Startseite Energiemanagement Linear- und Low-Dropout-Regler (LDO)
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Linear- und Low-Dropout-Regler (LDO)

TPS76833-EP

AKTIV

Verbessertes Produkt – 1-A-Low-Dropout-Spannungsregler mit schnellem Einschwingverhalten

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TLV767 AKTIV Linearer (LDO) Spannungsregler, 1 V, 16 A mit einstellbarer und fester Ausgangsspannung Alternative product with wider input voltage, better accuracy and better PSRR

TPS76833-EP

AKTIV
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Produktdetails

Output options Fixed Output Iout (max) (A) 1 Vin (max) (V) 10 Vin (min) (V) 2.7 Vout (max) (V) 3.3 Vout (min) (V) 3.3 Fixed output options (V) 3.3 Noise (µVrms) 55 Iq (typ) (mA) 0.08 Thermal resistance θJA (°C/W) 57.9 Rating HiRel Enhanced Product Load capacitance (min) (µF) 10 Regulated outputs (#) 1 Features Enable, Power good Accuracy (%) 2 PSRR at 100 KHz (dB) 29 Dropout voltage (Vdo) (typ) (mV) 350 Operating temperature range (°C) -40 to 125
Output options Fixed Output Iout (max) (A) 1 Vin (max) (V) 10 Vin (min) (V) 2.7 Vout (max) (V) 3.3 Vout (min) (V) 3.3 Fixed output options (V) 3.3 Noise (µVrms) 55 Iq (typ) (mA) 0.08 Thermal resistance θJA (°C/W) 57.9 Rating HiRel Enhanced Product Load capacitance (min) (µF) 10 Regulated outputs (#) 1 Features Enable, Power good Accuracy (%) 2 PSRR at 100 KHz (dB) 29 Dropout voltage (Vdo) (typ) (mV) 350 Operating temperature range (°C) -40 to 125
HTSSOP (PWP) 20 41.6 mm² 6.5 x 6.4
  • 1-A Low-Dropout Voltage Regulator
  • Available in 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V,
    3.0-V, 3.3-V, 5.0-V Fixed Output and Adjustable Versions
  • Dropout Voltage Down to 230 mV at 1 A
    (TPS76850)
  • Ultralow 85-µA Typical Quiescent Current
  • Fast Transient Response
  • 2% Tolerance Over Specified Conditions for
    Fixed-Output Versions
  • Open Drain Power Good (See TPS767xx for
    Power-On Reset With 200-ms Delay Option)
  • 20-Pin TSSOP (PWP) PowerPAD™ Package
  • Thermal Shutdown Protection
  • SUPPORTS DEFENSE, AEROSPACE AND MEDICAL APPLICATION
    • Controlled Baseline
    • One Assembly/Test Site
    • One Fabrication Site
    • Available in Military (–55°C/125°C)
      Temperature Range
    • Extended Product LIfe Cycle
    • Extended Product-Change Notification
    • Product Traceability

Additional temperature ranges are available - contact factory.
PowerPAD is a trademark of Texas Instruments.
  • 1-A Low-Dropout Voltage Regulator
  • Available in 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V,
    3.0-V, 3.3-V, 5.0-V Fixed Output and Adjustable Versions
  • Dropout Voltage Down to 230 mV at 1 A
    (TPS76850)
  • Ultralow 85-µA Typical Quiescent Current
  • Fast Transient Response
  • 2% Tolerance Over Specified Conditions for
    Fixed-Output Versions
  • Open Drain Power Good (See TPS767xx for
    Power-On Reset With 200-ms Delay Option)
  • 20-Pin TSSOP (PWP) PowerPAD™ Package
  • Thermal Shutdown Protection
  • SUPPORTS DEFENSE, AEROSPACE AND MEDICAL APPLICATION
    • Controlled Baseline
    • One Assembly/Test Site
    • One Fabrication Site
    • Available in Military (–55°C/125°C)
      Temperature Range
    • Extended Product LIfe Cycle
    • Extended Product-Change Notification
    • Product Traceability

Additional temperature ranges are available - contact factory.
PowerPAD is a trademark of Texas Instruments.

This device is designed to have a fast transient response and be stable with 10-µF low ESR capacitors. This combination provides high performance at a reasonable cost.

Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 230 mV at an output current of 1 A for the TPS76850) and is directly proportional to the output current. Additionally, since the PMOS pass element is a voltage-driven device, the quiescent current is very low and independent of output loading (typically 85 µA over the full range of output current, 0 mA to 1 A). These two key specifications yield a significant improvement in operating life for battery-powered systems. This LDO family also features a sleep mode; applying a TTL high signal to EN (enable) shuts down the regulator, reducing the quiescent current to less than 1 µA at TJ = 25°C.

Power good (PG) is an active high output, which can be used to implement a power-on reset or a low-battery indicator.

The TPS768xx is offered in 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V, 3.0-V, 3.3-V, and 5.0-V fixed-voltage versions and in an adjustable version (programmable over the range of 1.2 V to 5.5 V). Output voltage tolerance is specified as a maximum of 2% over line, load, and temperature ranges. The TPS768xx family is available in a 20-pin PWP package.

This device is designed to have a fast transient response and be stable with 10-µF low ESR capacitors. This combination provides high performance at a reasonable cost.

Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 230 mV at an output current of 1 A for the TPS76850) and is directly proportional to the output current. Additionally, since the PMOS pass element is a voltage-driven device, the quiescent current is very low and independent of output loading (typically 85 µA over the full range of output current, 0 mA to 1 A). These two key specifications yield a significant improvement in operating life for battery-powered systems. This LDO family also features a sleep mode; applying a TTL high signal to EN (enable) shuts down the regulator, reducing the quiescent current to less than 1 µA at TJ = 25°C.

Power good (PG) is an active high output, which can be used to implement a power-on reset or a low-battery indicator.

The TPS768xx is offered in 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V, 3.0-V, 3.3-V, and 5.0-V fixed-voltage versions and in an adjustable version (programmable over the range of 1.2 V to 5.5 V). Output voltage tolerance is specified as a maximum of 2% over line, load, and temperature ranges. The TPS768xx family is available in a 20-pin PWP package.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet TPS768xx-EP: Fast-Transient-Response 1-A Low-Dropout Voltage Regulators datasheet (Rev. B) 15 Dez 2008
Application note LDO Noise Demystified (Rev. B) PDF | HTML 18 Aug 2020
Application note PowerPAD™ Thermally Enhanced Package (Rev. H) 06 Jul 2018
Application note LDO PSRR Measurement Simplified (Rev. A) PDF | HTML 09 Aug 2017

Design und Entwicklung

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