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Product details

Parameters

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 Load capacitance (Min) (µF) 69 Rating Automotive 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 open-in-new Find other Linear regulators (LDO)

Package | Pins | Size

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 open-in-new Find other Linear regulators (LDO)

Features

  • 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
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Description

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) Oct. 31, 2014
Application note LDO Noise Demystified (Rev. B) Aug. 18, 2020
User guide MLTLDO2EVM-037 Evaluation Module User's Guide May 22, 2020
Technical article LDO basics: capacitor vs. capacitance Aug. 01, 2018
Technical article LDO Basics: Preventing reverse current Jul. 25, 2018
Technical article LDO basics: introduction to quiescent current Jun. 20, 2018
Application note LDO PSRR Measurement Simplified (Rev. A) Aug. 09, 2017
Technical article LDO basics: noise – part 1 Jun. 14, 2017
More literature Fundamentals of designing with LDOs in auto battery direct connect applications Feb. 27, 2017

Design & development

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

Hardware development

EVALUATION BOARD Download
document-generic User guide
29
Description

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 (...)

Features
  • Supports most LDO linear regulators in
    • DDA package
    • 3-pin and 5-pin KVU package
    • DCY package

Design tools & simulation

SIMULATION MODEL Download
SGLM025.ZIP (86 KB) - PSpice Model
SIMULATION MODEL Download
SGLM026.ZIP (2 KB) - PSpice Model

CAD/CAE symbols

Package Pins Download
DDPAK/TO-263 (KTT) 3 View options
HTSSOP (PWP) 20 View options
TO-252 (KVU) 3 View options

Ordering & quality

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  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

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