LT1764
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LT1764

3A, Fast Transient Response, Low Noise, LDO Regulators

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LTspice LT1764 Demo Circuit - Low Noise LDO Regulator (3.5-16V to 2.5V @ 3A) Download 1.00KB LTspice LT1764 - LDO Linear Regulators Download 0.78 KB
Part Models 30
1ku List Price Starting From $4.68
Features
  • Optimized for Fast Transient Response
  • Output Current: 3A
  • Dropout Voltage: 340mV at 3A
  • Low Noise: 40µVRMS (10Hz to 100kHz)
  • 1mA Quiescent Current
  • Wide Input Voltage Range: 2.7V to 20V
  • No Protection Diodes Needed
  • Controlled Quiescent Current in Dropout
  • Fixed Output Voltages: 1.5V, 1.8V, 2.5V, 3.3V
  • Adjustable Output from 1.21V to 20V
  • <1µA Quiescent Current in Shutdown
  • Stable with 10µF Output Capacitor
  • Reverse Battery Protection
  • No Reverse Current
  • Thermal Limiting
  • Available in 5-Lead TO-220, DD and 16-Lead TSSOP Packages
Additional Details
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The LT1764 is a low dropout regulator optimized for fast transient response. The device is capable of supplying 3A of output current with a dropout voltage of 340mV. Operating quiescent current is 1mA, dropping to <1µA in shutdown. Quiescent current is well controlled; it does not rise in dropout as it does with many other regulators. In addition to fast transient response, the LT1764 has very low output voltage noise which makes the device ideal for sensitive RF supply applications.

Output voltage range is from 1.21V to 20V. The LT1764 regulators are stable with output capacitors as low as 10µF. Internal protection circuitry includes reverse battery protection, current limiting, thermal limiting and reverse current protection. The device is available in fixed output voltages of 1.5V, 1.8V, 2.5V, 3.3V and as an adjustable device with a 1.21V reference voltage. The LT1764 regulators are available in 5-lead TO-220, DD and Exposed Pad 16-lead TSSOP packages.

Features
LT1764 -
LT1764A Stable With Ceramic Output Capacitors

Applications

  • 3.3V to 2.5V Logic Power Supply
  • Post Regulator for Switching Supplies
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file View Data Sheet
Documentation View All Documentation
LTspice LT1764 Demo Circuit - Low Noise LDO Regulator (3.5-16V to 2.5V @ 3A) Download 1.00KB LTspice LT1764 - LDO Linear Regulators Download 0.78 KB
Part Models 30
1ku List Price Starting From $4.68
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LT1764

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Data Sheet

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UPDATED 08/30/2007
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LT1764: 3A, Fast Transient Response, Low Noise, LDO Regulators Data Sheet

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Reliability Data

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UPDATED 03/22/2018
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R386 Reliability Data redirect icon

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Application Note

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UPDATED 08/20/2007
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AN83 - Performance Verification of Low Noise, Low Dropout Regulators redirect icon

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Documentation

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LT1764EFE#PBF 16-Lead TSSOP w/ EP external-link
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LT1764EFE#TRPBF 16-Lead TSSOP w/ EP external-link
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LT1764EFE-1.5#PBF 16-Lead TSSOP w/ EP external-link
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LT1764EFE-1.5#TRPBF 16-Lead TSSOP w/ EP external-link
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LT1764EFE-1.8#PBF 16-Lead TSSOP w/ EP external-link
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LT1764EFE-1.8#TRPBF 16-Lead TSSOP w/ EP external-link
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LT1764EFE-2.5#PBF 16-Lead TSSOP w/ EP external-link
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LT1764EFE-2.5#TRPBF 16-Lead TSSOP w/ EP external-link
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LT1764EFE-3.3#PBF 16-Lead TSSOP w/ EP external-link
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LT1764EFE-3.3#TRPBF 16-Lead TSSOP w/ EP external-link
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LT1764EQ#PBF 5-Lead DD Pak external-link
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LT1764EQ#TRPBF 5-Lead DD Pak external-link
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LT1764EQ-1.5#PBF 5-Lead DD Pak external-link
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LT1764EQ-1.5#TRPBF 5-Lead DD Pak external-link
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LT1764EQ-1.8#PBF 5-Lead DD Pak external-link
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LT1764EQ-1.8#TRPBF 5-Lead DD Pak external-link
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LT1764EQ-2.5#PBF 5-Lead DD Pak external-link
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LT1764EQ-2.5#TRPBF 5-Lead DD Pak external-link
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LT1764EQ-3.3#PBF 5-Lead DD Pak external-link
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LT1764EQ-3.3#TRPBF 5-Lead DD Pak external-link
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LT1764ET#06PBF 5-Lead TO-220 (Flow 06) external-link
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LT1764ET#30PBF 5-Lead TO-220 (Flow 30) external-link
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LT1764ET#31PBF 5-Lead TO-220 (Flow 31) external-link
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LT1764ET#PBF 5-Lead TO-220 external-link
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LT1764ET-1.5#PBF 5-Lead TO-220 external-link
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LT1764ET-1.8#06PBF 5-Lead TO-220 (Flow 06) external-link
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LT1764ET-1.8#PBF 5-Lead TO-220 external-link
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LT1764ET-2.5#06PBF 5-Lead TO-220 (Flow 06) external-link
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LT1764ET-2.5#PBF 5-Lead TO-220 external-link
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LT1764ET-3.3#PBF 5-Lead TO-220 external-link
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Apr 6, 2022

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Laser Top Mark for ETSSOP and TSSOP Packages Assembled in ADPG [PNG] and UTL

LT1764EFE#PBF

PRODUCTION

LT1764EFE#TRPBF

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LT1764EFE-1.5#PBF

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LT1764EFE-1.5#TRPBF

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LT1764EFE-1.8#PBF

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LT1764EFE-1.8#TRPBF

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LT1764EFE-2.5#PBF

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LT1764EFE-3.3#PBF

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Aug 10, 2022

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Laser Top Mark Conversion for DDPAK & TO220 Packages Assembled in ADPG. Country of Origin Code [MY] To Be Incorporated On Top Mark

LT1764EQ#PBF

PRODUCTION

LT1764EQ#TRPBF

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LT1764EQ-1.5#PBF

PRODUCTION

LT1764EQ-1.5#TRPBF

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LT1764EQ-1.8#PBF

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LT1764EQ-1.8#TRPBF

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LT1764EQ-2.5#PBF

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LT1764EQ-2.5#TRPBF

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LT1764EQ-3.3#PBF

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LT1764EQ-3.3#TRPBF

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LT1764ET#06PBF

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LT1764ET#30PBF

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LT1764ET#31PBF

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LT1764ET#PBF

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LT1764ET-1.5#PBF

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LT1764ET-1.8#06PBF

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LT1764ET-2.5#06PBF

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Laser Top Mark for ETSSOP and TSSOP Packages Assembled in ADPG [PNG] and UTL

LT1764EFE#PBF

PRODUCTION

LT1764EFE#TRPBF

PRODUCTION

LT1764EFE-1.5#PBF

PRODUCTION

LT1764EFE-1.5#TRPBF

PRODUCTION

LT1764EFE-1.8#PBF

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LT1764EFE-1.8#TRPBF

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LT1764EFE-2.5#PBF

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LT1764EFE-3.3#PBF

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LT1764EFE-3.3#TRPBF

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Delta Qualification Matrix

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Aug 10, 2022

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Laser Top Mark Conversion for DDPAK & TO220 Packages Assembled in ADPG. Country of Origin Code [MY] To Be Incorporated On Top Mark

LT1764EQ#PBF

PRODUCTION

LT1764EQ#TRPBF

PRODUCTION

LT1764EQ-1.5#PBF

PRODUCTION

LT1764EQ-1.5#TRPBF

PRODUCTION

LT1764EQ-1.8#PBF

PRODUCTION

LT1764EQ-1.8#TRPBF

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LT1764EQ-2.5#PBF

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LT1764EQ-2.5#TRPBF

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LT1764EQ-3.3#PBF

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LT1764EQ-3.3#TRPBF

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LT1764ET#06PBF

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LT1764ET#30PBF

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LT1764ET#31PBF

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LT1764ET#PBF

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LT1764ET-1.5#PBF

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LT1764ET-1.8#06PBF

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LT1764ET-1.8#PBF

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LT1764ET-2.5#06PBF

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LT1764ET-2.5#PBF

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LT1764ET-3.3#PBF

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Delta Qualification Matrix

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Software & Part Ecosystem

Software & Part Ecosystem

Parts Product Life Cycle Description
LT1764A
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RECOMMENDED FOR NEW DESIGNS

3A, Fast Transient Response, Low Noise, LDO Regulators

Tools & Simulations

Tools & Simulations 1

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.

spice tool Lt Spice

LT1764 Demo Circuit - Low Noise LDO Regulator (3.5-16V to 2.5V @ 3A) Download

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LT1764 - LDO Linear Regulators Download

0.78 K
Reference Designs

Reference Designs 1

DK-DEV-4SE530N Dev Kit

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  • Our reference designs are supported by an intuitive design tool set and IP
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DK-DEV-4SE530N Dev Kit

altera-stratix-iv-e-fpga-development-kit

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