Enable Thermal resistance θJA (°C/W) 205 Load capacitance (min) (µF) 4.7 Regulated outputs (#) 1 Accuracy (%) 3 Dropout voltage (Vdo) (typ) (mV) 71 Operating temperature range (°C) -40 to 125
Rating Automotive Vin (max) (V) 10 Vin (min) (V) 2.7 Iout (max) (A) 0.1 Output options Adjustable Output, Fixed Output Vout (max) (V) 5.5 Vout (min) (V) 1.2 Fixed output options (V) 1.2, 1.5, 1.8, 2.5, 2.7, 2.8, 3, 3.3, 5, 5.5 Noise (µVrms) 190 PSRR at 100 KHz (dB) 28 Iq (typ) (mA) 0.017 Features Enable Thermal resistance θJA (°C/W) 205 Load capacitance (min) (µF) 4.7 Regulated outputs (#) 1 Accuracy (%) 3 Dropout voltage (Vdo) (typ) (mV) 71 Operating temperature range (°C) -40 to 125
SOT-23 (DBV) 5 8.12 mm² (2.9 mm × 2.8 mm)
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: −40°C to 125°C, TA
  • Input voltage range:
    • Legacy chip: 2.7V to 10V (13.5V absolute max)
    • New chip: 2.5V to 16V (18V absolute max)
  • Output voltage range (adjustable):
    • Legacy chip: 1.25V to 5.5V
    • New chip: 1.2V to 5.5V
  • Output voltage range (fixed):
    • Legacy chip: 1.5V to 5V
    • New chip: 1.2V to 5V
  • High PSRR (new chip): 46dB at 1MHz
  • Output accuracy:
    • Legacy chip: 3% over load and temperature
    • New chip: 1.2% over load and temperature
  • Dropout voltage:
    • Legacy chip: 71mV (typ) at 100mA
    • New chip: 150mV (typ) at 100mA
  • Integrated fault protection:
    • Thermal shutdown
    • Overcurrent protection
  • Internal soft-start time (new chip): 750µs (typical)
  • Output capacitor for stable operation:
    • Legacy chip: ≥ 4.7µF
    • New chip: ≥ 2.2µF
  • Package: 5-pin SOT-23, RθJA = 178.6°C/W (new chip)
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: −40°C to 125°C, TA
  • Input voltage range:
    • Legacy chip: 2.7V to 10V (13.5V absolute max)
    • New chip: 2.5V to 16V (18V absolute max)
  • Output voltage range (adjustable):
    • Legacy chip: 1.25V to 5.5V
    • New chip: 1.2V to 5.5V
  • Output voltage range (fixed):
    • Legacy chip: 1.5V to 5V
    • New chip: 1.2V to 5V
  • High PSRR (new chip): 46dB at 1MHz
  • Output accuracy:
    • Legacy chip: 3% over load and temperature
    • New chip: 1.2% over load and temperature
  • Dropout voltage:
    • Legacy chip: 71mV (typ) at 100mA
    • New chip: 150mV (typ) at 100mA
  • Integrated fault protection:
    • Thermal shutdown
    • Overcurrent protection
  • Internal soft-start time (new chip): 750µs (typical)
  • Output capacitor for stable operation:
    • Legacy chip: ≥ 4.7µF
    • New chip: ≥ 2.2µF
  • Package: 5-pin SOT-23, RθJA = 178.6°C/W (new chip)

The TPS769-Q1 is a low-dropout (LDO) linear voltage regulator. This device supports an input voltage range from 2.5V to 16V (new chip) and up to 100mA of load current. For the new chip, the supported output range is from 1.2V to 5.0V (fixed version) or from 1.2V to 5.5V (adjustable version).

The wide input voltage range makes the device a good choice for operating from regulated rails (such as 10V or 12V). The voltage range is up to 16V for the new chip. This range allows the LDO to generate the bias voltage for a variety of applications. These applications include power microcontrollers (MCUs) and processors, as well as silicon carbide (SiC) gate drivers and microphones.

Wide bandwidth PSRR performance is greater than 70dB at 1kHz and 46dB at 1MHz (new chip). This performance helps attenuate the switching frequency of an upstream DC/DC converter and minimizes post regulator filtering. The new chip supports an internal soft-start circuit mechanism that reduces inrush current during start-up, thus allowing for smaller input capacitance.

The TPS769-Q1 is a low-dropout (LDO) linear voltage regulator. This device supports an input voltage range from 2.5V to 16V (new chip) and up to 100mA of load current. For the new chip, the supported output range is from 1.2V to 5.0V (fixed version) or from 1.2V to 5.5V (adjustable version).

The wide input voltage range makes the device a good choice for operating from regulated rails (such as 10V or 12V). The voltage range is up to 16V for the new chip. This range allows the LDO to generate the bias voltage for a variety of applications. These applications include power microcontrollers (MCUs) and processors, as well as silicon carbide (SiC) gate drivers and microphones.

Wide bandwidth PSRR performance is greater than 70dB at 1kHz and 46dB at 1MHz (new chip). This performance helps attenuate the switching frequency of an upstream DC/DC converter and minimizes post regulator filtering. The new chip supports an internal soft-start circuit mechanism that reduces inrush current during start-up, thus allowing for smaller input capacitance.
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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 TPS769-Q1 100mA, 16V, Low-Dropout Linear Regulator datasheet (Rev. E) PDF | HTML 2024/7/10
應用說明 LDO Noise Demystified (Rev. B) PDF | HTML 2020/8/18
應用說明 LDO PSRR Measurement Simplified (Rev. A) PDF | HTML 2017/8/9
更多文件說明 Automotive Fact Sheet--TPS Family-769* 01, 12, 15, 18, 25, 27, 28, 30, 33, 50 2002/2/27

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