Product details

Output options Fixed Output Iout (Max) (A) 0.45 Vin (Max) (V) 42 Vin (Min) (V) 5.5 Vout (Max) (V) 5 Vout (Min) (V) 5 Fixed output options (V) 5 Iq (Typ) (mA) 12 Thermal resistance θJA (°C/W) 34 Rating Automotive Load capacitance (Min) (µF) 69 Regulated outputs (#) 1 Features Reverse Voltage Protection Accuracy (%) 2.5 PSRR @ 100 KHz (dB) 20 Dropout voltage (Vdo) (Typ) (mV) 250 Operating temperature range (C) -40 to 125
Output options Fixed Output Iout (Max) (A) 0.45 Vin (Max) (V) 42 Vin (Min) (V) 5.5 Vout (Max) (V) 5 Vout (Min) (V) 5 Fixed output options (V) 5 Iq (Typ) (mA) 12 Thermal resistance θJA (°C/W) 34 Rating Automotive Load capacitance (Min) (µF) 69 Regulated outputs (#) 1 Features Reverse Voltage Protection Accuracy (%) 2.5 PSRR @ 100 KHz (dB) 20 Dropout voltage (Vdo) (Typ) (mV) 250 Operating temperature range (C) -40 to 125
HTSSOP (PWP) 20 42 mm² 6.5 x 6.4 TO-252 (KVU) 3 67 mm² 6.6 x 10.11 TO-263 (KTT) 3 155 mm² 10.16 x 15.24
  • Qualified for Automotive Applications
  • Output Voltage of 5 V ±2%
  • Very Low Current Consumption
  • Very Low Dropout Voltage
  • Short-Circuit Protection
  • Reverse-Polarity Protection
  • ESD Protection > 6 kV
  • Qualified for Automotive Applications
  • Output Voltage of 5 V ±2%
  • Very Low Current Consumption
  • Very Low Dropout Voltage
  • Short-Circuit Protection
  • Reverse-Polarity Protection
  • ESD Protection > 6 kV

The TL720M05-Q1 devices are monolithic integrated low-dropout voltage regulators offered in 3-pin TO packages. They regulate an input voltage up to 45 V to VOUT of 5 V with 2% tolerance. The devices can drive loads up to 450 mA and are short-circuit proof. At overtemperature, the incorporated temperature protection turns off the TL720M05-Q1 devices.

The input capacitor (CIN) compensates for line fluctuation. Using a resistor of approximately 1 Ω in series with CIN dampens the oscillation of input inductivity and input capacitance. The output capacitor (COUT) stabilizes the regulation circuit. Output is stable at COUT ≥ 22 µF and ESR ≤ 5 Ω, within the operating temperature range.

The control amplifier compares a reference voltage to a voltage that is proportional to the output voltage and drives the base of the series transistor through a buffer. Saturation control as a function of the load current prevents any oversaturation of the power element. The device also incorporates a number of internal circuits for protection against:

  • Overload
  • Overtemperature
  • Reverse polarity

The TL720M05-Q1 devices are monolithic integrated low-dropout voltage regulators offered in 3-pin TO packages. They regulate an input voltage up to 45 V to VOUT of 5 V with 2% tolerance. The devices can drive loads up to 450 mA and are short-circuit proof. At overtemperature, the incorporated temperature protection turns off the TL720M05-Q1 devices.

The input capacitor (CIN) compensates for line fluctuation. Using a resistor of approximately 1 Ω in series with CIN dampens the oscillation of input inductivity and input capacitance. The output capacitor (COUT) stabilizes the regulation circuit. Output is stable at COUT ≥ 22 µF and ESR ≤ 5 Ω, within the operating temperature range.

The control amplifier compares a reference voltage to a voltage that is proportional to the output voltage and drives the base of the series transistor through a buffer. Saturation control as a function of the load current prevents any oversaturation of the power element. The device also incorporates a number of internal circuits for protection against:

  • Overload
  • Overtemperature
  • Reverse polarity

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Technical documentation

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Type Title Date
* Data sheet TL720M05-Q1 Low-Dropout Voltage Regulator datasheet (Rev. H) 31 Oct 2014
Technical article 3 quiescent-current (Iq) specifications you need to understand 12 Nov 2021
Application note LDO Noise Demystified (Rev. B) 18 Aug 2020
User guide MLTLDO2EVM-037 Evaluation Module User's Guide 22 May 2020
Application note LDO PSRR Measurement Simplified (Rev. A) 09 Aug 2017
More literature Fundamentals of designing with LDOs in auto battery direct connect applications 27 Feb 2017

Design & development

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Evaluation board

MLTLDO2EVM-037 — Universal LDO linear voltage regulator evaluation module for DCY, DDA and KVU packages

The MLTLDO2EVM-037 multipackage low-dropout (LDO) evaluation module (EVM) allows design engineers to evaluate the operation and performance of several common packages of linear regulators for possible use in their own circuit application. This EVM configuration contains a DDA, 3-pin and 5-pin KVU, (...)

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Simulation model

TL720M05-Q1 PSpice Transient Model

SGLM025.ZIP (86 KB) - PSpice Model
Simulation model

TL720M05-Q1 Unencrypted PSpice Transient Model

SGLM026.ZIP (2 KB) - PSpice Model
Package Pins Download
DDPAK/TO-263 (KTT) 3 View options
HTSSOP (PWP) 20 View options
TO-252 (KVU) 3 View options

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