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ADI LT8609AEMSE16#PBF product image
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ADI LT8609AEMSE16#PBFRoHS

Manufacturer
ADI
MPN
LT8609AEMSE16#PBF
LCSC Part #
C3188133
Packaging
MSOP-16-EP
Customer #
Key Attributes
42V, 3A Synchronous Step-Down Regulator with 2.5uA Quiescent Current
Datasheetpdf iconADI LT8609AEMSE16#PBF
In-Stock: 32
32 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 10.2341$ 10.23
10+$ 8.8767$ 88.77
30+$ 8.0496$ 241.49
100+$ 7.3564$ 735.64
Standard Packaging37/Full Tube
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerADI
PackagingMSOP-16-EP
Operating Temperature-40℃~+125℃@(TJ)
Frequency - Switching2MHz
FunctionStep-down type
Number of Outputs1
FeaturesFrequency synchronization;EMI optimization (spread spectrum);Adjustable soft-start;Output voltage tracking;Light load efficient mode;Operating status indication
Output TypeAdjustable
TopologyBuck
Operating Voltage3V~42V
Switch tube (built-in/external)Built-in
Output Voltage-
Output Current3A
Quiescent Current1.7uA
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging37
Sales UnitPiece

Introduction

AI Translation

The LT8609/LT8609A/LT8609B is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator that consumes only 1.7µA of nonswitching quiescent current. The LT8609/LT8609A/ LT8609B can deliver 3A of continuous current. Burst Mode operation enables high efficiency down to very low output currents while keeping the output ripple below 10mVP-P. A SYNC pin allows synchronization to an external clock, or spread spectrum modulation for low EMI operation. Internal compensation with peak current mode topology allows the use of small inductors and results in fast transient response and good loop stability. The EN/UV pin has an accurate 1V threshold and can be used to program VIN U VLO or to shut down the part. A capacitor on the TR/SS pin programs the output voltage ramp rate during start-up while the PG flag signals when VOUT is within ±8.5% on the adjustable output parts or ±7.5% on the fixed output parts of the programmed output voltage as well as fault conditions. The LT8609A has slower switch edges for lower EMI emissions. The LT8609B operates in pulse-skipping mode only.

Features

AI Translation
  • Wide Input Voltage Range: 3.0V to 42V
  • Ultralow Quiescent Current Burst Mode Operation: < 2.5µA Regulating 12VIN to 3.3VOUT
  • Output Ripple <10mVP-P
  • High Efficiency 2MHz Synchronous Operation: > 93% Efficiency at 1A, 5VOUT from 12VIN
  • 3A Maximum Continuous Output
  • Fast Minimum Switch-On Time: 45ns
  • LT8609A Available in Fixed 3.3V and 5V Output
  • Adjustable and Synchronizable: 200kHz to 2.2MHz
  • Spread Spectrum Frequency Modulation for Low EMI
  • Allows Use of Small Inductors
  • Low Dropout Peak Current Mode Operation
  • Accurate 1V Enable Pin Threshold
  • Internal Compensation
  • Output Soft-Start and Tracking
  • Small 10-Lead MSOP Package, 16-Lead MSOP Package, or 10-Lead 3mm × 3mm DFN Package with Side Wettable Flanks
  • AEC-Q100 Qualified for Automotive Applications

Applications

AI Translation
  • GSM Transceivers
  • General Purpose Step-Down
  • Low EMI Step-Down