LTC3025-1
LTC3025-2
LTC3025-3
LTC3025-4

PRODUCTION

500mA Micropower VLDO Linear Regulators

Data Sheet (Rev. H) Product Selection Table
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Overview

  • Wide Input Voltage Range: 0.9V to 5.5V
  • Stable with Ceramic Capacitors
  • Very Low Dropout: 85mV at 500mA
  • Adjustable Output Range: 0.4V to 3.6V (LTC3025-1)
  • Fixed Output: 1.2V(LTC3025-2), 1.5V(LTC3025-3), 1.8V(LTC3025-4)
  • ±2% Voltage Accuracy over Temperature, Supply and Load
  • Low Noise: 80μVRMS (10Hz to 100kHz)
  • BIAS Voltage Range: 2.5V to 5.5V
  • Fast Transient Recovery
  • Shutdown Disconnects Load from VIN and VBIAS
  • Low Operating Current: IIN = 4μA, IBIAS = 50μA Typ
  • Low Shutdown Current: IIN = 1μA, IBIAS = 0.01μA Typ
  • Output Current Limit
  • Thermal Overload Protection
  • Available in 6-Lead (2mm × 2mm) DFN Package
  • AEC-Q100 Qualified for Automotive Applications
LTC3025-1
LTC3025-2
LTC3025-3
LTC3025-4
500mA Micropower VLDO Linear Regulators
LTC3025-1/LTC3025-2/LTC3025-3/LTC3025-4 Application Circuit LTC3025-1/LTC3025-2/LTC3025-3/LTC3025-4 Pin Configuration LTC3025-1/LTC3025-2/LTC3025-3/LTC3025-4 Performance Graph
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Documentation

Data Sheet 1

User Guide 1

Design Note 1

Technical Articles 1

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Power System Management (PSM) & Sequencers 1
LTC2974
RECOMMENDED FOR NEW DESIGNS 4-Channel PMBus Power System Manager Featuring Accurate Output Current Measurement
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Tools & Simulations

LTspice 1

Models for the following parts are available in LTspice:

  • LTC3025
  • LTC3025-1
  • LTC3025-2
  • LTC3025-3
  • LTC3025-4
LTspice

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.

Evaluation Kits

eval board
schematic 1
schematic 2
schematic 3
schematic 4
schematic 5
DC1283A

LTC3025EDC-1 Demo Board | Micropower VLDO Linear Regulator, 0.9V ≤ VIN ≤ 5.5V, VOUT = 0.8V/1.2V/1.5V/1.8V/Adjusted @ 500mA

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Product Details

Demonstration circuit 1283 is an ultralow dropout voltage supply using the LTC3025-1 500mA output current linear regulator in a small 2mm x 2mm 6-Pin DFN package. The DC1283A has an input voltage range from 0.9V to 5.5V and has a jumper-selectable output that can be set to 0.8V, 1.2V, 1.5V, 1.8V or a user defined value between 0.4V and 3.6V.

The 0.4V reference of the LTC3025-1 allows the DC1283A to supply power to very low voltage applications. The DC1283A is also an excellent choice for post regulation of step-down switching regulators, combining to create a high efficiency low-noise supply. The DC1283 uses small ceramic capacitors, showing the LTC3025-1's ability to maintain stability with ceramic output capacitors.

eval board
schematic 6
schematic 7
schematic 8
schematic 9
schematic 10
DC1283A

LTC3025EDC-1 Demo Board | Micropower VLDO Linear Regulator, 0.9V ≤ VIN ≤ 5.5V, VOUT = 0.8V/1.2V/1.5V/1.8V/Adjusted @ 500mA

Buy Now View Details

Product Details

Demonstration circuit 1283 is an ultralow dropout voltage supply using the LTC3025-1 500mA output current linear regulator in a small 2mm x 2mm 6-Pin DFN package. The DC1283A has an input voltage range from 0.9V to 5.5V and has a jumper-selectable output that can be set to 0.8V, 1.2V, 1.5V, 1.8V or a user defined value between 0.4V and 3.6V.

The 0.4V reference of the LTC3025-1 allows the DC1283A to supply power to very low voltage applications. The DC1283A is also an excellent choice for post regulation of step-down switching regulators, combining to create a high efficiency low-noise supply. The DC1283 uses small ceramic capacitors, showing the LTC3025-1's ability to maintain stability with ceramic output capacitors.

DC1283A
LTC3025EDC-1 Demo Board | Micropower VLDO Linear Regulator, 0.9V ≤ VIN ≤ 5.5V, VOUT = 0.8V/1.2V/1.5V/1.8V/Adjusted @ 500mA
DC1283A Demo Board DC1283A Demo Board DC1283A Demo Board DC1283A Demo Board DC1283A - Schematic
DC1283A
LTC3025EDC-1 Demo Board | Micropower VLDO Linear Regulator, 0.9V ≤ VIN ≤ 5.5V, VOUT = 0.8V/1.2V/1.5V/1.8V/Adjusted @ 500mA
DC1283A Demo Board DC1283A Demo Board DC1283A Demo Board DC1283A Demo Board DC1283A - Schematic

Reference Designs

DK-DEV-5CEA7N Dev Kit
DK-DEV-5CEA7N Dev Kit
DK-DEV-5CEA7N Dev Kit LTC Parts List
DK-DEV-5CEA7N Block Diagram
DK-DEV-5CEA7N Dev Kit Schematic
DK-DEV-5CEA7N Power Tree
Altera Cyclone V E Development Kit Circuits from the lab

View Detailed Reference Design

Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
DK-DEV-5SGXEA7N Dev Kit
DK-DEV-5SGXEA7N Dev Kit
LTC Parts List
DK-DEV-5SGXEA7N Block Diagram
DK-DEV-5SGXEA7N Power Tree
DK-DEV-5SGXEA7N Power Tree No TI
Altera Stratix V GX FPGA Development Kit Circuits from the lab

View Detailed Reference Design

Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
TR5-F40W Dev Kit
TR5-F40W Dev Kit
TR5-F40W Block Diagram
TR5-F40W Power Tree
Terasic TR5-F40W Stratix V GX FPGA Development Kit Circuits from the lab

View Detailed Reference Design

Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
DK-DEV-5CGTD9N Dev Kit
DK-DEV-5CGTD9N Dev Kit
DK-DEV-5CGTD9N Block Diagram
DK-DEV-5CGTD9N Power Tree
DK-DEV-5CGTD9N Power Tree No TI DDR Regulator
Altera Cyclone V GT FPGA Development Kit Circuits from the lab

View Detailed Reference Design

Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
TR4 Stratix IV Board
TR4 Stratix IV Board
LTC Parts List
TR4 Stratix IV Block Diagram
TR4 Stratix IV Power Tree
Terasic TR4 Stratix IV Board Circuits from the lab

View Detailed Reference Design

Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
SoCKit Dev Kit
SoCKit Dev Kit
SoCKit Block Diagram
SoCKit Development Kit Power Tree
Arrow/Terasic SoCKit Development Kit Circuits from the lab

View Detailed Reference Design

Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
DE4 Dev Kit
DE4 Dev Kit
DE4 Block Diagram
DE4 Power Tree
Terasic DE4 Development and Education Board Circuits from the lab

View Detailed Reference Design

Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
DK-DEV-4SGX230N Dev Kit
DK-DEV-4SGX230N Dev Kit
LTC Parts List
DK-DEV-4SGX230N Block Diagram
DK-DEV-4SGX230N Power Tree
Altera Stratix IV GX FPGA Development Kit Circuits from the lab

View Detailed Reference Design

Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
DK-VIDEO-4SGX230N Dev Kit
DK-VIDEO-4SGX230N Dev Kit
LTC Parts List
DK-VIDEO-4SGX230N Block Diagram
DK-VIDEO-4SGX230N Power Tree
Altera Audio Video Development Kit, Stratix IV GX Edition Circuits from the lab

View Detailed Reference Design

Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
TR5-Lite Dev Kit
TR5-Lite Dev Kit
TR5-Lite Block Diagram
TR5-Lite Power Tree
Terasic TR5-Lite Stratix V FPGA Development Kit Circuits from the lab

View Detailed Reference Design

Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
DK-DEV-5AGXB3NES Dev Kit
DK-DEV-5AGXB3NES Dev Kit
LTC Parts List
DK-DEV-5AGXB3NES Block Diagram
DK-DEV-5AGXB3NES Power Tree
Altera Arria V GX FPGA Development Kit Circuits from the lab

View Detailed Reference Design

Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
C5G Starter Kit
C5G Starter Kit
CSG Block Diagram
C5G Power Tree
Terasic C5G Cyclone V GX Starter Kit Circuits from the lab

View Detailed Reference Design

Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
Arria 10 SoC - Top View
Arria 10 SoC - Top View
Arria 10 SoC - Bottom View
Arria 10 Soc Dev Kit Block Diagram
Arria 10 SoC Power Tree
Altera Arria 10 SoC Development Kit Circuits from the lab

View Detailed Reference Design

Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
Arria 10 (Rev E3- Linear Technology) Dev Kit
Arria 10 (Rev E3- Linear Technology) Dev Kit
Arria 10 FPGA Development Kit (Power Tree Representative of Actual Components Used on Board)
Simplied Power Tree that directly steps down 12V to required I/O voltage
Arria 10 (Rev E3- Linear Technology) Dev Kit Block Diagram
Altera Arria 10 FPGA Development Kit Circuits from the lab

View Detailed Reference Design

Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
Altera Cyclone V E Development Kit
DK-DEV-5CEA7N Dev Kit
DK-DEV-5CEA7N Dev Kit LTC Parts List
DK-DEV-5CEA7N Block Diagram
DK-DEV-5CEA7N Dev Kit Schematic
DK-DEV-5CEA7N Power Tree
Altera Stratix V GX FPGA Development Kit
DK-DEV-5SGXEA7N Dev Kit
LTC Parts List
DK-DEV-5SGXEA7N Block Diagram
DK-DEV-5SGXEA7N Power Tree
DK-DEV-5SGXEA7N Power Tree No TI
Terasic TR5-F40W Stratix V GX FPGA Development Kit
TR5-F40W Dev Kit
TR5-F40W Block Diagram
TR5-F40W Power Tree
Altera Cyclone V GT FPGA Development Kit
DK-DEV-5CGTD9N Dev Kit
DK-DEV-5CGTD9N Block Diagram
DK-DEV-5CGTD9N Power Tree
DK-DEV-5CGTD9N Power Tree No TI DDR Regulator
Terasic TR4 Stratix IV Board
TR4 Stratix IV Board
LTC Parts List
TR4 Stratix IV Block Diagram
TR4 Stratix IV Power Tree
Arrow/Terasic SoCKit Development Kit
SoCKit Dev Kit
SoCKit Block Diagram
SoCKit Development Kit Power Tree
Terasic DE4 Development and Education Board
DE4 Dev Kit
DE4 Block Diagram
DE4 Power Tree
Altera Stratix IV GX FPGA Development Kit
DK-DEV-4SGX230N Dev Kit
LTC Parts List
DK-DEV-4SGX230N Block Diagram
DK-DEV-4SGX230N Power Tree
Altera Audio Video Development Kit, Stratix IV GX Edition
DK-VIDEO-4SGX230N Dev Kit
LTC Parts List
DK-VIDEO-4SGX230N Block Diagram
DK-VIDEO-4SGX230N Power Tree
Terasic TR5-Lite Stratix V FPGA Development Kit
TR5-Lite Dev Kit
TR5-Lite Block Diagram
TR5-Lite Power Tree
Altera Arria V GX FPGA Development Kit
DK-DEV-5AGXB3NES Dev Kit
LTC Parts List
DK-DEV-5AGXB3NES Block Diagram
DK-DEV-5AGXB3NES Power Tree
Terasic C5G Cyclone V GX Starter Kit
C5G Starter Kit
CSG Block Diagram
C5G Power Tree
Altera Arria 10 SoC Development Kit
Arria 10 SoC - Top View
Arria 10 SoC - Bottom View
Arria 10 Soc Dev Kit Block Diagram
Arria 10 SoC Power Tree
Altera Arria 10 FPGA Development Kit
Arria 10 (Rev E3- Linear Technology) Dev Kit
Arria 10 FPGA Development Kit (Power Tree Representative of Actual Components Used on Board)
Simplied Power Tree that directly steps down 12V to required I/O voltage
Arria 10 (Rev E3- Linear Technology) Dev Kit Block Diagram

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