Product details

Output options Adjustable Output, Fixed Output Iout (Max) (A) 1 Vin (Max) (V) 5.5 Vin (Min) (V) 2.7 Vout (Max) (V) 5.4 Vout (Min) (V) 1.2 Fixed output options (V) 1.3, 1.8, 2.5, 2.8, 3, 3.3, 5 Noise (uVrms) 42 Iq (Typ) (mA) 0.26 Thermal resistance θJA (°C/W) 25 Rating Catalog Load capacitance (Min) (µF) 1 Regulated outputs (#) 1 Features Enable Accuracy (%) 2 PSRR @ 100 KHz (dB) 42 Dropout voltage (Vdo) (Typ) (mV) 220 Operating temperature range (C) -40 to 125, -40 to 85
Output options Adjustable Output, Fixed Output Iout (Max) (A) 1 Vin (Max) (V) 5.5 Vin (Min) (V) 2.7 Vout (Max) (V) 5.4 Vout (Min) (V) 1.2 Fixed output options (V) 1.3, 1.8, 2.5, 2.8, 3, 3.3, 5 Noise (uVrms) 42 Iq (Typ) (mA) 0.26 Thermal resistance θJA (°C/W) 25 Rating Catalog Load capacitance (Min) (µF) 1 Regulated outputs (#) 1 Features Enable Accuracy (%) 2 PSRR @ 100 KHz (dB) 42 Dropout voltage (Vdo) (Typ) (mV) 220 Operating temperature range (C) -40 to 125, -40 to 85
SOT-223 (DCQ) 6 23 mm² 6.5 x 3.5 TO-263 (KTT) 5 155 mm² 10.16 x 15.24 VSON (DRB) 8 9 mm² 3.0 x 3.0
  • 1-A Low-Dropout Regulator With Enable
  • Available in Fixed and Adjustable (1.2 V to 5.5 V)
    Versions
  • High PSRR (53 dB at 10 kHz)
  • Ultralow-Noise (40 µVRMS, TPS79630)
  • Fast Start-Up Time (50 µs)
  • Stable With a 1-µF Ceramic Capacitor
  • Excellent Load and Line Transient Response
  • Very Low Dropout Voltage (250 mV at Full Load,
    TPS79630)
  • 3 × 3 VSON PowerPAD™, SOT223-6, and
    TO-263 Packages
  • 1-A Low-Dropout Regulator With Enable
  • Available in Fixed and Adjustable (1.2 V to 5.5 V)
    Versions
  • High PSRR (53 dB at 10 kHz)
  • Ultralow-Noise (40 µVRMS, TPS79630)
  • Fast Start-Up Time (50 µs)
  • Stable With a 1-µF Ceramic Capacitor
  • Excellent Load and Line Transient Response
  • Very Low Dropout Voltage (250 mV at Full Load,
    TPS79630)
  • 3 × 3 VSON PowerPAD™, SOT223-6, and
    TO-263 Packages

The TPS796 family of low-dropout (LDO) low-power linear voltage regulators features high power-supply rejection ratio (PSRR), ultralow-noise, fast start-up, and excellent line and load transient responses in small outline, 3 × 3 VSON, SOT223-6, and TO-263 packages. Each device in the family is stable with a small, 1-µF ceramic capacitor on the output. The family uses an advanced, proprietary BiCMOS fabrication process to yield extremely low dropout voltages (for example, 250 mV at 1 A). Each 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 TPS79630 exhibits approximately 40 µVRMS of output voltage noise at 3.0-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, low noise features, and need fast response time.

The TPS796 family of low-dropout (LDO) low-power linear voltage regulators features high power-supply rejection ratio (PSRR), ultralow-noise, fast start-up, and excellent line and load transient responses in small outline, 3 × 3 VSON, SOT223-6, and TO-263 packages. Each device in the family is stable with a small, 1-µF ceramic capacitor on the output. The family uses an advanced, proprietary BiCMOS fabrication process to yield extremely low dropout voltages (for example, 250 mV at 1 A). Each 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 TPS79630 exhibits approximately 40 µVRMS of output voltage noise at 3.0-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, low noise features, and need fast response time.

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Technical documentation

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Type Title Date
* Data sheet TPS796xx Ultralow-Noise, High PSRR, Fast, RF, 1-A Low-Dropout Linear Regulators datasheet (Rev. P) PDF | HTML 11 Aug 2014
Design guide Automated Parking System Reference Design Using 77-GHz mmWave Sensor 24 Jan 2019
More literature Журнал по применению аналоговых компонентов 1 кв. 2010 23 Sep 2010
Application note Monotonic, Inrush Current Limited Start-Up for Linear Regulators 22 Mar 2004
User guide DEM-TO263LDO Demonstration Fixture 15 Oct 2003

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Simulation model

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SLVM967A.ZIP (75 KB) - PSpice Model
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TPS79613 PSpice Transient Model (Rev. A)

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