TLV75512PDBVR
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Texas Instruments TLV75512PDBVR

Manufacturer No:
TLV75512PDBVR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC REG LINEAR 1.2V 500MA SOT23-5
Delivery:
Payment:
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Product Introduction

Overview

The TLV755P is an ultra-small, low quiescent current, low-dropout regulator (LDO) designed by Texas Instruments. This regulator is optimized for a wide variety of applications, supporting an input voltage range from 1.45V to 5.5V and delivering up to 500mA of output current. It is particularly suited for modern microcontrollers (MCUs) with lower core voltages, offering fixed output voltages ranging from 0.6V to 5V. The device features a low quiescent current (IQ) of 25μA (typical), low dropout voltage, and excellent line and load transient performance. Additionally, it includes internal soft-start, thermal shutdown, current limit, and undervoltage lockout (UVLO) for robust operation.

Key Specifications

Parameter Min Typ Max Unit
Input Voltage Range 1.45 5.5 V
Output Voltage Range 0.6 5 V
Output Current 500 mA
Quiescent Current (IQ) 25 μA
Dropout Voltage (VDO) 238 1080 mV
Power Supply Rejection Ratio (PSRR) 46 52 dB
Output Noise Voltage 71.5 μVRMS
Undervoltage Lockout (VUVLO) 1.21 1.3 1.44 V
Thermal Shutdown Temperature 165 °C
Operating Junction Temperature -40 125 °C

Key Features

  • Low Quiescent Current: Typical IQ of 25μA to minimize standby power.
  • Low Dropout Voltage: VDO as low as 238mV to ensure efficient voltage regulation.
  • Internal Soft-Start: Reduces inrush current and provides a controlled voltage to the load during startup.
  • Enable Functionality: Active high enable pin allows for shutdown and quick discharge of the output.
  • Thermal Shutdown and Current Limit: Protects against overload conditions and excessive power dissipation.
  • Undervoltage Lockout (UVLO): Ensures the device does not operate below the minimum input voltage required for stable operation.
  • Stability with Small Ceramic Output Capacitors: Allows for a compact solution size.
  • Precision Band-Gap and Error Amplifier: Provides a typical output voltage accuracy of 1%.

Applications

  • Modern Microcontrollers (MCUs): Supports lower core voltages with fixed output voltages ranging from 0.6V to 5V.
  • Camera Modules and Image Sensors: Suitable for applications requiring low noise and high stability.
  • Grid Infrastructure and Protection Relays: Reliable operation in various industrial and grid-related applications.
  • General Power Supply Applications: Ideal for any system requiring a compact, low-power LDO regulator.

Q & A

  1. What is the input voltage range of the TLV755P?

    The input voltage range is from 1.45V to 5.5V.

  2. What is the maximum output current of the TLV755P?

    The maximum output current is 500mA.

  3. What is the typical quiescent current (IQ) of the TLV755P?

    The typical IQ is 25μA.

  4. Does the TLV755P have thermal shutdown protection?

    Yes, it has thermal shutdown protection that activates at 165°C and resets at 155°C.

  5. What is the purpose of the enable (EN) pin on the TLV755P?

    The EN pin is used to enable or disable the regulator. It is active high, meaning the device is enabled when the EN pin voltage exceeds VHI and disabled when it falls below VLO.

  6. How does the undervoltage lockout (UVLO) feature work?

    The UVLO feature disables the output until the input voltage is greater than the rising UVLO voltage (VUVLO), ensuring the device does not operate below the minimum required input voltage.

  7. What types of packages are available for the TLV755P?

    The TLV755P is available in WSON, X2SON, and SOT23-5 packages, including a thermally enhanced SOT23-5 package with an exposed thermal pad.

  8. What is the power supply rejection ratio (PSRR) of the TLV755P?

    The PSRR is typically 52 dB at 1 kHz and 46 dB at 100 kHz.

  9. How does the internal foldback current limit work?

    The internal foldback current limit reduces the output current as the output voltage approaches ground during a short-circuit event, helping to reduce thermal dissipation.

  10. Is the TLV755P stable with small ceramic output capacitors?

    Yes, the TLV755P is stable with small ceramic output capacitors, allowing for a compact solution size.

Product Attributes

Output Configuration:Positive
Output Type:Fixed
Number of Regulators:1
Voltage - Input (Max):5.5V
Voltage - Output (Min/Fixed):1.2V
Voltage - Output (Max):- 
Voltage Dropout (Max):0.665V @ 500mA
Current - Output:500mA
Current - Quiescent (Iq):31 µA
Current - Supply (Max):- 
PSRR:52dB (1kHz ~ 1MHz)
Control Features:Enable
Protection Features:Over Current, Over Temperature
Operating Temperature:-40°C ~ 125°C (TJ)
Mounting Type:Surface Mount
Package / Case:SC-74A, SOT-753
Supplier Device Package:SOT-23-5
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Similar Products

Part Number TLV75512PDBVR TLV75712PDBVR TLV75515PDBVR TLV75518PDBVR TLV75512PDRVR TLV75519PDBVR TLV75510PDBVR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active Active Active Active
Output Configuration Positive Positive Positive Positive Positive Positive Positive
Output Type Fixed Fixed Fixed Fixed Fixed Fixed Fixed
Number of Regulators 1 1 1 1 1 1 1
Voltage - Input (Max) 5.5V 5.5V 5.5V 5.5V 5.5V 5.5V 5.5V
Voltage - Output (Min/Fixed) 1.2V 1.2V 1.5V 1.8V 1.2V 1.9V 1V
Voltage - Output (Max) - - - - - - -
Voltage Dropout (Max) 0.665V @ 500mA 1.1V @ 1A 0.425V @ 500mA 0.4V @ 500mA 0.665V @ 500mA 0.4V @ 500mA 0.825V @ 500mA
Current - Output 500mA 1A 500mA 500mA 500mA 500mA 500mA
Current - Quiescent (Iq) 31 µA - 31 µA 31 µA 31 µA 31 µA 31 µA
Current - Supply (Max) - 40 µA - - - - -
PSRR 52dB (1kHz ~ 1MHz) 52dB (1kHz ~ 1MHz) 52dB (1kHz ~ 1MHz) 52dB (1kHz ~ 1MHz) 52dB (1kHz ~ 1MHz) 52dB (1kHz ~ 1MHz) 52dB (1kHz ~ 1MHz)
Control Features Enable Enable Enable Enable Enable Enable Enable
Protection Features Over Current, Over Temperature Current Limit, Thermal Shutdown, UVLO Over Current, Over Temperature Over Current, Over Temperature Over Current, Over Temperature Over Current, Over Temperature Over Current, Over Temperature
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case SC-74A, SOT-753 SC-74A, SOT-753 SC-74A, SOT-753 SC-74A, SOT-753 6-WDFN Exposed Pad SC-74A, SOT-753 SC-74A, SOT-753
Supplier Device Package SOT-23-5 SOT-23-5 SOT-23-5 SOT-23-5 6-WSON (2x2) SOT-23-5 SOT-23-5

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