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

TPPM0303

AKTIV

250-mA-Spannungsregler mit niedrigem Dropout

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Selbe Funktionalität wie der verglichene Baustein bei abweichender Anschlussbelegung
TLV773 AKTIV Low-Dropout-Spannungsregler, hohes PSRR, 300 mA, niedriger Ruhestrom mit Aktivierung Smaller package with smaller dropout and tighter accuracy

TPPM0303

AKTIV
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Produktdetails

Output options Fixed Output Iout (max) (A) 0.25 Vin (max) (V) 5.5 Vin (min) (V) 4.5 Vout (max) (V) 3.3 Vout (min) (V) 3.3 Fixed output options (V) 3.3 Rating Catalog Iq (typ) (mA) 2.5 Thermal resistance θJA (°C/W) 98 Load capacitance (min) (µF) 4.7 Regulated outputs (#) 1 Accuracy (%) 5 Dropout voltage (Vdo) (typ) (mV) 1000 Operating temperature range (°C) 0 to 70
Output options Fixed Output Iout (max) (A) 0.25 Vin (max) (V) 5.5 Vin (min) (V) 4.5 Vout (max) (V) 3.3 Vout (min) (V) 3.3 Fixed output options (V) 3.3 Rating Catalog Iq (typ) (mA) 2.5 Thermal resistance θJA (°C/W) 98 Load capacitance (min) (µF) 4.7 Regulated outputs (#) 1 Accuracy (%) 5 Dropout voltage (Vdo) (typ) (mV) 1000 Operating temperature range (°C) 0 to 70
SOIC (D) 8 29.4 mm² 4.9 x 6
  • Automatic Input Voltage Source Selection
  • Glitch-Free Regulated Output
  • 5-V Input Voltage Source Detector With Hysteresis
  • 250-mA Load Current Capability With 5-V or 3.3-V Input Source
  • Low rDS(on) Auxiliary Switch
  • Automatic Input Voltage Source Selection
  • Glitch-Free Regulated Output
  • 5-V Input Voltage Source Detector With Hysteresis
  • 250-mA Load Current Capability With 5-V or 3.3-V Input Source
  • Low rDS(on) Auxiliary Switch

The TPPM0303 is a low-dropout regulator with auxiliary power management that provides a constant 3.3-V supply at the output capable of driving a 250-mA load.

The TPPM0303 provides a regulated power output for systems that have multiple input sources and require a constant voltage source with a low-dropout voltage. This is a single output, multiple input, intelligent power source selection device with a low-dropout regulator for either 5VCC or 5VAUX inputs, and a low-resistance bypass switch for the 3.3VAUX input.

Transitions may occur from one input supply to another without generating a glitch outside of the specification range on the 3.3-V output. The device has an incorporated reverse-blocking scheme to prevent excess leakage from the input terminals in the event that the output voltage is greater than the input voltage.

The input voltage is prioritized in the following order: 5VCC, 5VAUX, and 3.3VAUX.

The TPPM0303 is a low-dropout regulator with auxiliary power management that provides a constant 3.3-V supply at the output capable of driving a 250-mA load.

The TPPM0303 provides a regulated power output for systems that have multiple input sources and require a constant voltage source with a low-dropout voltage. This is a single output, multiple input, intelligent power source selection device with a low-dropout regulator for either 5VCC or 5VAUX inputs, and a low-resistance bypass switch for the 3.3VAUX input.

Transitions may occur from one input supply to another without generating a glitch outside of the specification range on the 3.3-V output. The device has an incorporated reverse-blocking scheme to prevent excess leakage from the input terminals in the event that the output voltage is greater than the input voltage.

The input voltage is prioritized in the following order: 5VCC, 5VAUX, and 3.3VAUX.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet 250-mA Low-Dropout Regulator with Auxiliary Power Management datasheet 12 Feb 2001

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