LTC3026

PRODUCTION

1.5A Low Input Voltage VLDO Linear Regulator

5V, 1.5A, Low Noise, High PSRR, 100mV Dropout Linear Regulator with Boost Converter

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Overview

  • Input Voltage Range:
    • 1.14V to 3.5V (with Boost Enabled)
    • 1.14V to 5.5V (with External 5V Boost)
  • Low Dropout Voltage: 100mV at IOUT = 1.5A
  • Adjustable Output Range: 0.4V to 2.6V
  • Output Current: Up to 1.5A
  • Excellent Supply Rejection Even Near Dropout
  • Shutdown Disconnects Load from VIN and VBST
  • Low Operating Current: IIN = 950µA at VIN = 1.5V
  • Low Shutdown Current:
    • IIN < 1µA (Typ)
    • IBST = 0.1µA (Typ)
  • Stable with 10µF or Greater Ceramic Capacitors
  • Short-Circuit, Reverse Current Protected
  • Overtemperature Protected
  • Available in 10-Lead MSOP and 10-Lead (3mm × 3mm) DFN Packages
LTC3026
1.5A Low Input Voltage VLDO Linear Regulator
1.2V Output Voltage from 1.5V Input Supply Dropout Voltage vs Output Current Product Package 1 Product Package 2
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Documentation

Data Sheet 1

User Guide 1

Technical Articles 1

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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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 2

Models for the following parts are available in LTspice:

  • LTC3026
  • LTC3026-1
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
DC833A

LTC3026EDD | Low VIN, VLDO Linear Regulator, 1.14V ≤ VIN ≤ 5.5V (3.5V Using Internal Boost), VOUT = 0.8V/1.2V/1.5V/1.8V/Adjustable @ 1.5A

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Product Details

Demonstration circuit 833 is an ultralow dropout voltage supply using the 1.5A output current LTC3026 linear regulator in a small 3mm × 3mm 10-Pin DFN package. The DC833 has an input voltage range from 1.14V to 3.5V when the internal boost converter is enabled, and a maximum input voltage of 5.5V when an external source is supplied. The output voltage jumper-selectable and can be set to 0.8V, 1.2V, 1.5V, 1.5V, 1.8V or a user-defined value between 0.4V and 2.6V. The 0.4V reference of the LTC3026 allows the DC833 to supply power to very low voltage applications. The DC833 is also an excellent choice for post regulation of step-down switching regulators, creating a high efficiency low-noise supply. The DC833 comes assembled with small ceramic capacitors, showing the LTC3026's ability to maintain stability with ceramic output capacitors.

eval board
schematic 2
DC833A

LTC3026EDD | Low VIN, VLDO Linear Regulator, 1.14V ≤ VIN ≤ 5.5V (3.5V Using Internal Boost), VOUT = 0.8V/1.2V/1.5V/1.8V/Adjustable @ 1.5A

Buy Now View Details

Product Details

Demonstration circuit 833 is an ultralow dropout voltage supply using the 1.5A output current LTC3026 linear regulator in a small 3mm × 3mm 10-Pin DFN package. The DC833 has an input voltage range from 1.14V to 3.5V when the internal boost converter is enabled, and a maximum input voltage of 5.5V when an external source is supplied. The output voltage jumper-selectable and can be set to 0.8V, 1.2V, 1.5V, 1.5V, 1.8V or a user-defined value between 0.4V and 2.6V. The 0.4V reference of the LTC3026 allows the DC833 to supply power to very low voltage applications. The DC833 is also an excellent choice for post regulation of step-down switching regulators, creating a high efficiency low-noise supply. The DC833 comes assembled with small ceramic capacitors, showing the LTC3026's ability to maintain stability with ceramic output capacitors.
DC833A
LTC3026EDD | Low VIN, VLDO Linear Regulator, 1.14V ≤ VIN ≤ 5.5V (3.5V Using Internal Boost), VOUT = 0.8V/1.2V/1.5V/1.8V/Adjustable @ 1.5A
DC833A
DC833A
LTC3026EDD | Low VIN, VLDO Linear Regulator, 1.14V ≤ VIN ≤ 5.5V (3.5V Using Internal Boost), VOUT = 0.8V/1.2V/1.5V/1.8V/Adjustable @ 1.5A
DC833A

Reference Designs

DK-100G-5SGXEA7N Dev Kit
DK-100G-5SGXEA7N Dev Kit
DK-100G-5SGXEA7N Parts List
DK-100G-5SGXEA7N Block Diagram
DK-100G-5SGXEA7N Block Diagram
DK-100G-5SGXEA7N Power Tree
Altera 100G Development Kit, Stratix V 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
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
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
DK-SI-5SGTMC7N Signal Integrity Kit
DK-SI-5SGTMC7N Signal Integrity Kit
LTC Parts List
DK-SI-5SGTMC7N Block Diagram
DK-SI-5SGTMC7N Power Tree
Altera Transceiver Signal Integrity Development Kit, Stratix V GT 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
QorIQ LS1088A-RDB Dev Kit
QorIQ LS1088A-RDB Dev Kit
Qor IQ LS1088-RDB Power Tree
NXP (Freescale) QorIQ LS1088A-RDB 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
Terasic DE2i-150 Cyclone IV Board
Terasic DE2i-150 Cyclone IV Board
LTC Parts List
Terasic DE2i-150 Cyclone IV Block Diagram
DE2i-150 Power Tree
Terasic DE2i-150 Cyclone 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
DK-DEV-4CGX150N FPGA Development Kit
DK-DEV-4CGX150N FPGA Development Kit
DK-DEV-4CGX150N Block Diagram
DK-DEV-4CGX150N Power Tree
Altera Cyclone 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-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
Arria V SoC Development Kit
Arria V SoC Development Kit
DK-DEV-5ASTD5NES Block Diagram
DK-DEV-5ASTD5NES Power Tree
Altera Arria V SoC Development Kit and SoC Embedded Design Suite 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-SI-5SGXEA7N Kit
DK-SI-5SGXEA7N Kit
LTC Parts List
DK-SI-5SGXEA7N Block Diagram
DK-SI-5SGXEA7N Block Diagram
DK-SI-5SGXEA7N Power Tree
Altera Transceiver Signal Integrity Kit, Stratix V 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
DK-DEV-5AGTD7N Dev Kit
DK-DEV-5AGTD7N Dev Kit
LTC Parts List
DK-DEV-5AGTD7N Block Diagram
DK-DEV-5AGTD7N Block Diagram
DK-DEV-5AGTD7N Power Tree
Altera Arria 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
Altera 100G Development Kit, Stratix V Edition
DK-100G-5SGXEA7N Dev Kit
DK-100G-5SGXEA7N Parts List
DK-100G-5SGXEA7N Block Diagram
DK-100G-5SGXEA7N Block Diagram
DK-100G-5SGXEA7N Power Tree
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
Arrow/Terasic SoCKit Development Kit
SoCKit Dev Kit
SoCKit Block Diagram
SoCKit Development Kit Power Tree
Altera Transceiver Signal Integrity Development Kit, Stratix V GT Edition
DK-SI-5SGTMC7N Signal Integrity Kit
LTC Parts List
DK-SI-5SGTMC7N Block Diagram
DK-SI-5SGTMC7N Power Tree
NXP (Freescale) QorIQ LS1088A-RDB
QorIQ LS1088A-RDB Dev Kit
Qor IQ LS1088-RDB Power Tree
Terasic DE2i-150 Cyclone IV Board
Terasic DE2i-150 Cyclone IV Board
LTC Parts List
Terasic DE2i-150 Cyclone IV Block Diagram
DE2i-150 Power Tree
Altera Cyclone IV GX FPGA Development Kit
DK-DEV-4CGX150N FPGA Development Kit
DK-DEV-4CGX150N Block Diagram
DK-DEV-4CGX150N 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
Altera Arria V SoC Development Kit and SoC Embedded Design Suite
Arria V SoC Development Kit
DK-DEV-5ASTD5NES Block Diagram
DK-DEV-5ASTD5NES Power Tree
Altera Transceiver Signal Integrity Kit, Stratix V GX Edition
DK-SI-5SGXEA7N Kit
LTC Parts List
DK-SI-5SGXEA7N Block Diagram
DK-SI-5SGXEA7N Block Diagram
DK-SI-5SGXEA7N Power Tree
Altera Arria V GT FPGA Development Kit
DK-DEV-5AGTD7N Dev Kit
LTC Parts List
DK-DEV-5AGTD7N Block Diagram
DK-DEV-5AGTD7N Block Diagram
DK-DEV-5AGTD7N Power Tree

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