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Linear- und Low-Dropout-Regler (LDO)

TPS756

AKTIV

Spannungsregler mit extrem niedrigem Dropout, 5 A, mit Aktivierung

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open-in-new Alternativen vergleichen
Selbe Funktionalität wie der verglichene Baustein bei abweichender Anschlussbelegung.
TPS7A57 AKTIV Rauscharmer Spannungsregler mit niedriger Abfallspannung (LDO), 5 A, hohe Genauigkeit Alternative product offering much lower noise performance in smaller enhanced QFN package
TPS7A54 AKTIV Ultra-Low-Dropout-Spannungsregler (LDO), 4 A, niedrige VIN (1,1 V), rauscharm, hohe Genauigkeit Lower noise and can be paralleled in order to achieve 5-A

TPS756

AKTIV
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Produktdetails

Rating Catalog Vin (max) (V) 5.5 Vin (min) (V) 2.8 Iout (max) (A) 5 Output options Adjustable Output, Fixed Output Vout (max) (V) 5 Vout (min) (V) 1.22 Fixed output options (V) 1.5, 1.8, 2.5, 3.3, 5 Noise (µVrms) 35 PSRR at 100 KHz (dB) 12 Iq (typ) (mA) 0.12 Features Enable Thermal resistance θJA (°C/W) 39 Load capacitance (min) (µF) 47 Regulated outputs (#) 1 Accuracy (%) 3 Dropout voltage (Vdo) (typ) (mV) 250 Operating temperature range (°C) -40 to 85
Rating Catalog Vin (max) (V) 5.5 Vin (min) (V) 2.8 Iout (max) (A) 5 Output options Adjustable Output, Fixed Output Vout (max) (V) 5 Vout (min) (V) 1.22 Fixed output options (V) 1.5, 1.8, 2.5, 3.3, 5 Noise (µVrms) 35 PSRR at 100 KHz (dB) 12 Iq (typ) (mA) 0.12 Features Enable Thermal resistance θJA (°C/W) 39 Load capacitance (min) (µF) 47 Regulated outputs (#) 1 Accuracy (%) 3 Dropout voltage (Vdo) (typ) (mV) 250 Operating temperature range (°C) -40 to 85
TO-263 (KTT) 5 154.8384 mm² (10.16 mm × 15.24 mm) TO-220 (KC) 5 45.212 mm² (10.16 mm × 4.45 mm)
  • 5-A Low-Dropout Voltage Regulator
  • Available in 1.5-V, 1.8-V, 2.5-V, and 3.3-V Fixed-Output and Adjustable Versions
  • Dropout Voltage Typically 250 mV at 5 A (TPS75633)
  • Low 125 µA Typical Quiescent Current
  • Fast Transient Response
  • 3% Tolerance Over Specified Conditions for Fixed-Output Versions
  • Available in 5-Pin TO–220 and TO–263 Surface-Mount Packages
  • Thermal Shutdown Protection
  • 5-A Low-Dropout Voltage Regulator
  • Available in 1.5-V, 1.8-V, 2.5-V, and 3.3-V Fixed-Output and Adjustable Versions
  • Dropout Voltage Typically 250 mV at 5 A (TPS75633)
  • Low 125 µA Typical Quiescent Current
  • Fast Transient Response
  • 3% Tolerance Over Specified Conditions for Fixed-Output Versions
  • Available in 5-Pin TO–220 and TO–263 Surface-Mount Packages
  • Thermal Shutdown Protection

The TPS756xx family of 5-A low dropout (LDO) regulators contains four fixed voltage option regulators and an adjustable voltage option regulator. These devices are capable of supplying 5 A of output current with a dropout of 250 mV (TPS75633). Therefore, the device is capable of performing a 3.3-V to 2.5-V conversion.

Quiescent current is 125 µA at full load and drops down to less than 1 µA when the device is disabled. The TPS756xx is designed to have fast transient response for large load current changes.

Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 250 mV at an output current of 5 A for the TPS75633) 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 125 µA over the full range of output current). These two key specifications yield a significant improvement in operating life for battery-powered systems.

The device is enabled when EN (enable) is connected to a high voltage level (> 2 V). Applying a low voltage level (< 0.7 V) to EN shuts down the regulator, reducing the quiescent current to less than 1 µA at TJ = 25°C.

The TPS756xx is offered in 1.5-V, 1.8-V, 2.5-V, and 3.3-V fixed-voltage versions and in an adjustable version (programmable over the range of 1.22 V to 5 V). Output voltage tolerance is specified as a maximum of 3% over line, load, and temperature ranges. The TPS756xx family is available in a 5-pin TO–220 (KC) and TO–263 (KTT) packages.

The TPS756xx family of 5-A low dropout (LDO) regulators contains four fixed voltage option regulators and an adjustable voltage option regulator. These devices are capable of supplying 5 A of output current with a dropout of 250 mV (TPS75633). Therefore, the device is capable of performing a 3.3-V to 2.5-V conversion.

Quiescent current is 125 µA at full load and drops down to less than 1 µA when the device is disabled. The TPS756xx is designed to have fast transient response for large load current changes.

Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 250 mV at an output current of 5 A for the TPS75633) 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 125 µA over the full range of output current). These two key specifications yield a significant improvement in operating life for battery-powered systems.

The device is enabled when EN (enable) is connected to a high voltage level (> 2 V). Applying a low voltage level (< 0.7 V) to EN shuts down the regulator, reducing the quiescent current to less than 1 µA at TJ = 25°C.

The TPS756xx is offered in 1.5-V, 1.8-V, 2.5-V, and 3.3-V fixed-voltage versions and in an adjustable version (programmable over the range of 1.22 V to 5 V). Output voltage tolerance is specified as a maximum of 3% over line, load, and temperature ranges. The TPS756xx family is available in a 5-pin TO–220 (KC) and TO–263 (KTT) packages.
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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt TPS756xx: Fast-Transient Response 5-A Low Dropout Voltage Regulators datasheet (Rev. C) 01.03.2004

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