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LT3060

RECOMMENDED FOR NEW DESIGNS

45V VIN, Micropower, Low Noise, 100mA Low Dropout, Linear Regulator

Data Sheet (Rev. D) Product Selection Table
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Overview

  • Input Voltage Range: 1.6V to 45V
  • Output Current: 100mA
  • Quiescent Current: 40μA
  • Dropout Voltage: 300mV
  • Low Noise: 30μVRMS (10Hz to 100kHz)
  • Adjustable Output: VREF = 600mV
  • Fixed Output Voltages: 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5V, 15V
  • Output Tolerance: ±2% Over Line, Load and Temperature
  • Single Capacitor Soft-Starts Reference and Lowers Output Noise
  • Shutdown Current: < 1μA
  • Reverse Battery Protection
  • Current Limit Foldback Protection
  • Thermal Limit Protection
  • 8-Lead 2mm × 2mm × 0.75mm DFN and 8-Lead ThinSOT™ Packages
  • AEC-Q100 Qualified for Automotive Applications

The LT3060 series are micropower, low dropout voltage (LDO) linear regulators that operate over a 1.6V to 45V input supply range. The devices supply 100mA of output current with a typical dropout voltage of 300mV. A single external capacitor provides programmable low noise reference performance and output soft-start functionality. The LT3060’s quiescent current is merely 40μA and provides fast transient response with a minimum 2.2μF output capacitor. In shutdown, quiescent current is less than 1μA and the reference soft-start capacitor is reset.

The LT3060 regulators optimize stability and transient response with low ESR, ceramic output capacitors. The regulators do not require the addition of ESR as is common with other regulators.

Internal protection circuitry includes reverse-battery protection, reverse-output protection, reverse-current protection, current limit with foldback and thermal shutdown. The LT3060 series are available in fixed output voltages of 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5V and 15V, and as an adjustable voltage regulator with an output voltage range from the 600mV reference to 44.5V. The LT3060 regulators are offered in the thermally enhanced 8-lead TSOT-23 and 8-lead (2mm × 2mm × 0.75mm) DFN packages.

APPLICATIONS

  • Battery-Powered Systems
  • Automotive Power Supplies
  • Industrial Power Supplies
  • Avionic Power Supplies
  • Portable Instruments
LT3060
45V VIN, Micropower, Low Noise, 100mA Low Dropout, Linear Regulator
LT3060 Application Circuit LT3060 Pin Configuration LT3060 Pin Configuration LT3060 Performance Graph
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Technical Articles 1

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Battery Monitors & Fuel Gauges 1
LTC4150
PRODUCTION Coulomb Counter/Battery Gas Gauge
LDO Linear Regulators 1
LT3050
RECOMMENDED FOR NEW DESIGNS 100mA, Linear Regulator with Precision Current Limit and Diagnostic Outputs
Protection Switches & Controllers 2
LTC2955
RECOMMENDED FOR NEW DESIGNS Pushbutton On/Off Controller with Automatic Turn-On
LT4363
RECOMMENDED FOR NEW DESIGNS High Voltage Surge Stopper with Current Limit
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Tools & Simulations

LTspice 1

Models for the following parts are available in LTspice:

  • LT3060
  • LT3060-1.2
  • LT3060-1.5
  • LT3060-1.8
  • LT3060-2.5
  • LT3060-3
  • LT3060-3.3
  • LT3060-5
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
DC1209A

LT3060EDC Demo Board | Low Noise, Low Dropout, Micropower Linear Regulator, 2.1V ≤ VIN ≤ 45V, VOUT = 1.2V/1.5V/1.8V/2.0V/2.5V/3.3V/5V at 100mA

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Product Details

Demonstration circuit 1209A is a Micropower, low dropout linear regulator featuring LT3060, which comes in an 8-lead TSOT23 or 2mm × 2mm DFN package. The DC1209A has an input voltage range from 2.1V to 45V, and is capable of delivering up to 100mA output current. The jumper-selectable output voltage can be set to 1.2V, 1.5V, 1.8V, 2.0V, 2.5V, 3.3V, 5V or a user-defined value. An external capacitor at REF/BYP pin provides low noise reference and programmable output soft-start functionality. The LT3060’s quiescent current is merely 40µA and provides fast transient response with a minimum 2.2µF output capacitor.
DC1209A
LT3060EDC Demo Board | Low Noise, Low Dropout, Micropower Linear Regulator, 2.1V ≤ VIN ≤ 45V, VOUT = 1.2V/1.5V/1.8V/2.0V/2.5V/3.3V/5V at 100mA
DC1209A - Schematic

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