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ADI LT3094EDD#PBF product image
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ADI LT3094EDD#PBFRoHS

Manufacturer
ADI
MPN
LT3094EDD#PBF
LCSC Part #
C670492
Packaging
WDFN-12-EP(3x3)
Customer #
Key Attributes
-20V, 500mA, Ultra-low noise, ultra-high PSRR negative linear voltage regulator
Datasheetpdf iconADI LT3094EDD#PBF
In-Stock: 1,533
1,533 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 7.211$ 6.8505$ 6.85
10+$ 6.2764$ 5.9626$ 59.63
30+$ 5.3418$ 5.0748$ 152.24
100+$ 4.8647$ 4.6215$ 462.15
Standard Packaging121/Full Tube
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
ManufacturerADI
PackagingWDFN-12-EP(3x3)
Output Voltage0V~19.5V
Number of Outputs1
Operating Temperature-40℃~+125℃@(Tj)
Supply Current (Iq)2.35mA
Output ConfigurationNegative
Output Current500mA
Operating Voltage20V
Output TypeAdjustable
FeaturesEnable control;Adjustable current limiting;Operating status indication;Input under-voltage protection;Thermal shutdown;Short Circuit Protection;Over Current Protection
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging121
Sales UnitPiece

Introduction

AI Translation

The LT3094 is a high performance low dropout negative linear regulator featuring ultralow noise and ultrahigh PSRR architecture for powering noise sensitive applications. The device can be easily paralleled to further reduce noise, increase output current and spread heat on a PCB. The LT3094 supplies 500mA at a typical 235mV dropout voltage. Operating quiescent current is nominally 2.35mA and drops to 3µA in shutdown. The device’s wide output voltage range (0V to –19.5V) error amplifier operates in unity-gain and provides virtually constant output noise, PSRR, bandwidth, and load regulation independent of the programmed output voltage. Additional features are a bipolar enable pin, programmable current limit, fast startup capability and programmable power good to indicate output voltage regulation. The regulator incorporates a tracking function to control an upstream supply to maintain a constant voltage across the LT3094 to minimize power dissipation and optimize PSRR. The LT3094 is stable with a minimum 10µF ceramic output capacitor. Built-in protection includes internal current limit with foldback and thermal limit with hysteresis. The LT3094 is available in thermally enhanced 12-Lead MSOP and 3mm × 3mm DFN Packages.

Features

AI Translation
  • Ultralow RMS Noise: 0.8µVRMS (10Hz to 100kHz)
  • Ultralow Spot Noise: 2.2nV/√Hz at 10kHz
  • Ultrahigh PSRR: 74dB at 1MHz
  • Output Current: 500mA
  • Wide Input Voltage Range: –1.8V to –20V
  • Single Capacitor Improves Noise and PSRR
  • 100µA SET Pin Current: ±1% Initial Accuracy
  • Single Resistor Programs Output Voltage
  • Programmable Current Limit
  • Low Dropout Voltage: 235mV
  • Output Voltage Range: 0V to –19.5V
  • Programmable Power Good and Fast Start-Up
  • Bipolar Precision Enable/UVLO Pin
  • VIOC Pin Controls Upstream Regulator to Minimize Power Dissipation and Optimize PSRR
  • Minimum Output Capacitor: 10µF Ceramic
  • 12-Lead MSOP and 3mm × 3mm DFN Packages

Applications

AI Translation
  • RF and Precision Power Supplies
  • Very Low Noise Instrumentation
  • High Speed/High Precision Data Converters
  • Medical Applications: Diagnostics and Imaging
  • Post-Regulator for Switching Supplies