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ADI LT3097ADJC#PBF

Manufacturer
ADI
MPN
LT3097ADJC#PBF
LCSC Part #
C7495294
Packaging
DFN-22-EP(3x6)
Customer #
Key Attributes
Dual 500mA, Positive/Negative, Ultra-Low Noise, Ultra-High PSRR Low Dropout Linear Regulator
DatasheetADI LT3097ADJC#PBF
RoHS Compliance1 documents available
In-Stock: 92
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QtyUnit PriceTotal Amount
1+$ 26.4356$ 26.44
10+$ 25.3573$ 253.57
30+$ 23.4918$ 704.75
100+$ 21.8638$ 2186.38
Standard Packaging61/Full Tube
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
ManufacturerADI
PackagingDFN-22-EP(3x6)
Output Voltage0V~15V;0V~19.5V
Number of Outputs2
Operating Temperature-40℃~+125℃@(Tj)
Supply Current (Iq)2.2uA
Output ConfigurationPositive and Negative
Output Current500mA
Operating Voltage20V
Output TypeAdjustable
FeaturesAdjustable current limiting;Operating status indication;Enable control;Input under-voltage protection;Thermal shutdown;Reverse polarity voltage protection;Reverse-polarity current protection;Over Current Protection;Short Circuit Protection
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Introduction

AI Translation

The LT3097 is a dual, positive and negative, high-performance, low-dropout linear regulator featuring ultralow noise and ultra-high power supply rejection ratio (PSRR) architecture for powering noise-sensitive applications. Each regulator delivers up to 500 mA with a typical 260 mV/235 mV (positive/negative) dropout voltage. Operating quiescent current is nominally 2.2 mA/2.35 mA (positive/negative) and drops to 0.3 μA/3 μA (positive/negative) in shutdown. The LT3097 has a wide output voltage range (0 V to 15 V, positive and 0 V to –19.5 V, negative) error amplifier that operates in unity-gain and provides virtually constant output noise, PSRR, bandwidth and load regulation, independent of the programmed output voltage. LT3097 is stable with a minimum 10 μF ceramic output capacitor for each channel. Built-in protection includes internal current limit with foldback and thermal limit with hysteresis. The positive regulator also includes reverse-battery protection and reverse-current protection. The LT3097 is available in a thermally enhanced, 22-lead 6 mmx3 mm, Plastic dual-flat no-leads (DFN) package.

Features

AI Translation
  • Ultra-low output RMS noise: 0.8 μV rms (10 Hz to 100 kHz)
  • Ultra-low output noise spectral density: 2 nV/√Hz (Positive) and 2.2 nV/√Hz (Negative) at 10 kHz
  • Ultra-low 1/f noise: 10 µVₚ₋ₚ (Positive) and 3.2 µVₚ₋ₚ (Negative) (0.1 Hz to 10 Hz)
  • Ultra-high PSRR: 76 dB (Positive) and 74 dB (Negative) at 1 MHz
  • Output current: 500 mA
  • Wide input voltage range: ±1.8 V to ±20 V
  • Single capacitor per channel improves noise and PSRR
  • SET pin current: 100 μA, ±1% initial accuracy
  • Single resistor per channel programs output voltage
  • Programmable current limit
  • Low-dropout voltage: 260 mV (Positive) and 235 mV (Negative)
  • Output voltage range: 0 V to 15 V (Positive) and 0 V to –19.5 V (Negative)
  • Programmable power good
  • Fast start-up capability
  • Precision enable/undervoltage lockout (UVLO)
  • Internal current limit with foldback
  • Minimum output capacitor: 10 µF ceramic
  • Compact, low-profile, 22-lead, 6 mm×3 mm, Plastic DFN package

Applications

AI Translation
  • Bipolar very low-noise power supplies
  • RF power supplies: phase-locked loops, voltage-controlled oscillators, mixers, low-noise amplifiers, and power amplifiers
  • Low-noise instrumentation
  • High-speed and high-precision data converters
  • Medical applications: imaging and diagnostics
  • Precision power supplies
  • Postregulator for switching supplies