Product details

Output options Adjustable Output, Fixed Output Iout (Max) (A) 0.05 Vin (Max) (V) 24 Vin (Min) (V) 2.5 Vout (Max) (V) 15 Vout (Min) (V) 1.2 Fixed output options (V) 2.5, 3, 3.3, 5 Noise (uVrms) 575 Iq (Typ) (mA) 0.003 Thermal resistance θJA (°C/W) 261 TI functional safety category Functional Safety-Capable Rating Automotive Load capacitance (Min) (µF) 0.47 Regulated outputs (#) 1 Features Accuracy (%) 4 PSRR @ 100 KHz (dB) 42 Dropout voltage (Vdo) (Typ) (mV) 415 Operating temperature range (C) -40 to 125
Output options Adjustable Output, Fixed Output Iout (Max) (A) 0.05 Vin (Max) (V) 24 Vin (Min) (V) 2.5 Vout (Max) (V) 15 Vout (Min) (V) 1.2 Fixed output options (V) 2.5, 3, 3.3, 5 Noise (uVrms) 575 Iq (Typ) (mA) 0.003 Thermal resistance θJA (°C/W) 261 TI functional safety category Functional Safety-Capable Rating Automotive Load capacitance (Min) (µF) 0.47 Regulated outputs (#) 1 Features Accuracy (%) 4 PSRR @ 100 KHz (dB) 42 Dropout voltage (Vdo) (Typ) (mV) 415 Operating temperature range (C) -40 to 125
SOT-SC70 (DCK) 5 4 mm² 2 x 2.1
  • Qualified for Automotive Applications
    • Automotive Grade 1 (Q-temperature Range)
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C4B
  • 24-V Maximum Input Voltage
  • Low 3.2-µA Quiescent Current at 50 mA
  • Stable With Any Capacitor (> 0.47 µF)
  • 50-mA Low-Dropout Regulator
  • Available in 2.5 V, 3 V, 3.3 V, 5 V, and
    Adjustable (1.2 V to 15 V)
  • Minimum and Maximum Specified Current Limit
  • 5-Pin SC70 and SOT (DCK) Package
  • –40°C to 125°C Specified Junction
    Temperature Range
  • Qualified for Automotive Applications
    • Automotive Grade 1 (Q-temperature Range)
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C4B
  • 24-V Maximum Input Voltage
  • Low 3.2-µA Quiescent Current at 50 mA
  • Stable With Any Capacitor (> 0.47 µF)
  • 50-mA Low-Dropout Regulator
  • Available in 2.5 V, 3 V, 3.3 V, 5 V, and
    Adjustable (1.2 V to 15 V)
  • Minimum and Maximum Specified Current Limit
  • 5-Pin SC70 and SOT (DCK) Package
  • –40°C to 125°C Specified Junction
    Temperature Range

The TPS715xx-Q1 low-dropout (LDO) voltage regulators offer the benefits of high input voltage, LDO voltage, low-power operation, and miniaturized packaging. The devices, which operate over an input range of 2.5 V to 24 V, are stable with any capacitor (>0.47 µF). The LDO voltage and low quiescent current allow operations at extremely low power levels. Therefore, the devices are ideal for powering battery-management ICs. Specifically, since the devices are enabled as soon as the applied voltage reaches the minimum input voltage, the output is quickly available to power continuously operating battery-charging ICs.

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 LDO voltage, typically 415 mV at 50 mA of load current, is directly proportional to the load current. The low quiescent current (3.2  μA typical) is stable over the entire range of output load current (0 mA to 50 mA).

For all available packages, see the orderable addendum at the end of the data sheet.Contact Texas Instruments for other voltage options between 1.25 V and 5.85 V.

The TPS715xx-Q1 low-dropout (LDO) voltage regulators offer the benefits of high input voltage, LDO voltage, low-power operation, and miniaturized packaging. The devices, which operate over an input range of 2.5 V to 24 V, are stable with any capacitor (>0.47 µF). The LDO voltage and low quiescent current allow operations at extremely low power levels. Therefore, the devices are ideal for powering battery-management ICs. Specifically, since the devices are enabled as soon as the applied voltage reaches the minimum input voltage, the output is quickly available to power continuously operating battery-charging ICs.

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 LDO voltage, typically 415 mV at 50 mA of load current, is directly proportional to the load current. The low quiescent current (3.2  μA typical) is stable over the entire range of output load current (0 mA to 50 mA).

For all available packages, see the orderable addendum at the end of the data sheet.Contact Texas Instruments for other voltage options between 1.25 V and 5.85 V.

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Technical documentation

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Type Title Date
* Data sheet TPS715xx-Q1 50-mA, 24-V, 3.2-μA SupplyCurrentLow-Dropout Linear Regulators in SC70 Package datasheet (Rev. H) 31 Dec 2015
Technical article 3 quiescent-current (Iq) specifications you need to understand 12 Nov 2021
Application note LDO Noise Demystified (Rev. B) 18 Aug 2020
Functional safety information TPS715-Q1 Functional Safety FIT Rate and FMD 09 Jun 2020
Application note LDO PSRR Measurement Simplified (Rev. A) 09 Aug 2017

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TPS71533EVM — TPS71533 Evaluation Module

The purpose of this EVM is to facilitate evaluation of the TPS715xx family of LDO regulators. Each EVM PCB contains a TPS71533 low dropout linear regulator as well as supporting passive components. Also, the board's small size and side clips facilitate attaching it to other PCBs as a power module.

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Simulation model

TPS71533 PSpice Transient Model (Rev. A)

SLVM450A.ZIP (23 KB) - PSpice Model
Simulation model

TPS71525 PSpice Transient Model

SLVM926.ZIP (21 KB) - PSpice Model
Simulation model

TPS71550 PSpice Transient Model (Rev. A)

SLVM927A.ZIP (82 KB) - PSpice Model
Simulation model

TPS71501 PSpice Transient Model

SLVM928.ZIP (21 KB) - PSpice Model
Simulation model

TPS71530 PSpice Transient Model

SLVM931.ZIP (21 KB) - PSpice Model
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SC70 (DCK) 5 View options

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