TPS788

ACTIVE

150-mA, 10-V, low-IQ, low-dropout voltage regulator with enable

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TLV767 ACTIVE Adjustable- and fixed-output, 1-A, 16-V, positive-voltage low-dropout (LDO) linear regulator Alternative product with higher PSRR and better thermals in a 2x2 WSON and 3x3 MSOP-8 package
TPS7A24 ACTIVE 200-mA, 18-V, ultra-low-IQ, low-dropout (LDO) voltage regulator with enable Alternative product offering ultra-low IQ and improved accuracy in a SOT-23-5 package

Product details

Output options Fixed Output Iout (max) (A) 0.15 Vin (max) (V) 10 Vin (min) (V) 2.7 Vout (max) (V) 3.3 Vout (min) (V) 2.5 Fixed output options (V) 2.5, 3.3 Noise (µVrms) 56 Iq (typ) (mA) 0.017 Thermal resistance θJA (°C/W) 180 Rating Catalog Load capacitance (min) (µF) 4.7 Regulated outputs (#) 1 Features Enable, Soft start Accuracy (%) 3 PSRR at 100 KHz (dB) 25 Dropout voltage (Vdo) (typ) (mV) 150 Operating temperature range (°C) 0 to 70
Output options Fixed Output Iout (max) (A) 0.15 Vin (max) (V) 10 Vin (min) (V) 2.7 Vout (max) (V) 3.3 Vout (min) (V) 2.5 Fixed output options (V) 2.5, 3.3 Noise (µVrms) 56 Iq (typ) (mA) 0.017 Thermal resistance θJA (°C/W) 180 Rating Catalog Load capacitance (min) (µF) 4.7 Regulated outputs (#) 1 Features Enable, Soft start Accuracy (%) 3 PSRR at 100 KHz (dB) 25 Dropout voltage (Vdo) (typ) (mV) 150 Operating temperature range (°C) 0 to 70
SOT-23 (DBV) 5 8.12 mm² 2.9 x 2.8
  • 150-mA Low-Dropout Regulator
  • Available in 2.5 V, 3.3 V
  • Programmable Slew Rate Control
  • Output Noise Typically 56 uV RMS
  • Only 17 uA Quiescent Current at 150 mA
  • 1 uA Quiescent Current in Standby Mode
  • Dropout Voltage Typically 150 mV at 150 mA (TPS78833)
  • Over Current Limitation
  • -40°C to 125°C Operating Junction Temperature Range
  • 5-Pin SOT-23 (DBV) Package

  • 150-mA Low-Dropout Regulator
  • Available in 2.5 V, 3.3 V
  • Programmable Slew Rate Control
  • Output Noise Typically 56 uV RMS
  • Only 17 uA Quiescent Current at 150 mA
  • 1 uA Quiescent Current in Standby Mode
  • Dropout Voltage Typically 150 mV at 150 mA (TPS78833)
  • Over Current Limitation
  • -40°C to 125°C Operating Junction Temperature Range
  • 5-Pin SOT-23 (DBV) Package

The TPS78825 and TPS78833 are very small (SOT-23) package, low-noise LDOs that regulate the output voltage to 2.5 V and 3.3 V with input voltage ranging from 2.7 V to an absolute maximum of 13.5 V. These devices output 150 mA with a peak current of 350 mA (typ). The TPS788xx family uses the SR pin to program the output voltage slew rate to control the in-rush current. This is specifically used in the USB application where large load capacitance is present at start-up. The TPS788xx devices use only 17 uA of quiescent current and exhibit only 56 uV RMS of output voltage noise using a 10 uF output capacitor.

The usual PNP pass transistor has been replaced by a PMOS pass element. Because the PMOS pass element behaves as a low-value resistor, the dropout voltage is very low, typically 150 mV at 150 mA of load current, and is directly proportional to the load current.

The TPS788xx also features a logic-enabled sleep mode to shut down the regulator, reducing quiescent current to 1 uA typical at TJ = 25°C.

The TPS78825 and TPS78833 are very small (SOT-23) package, low-noise LDOs that regulate the output voltage to 2.5 V and 3.3 V with input voltage ranging from 2.7 V to an absolute maximum of 13.5 V. These devices output 150 mA with a peak current of 350 mA (typ). The TPS788xx family uses the SR pin to program the output voltage slew rate to control the in-rush current. This is specifically used in the USB application where large load capacitance is present at start-up. The TPS788xx devices use only 17 uA of quiescent current and exhibit only 56 uV RMS of output voltage noise using a 10 uF output capacitor.

The usual PNP pass transistor has been replaced by a PMOS pass element. Because the PMOS pass element behaves as a low-value resistor, the dropout voltage is very low, typically 150 mV at 150 mA of load current, and is directly proportional to the load current.

The TPS788xx also features a logic-enabled sleep mode to shut down the regulator, reducing quiescent current to 1 uA typical at TJ = 25°C.

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Technical documentation

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* Data sheet 150-mA Low-Noise LDO with In-Rush Current Control for USB Application datasheet (Rev. A) 25 Jul 2001

Design & development

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Evaluation board

DEM-SOT23LDO — DEM-SOT23LDO Compatible With Most Positive-Output LDO Regulators in 5- or 6-Lead SOT23 (DBV) Package

User guide: PDF
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Package Pins Download
SOT-23 (DBV) 5 View options

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