LT3090

RECOMMENDED FOR NEW DESIGNS

–36V, 600mA Negative Linear Regulator with Programmable Current Limit

Data Sheet Product Selection Table
Part Models
16
1ku List Price
Starting From $2.60
Viewing:

Part Details

  • Output Current: 600mA
  • Single Resistor Sets Output Voltage
  • 50μA SET Pin Current: ±1% Initial Accuracy
  • Programmable Current Limit
  • Positive or Negative Output Current Monitor
  • Parallelable for Higher Current and Heat Spreading
  • Low Dropout Voltage: 300mV
  • Low Output Noise: 18μVRMS (10Hz to 100kHz)
  • Configurable as 3-Terminal Floating Regulator
  • Wide Input Voltage Range: –1.5V to –36V
  • Rail-to-Rail Output Voltage Range: 0V to –32V
  • Positive/Negative Shutdown Logic or UVLO
  • Programmable Cable Drop Compensation
  • Load Regulation: 1.2mV (1mA to 600mA)
  • Stable with 4.7μF Minimum Output Capacitor
  • Stable with Ceramic or Tantalum Capacitors
  • Thermally Enhanced 12-Lead MSOP and 10-Lead 0.75mm × 3mm × 3mm DFN Packages
LT3090
–36V, 600mA Negative Linear Regulator with Programmable Current Limit
Output Noise: 10Hz to 100kHz Product Package 1 Product Package 2
Add to myAnalog

Add product to the Products section of myAnalog (to receive notifications), to an existing project or to a new project.

Create New Project
Ask a Question

Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Technical Articles 4

Data Sheet

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

Learn More
Add to myAnalog

Add product to the Products section of myAnalog (to receive notifications), to an existing project or to a new project.

Create New Project

Hardware Ecosystem

Parts Product Life Cycle Description
Negative Linear Regulators (LDO) 1
LT3015 Series
1.5A, Low Noise, Negative Linear Regulator with Precision Current Limit
Modal heading
Add to myAnalog

Add product to the Products section of myAnalog (to receive notifications), to an existing project or to a new project.

Create New Project

Tools & Simulations

LTspice 2

Models for the following parts are available in LTspice:

  • LT3090
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
DC1948A

LT3090 Demo Board | Negative Linear Regulator with Prog Current Limit, -1.5V ≤ VIN ≤ -36V, VOUT = -1.25V/-2.5V/-5V/-12V/-15V/-18V @ 600mA

Buy Now View Details

Product Details

Demonstration circuit 1948A is a 600mA low dropout negative linear regulator featuring the LT3090. This device is designed for applications requiring negative output voltage, high current with no heat sink, output adjustability to zero and low dropout voltage. The LT3090 features fast transient response, high PSRR and low output noise. The LT3090 supplies 600mA at a typical dropout voltage of 300mV. Operating quiescent current is nominally 1mA and drops to << 1μA in shutdown. A single resistor adjusts the LT3090’s precision programmable current limit. The LT3090’s positive or negative current monitor either sources a current (0.5mA/A) or sinks a current (1mA/A) proportional to output current. Built-in protection includes reverse output protection, internal current limit with foldback and thermal shutdown with hysteresis.
DC1948A
LT3090 Demo Board | Negative Linear Regulator with Prog Current Limit, -1.5V ≤ VIN ≤ -36V, VOUT = -1.25V/-2.5V/-5V/-12V/-15V/-18V @ 600mA
DC1948A Demo Board DC1948A Demo Board DC1948A Demo Board DC1948A Demo Board DC1948A - Schematic

Reference Designs

Figure 1. CN0511 Functional Block Diagram
Figure 1. CN0511 Functional Block Diagram
EVAL-CN0511-RPIZ Evaluation Board
EVAL-CN0511-RPIZ Evaluation Board - Top View
EVAL-CN0511-RPIZ Evaluation Board - Bottom View
CN0511 Circuits from the lab

DC to 5.5 GHz Signal Generator with +/-0.5 dB Calibrated Output Power

View Detailed Reference Design

Features and Benefits

  • DC to 5.5 GHz Single Tone Generator
  • +/- 0.5 dB  Wideband Amplitude Calibration from 0 dBm to -40 dBm
  • 48-Bit Frequency Tuning Resolution (~43 uHz)
  • Onboard VCXO for Quick Bring Up
  • Compatible with Raspberry Pi 3B+, 4, Zero W, Zero 2W
Figure 1. CN0554 Simplified Block Diagram
Figure 1. CN0554 Simplified Block Diagram
EVAL-CN0554-RPIZ
EVAL-CN0554-RPIZ - Top View
EVAL-CN0554-RPIZ - Bottom View
CN0554 Circuits from the lab

±10 V Analog Input and ±15 V Analog Output for Raspberry Pi Platforms

View Detailed Reference Design

Features and Benefits

  • 8-Psuedo differential inputs or 16-Single-ended inputs
  • Selectable Input Voltage range, up to ±13 V
  • 16 Single-ended Outputs
  • Up to ±15 V Outputs
  • All Power Rails Derived from the Raspberry Pi

Part Used

Resources

Design & Integration Tools

Videos

  • lazy blur
    VIDEO · 2023-02-17 01:00
    CN0554: 10V Analog Input and 15V Analog Output for Raspberry Pi
CN0511
DC to 5.5 GHz Signal Generator with +/-0.5 dB Calibrated Output Power
Figure 1. CN0511 Functional Block Diagram
EVAL-CN0511-RPIZ Evaluation Board
EVAL-CN0511-RPIZ Evaluation Board - Top View
EVAL-CN0511-RPIZ Evaluation Board - Bottom View
CN0554
±10 V Analog Input and ±15 V Analog Output for Raspberry Pi Platforms
Figure 1. CN0554 Simplified Block Diagram
EVAL-CN0554-RPIZ
EVAL-CN0554-RPIZ - Top View
EVAL-CN0554-RPIZ - Bottom View

Latest Discussions

3 Years Ago
RE: AD5259 evaluation software issues
3 Years Ago
RE: LT3090 LTspice simulation stronge results.
View related discussion on EngineerZone®

Recently Viewed