LT3022

RECOMMENDED FOR NEW DESIGNS

1A, 0.9V to 10V, Very Low Dropout Linear Regulator

Data Sheet Product Selection Table
Part Models
20
1ku List Price
Starting From $3.28
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Part Details

  • VIN Range: 0.9V to 10V
  • Dropout Voltage: 145mV Typical
  • Output Current: 1A
  • Adjustable Output (VREF = VOUT(MIN) = 200mV)
  • Fixed Output Voltages: 1.2V, 1.5V, 1.8V
  • Stable with Low ESR, Ceramic Output Capacitors (10μF Minimum)
  • 0.05% Typical Load Regulation from 1mA to 1A
  • Quiescent Current: 400μA Typical
  • 7.5μA Typical Quiescent Current in Shutdown
  • Current Limit Protection
  • Reverse-Battery Protection with No Reverse Current
  • Thermal Limiting with Hysteresis
  • 16-Lead (5mm × 3mm) DFN and MSOP Packages
LT3022
1A, 0.9V to 10V, Very Low Dropout Linear Regulator
1.2V to 0.9V, 1A VLDO Regulator Minimum Input Voltage Product Package 1 Product Package 2
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 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
Digital Temperature Sensors 1
LTC2991
RECOMMENDED FOR NEW DESIGNS Octal I2C Voltage, Current, and Temperature Monitor
Single-Supply Monitors 1
LTC2917
PRODUCTION Voltage Supervisor with 27 Selectable Thresholds and Watchdog Timer
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Tools & Simulations

LTspice 1

Models for the following parts are available in LTspice:

  • LT3022
  • LT3022-1.2
  • LT3022-1.5
  • LT3022-1.8
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
DC932A

LT3022EDHC Demo Board | VLDO Linear Regulator, 1V ≤ VIN ≤ 10V, VOUT = 0.9V/1.0V/1.2V/1.5V/1.8V @ 1A

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Product Details

Demonstration circuit 932A is an adjustable 1A linear regulator featuring LT3022. The LT3022 is a very low dropout voltage (VLDO™) linear regulator that operates from input supplies down to 0.9V. The device supplies 1A of output current with 145mV typical dropout voltage. The LT3022 is ideal for low input voltage to low output voltage applications, providing comparable electrical efficiency to a switching regulator. The demo board has an input voltage range from 1V to 10V and provides a jumper-selectable output voltage of 0.9V, 1V, 1.2V, 1.5V, 1.8V or a user-defined value down to 200mV. The regulator optimizes stability and transient response with low ESR ceramic output capacitors as small as 10µF. Other LT3022 features include 0.05% typical line regulation and 0.05% typical load regulation. In shutdown, the quiescent current typically drops to 7.5µA. Internal protection circuitry includes reverse-battery protection, current limiting, thermal limiting with hysteresis and reverse-current protection.


 
DC932A
LT3022EDHC Demo Board | VLDO Linear Regulator, 1V ≤ VIN ≤ 10V, VOUT = 0.9V/1.0V/1.2V/1.5V/1.8V @ 1A
DC932A Demo Board DC932A Demo Board DC932A Demo Board DC932A Demo Board DC932A - Schematic

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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
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  • 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
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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
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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
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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 SoC Development Kit and SoC Embedded Design Suite
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Latest Discussions

52 Weeks Ago
GND Pin Current query
4 Years Ago
LT3022 output is false
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