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ADI LT3480IDD#TRPBF product image
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ADI LT3480IDD#TRPBF

Manufacturer
ADI
MPN
LT3480IDD#TRPBF
LCSC Part #
C670673
Packaging
DFN-10-EP(3x3)
Customer #
Key Attributes
36V, 2A, 2.4MHz Step-Down Switching Regulator
DatasheetADI LT3480IDD#TRPBF
RoHS Compliance1 documents available
Alternative Parts5
Every Order Guarantee
100% Authentic · 30-Day Return or Replacement

Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerADI
PackagingDFN-10-EP(3x3)
Operating Temperature-40℃~+125℃@(TJ)
Frequency - Switching200kHz~2.4MHz
FunctionStep-down type
Number of Outputs1
FeaturesFrequency synchronization;Operating status indication;Adjustable soft-start;Light load efficient mode;External compensation;Overcurrent Protection
Output TypeAdjustable
TopologyBuck
Operating Voltage3.6V~36V
Switch tube (built-in/external)Built-in
Output Current2A
Output Voltage790mV~20V
Quiescent Current70uA
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Introduction

AI Translation

The LT3480 is an adjustable frequency (200kHz to 2.4MHz) monolithic buck switching regulator that accepts input voltages up to 36V (60V maximum). A high efficiency 0.25Ω switch is included on the die along with a boost Schottky diode and the necessary oscillator, control, and logic circuitry. Current mode topology is used for fast transient response and good loop stability. Low ripple Burst Mode operation maintains high efficiency at low output currents while keeping output ripple below 15mV in a typical application. In addition, the LT3480 can further enhance low output current efficiency by drawing bias current from the output when VOUT is above 3V. Shutdown reduces input supply current to less than 1µA while a resistor and capacitor on the RUN/SS pin provide a controlled output voltage ramp (soft-start). A power good flag signals when VOUT reaches 86% of the programmed output voltage. The LT3480 is available in 10-lead MSOP and 3mm×3mm DFN packages with exposed pads for low thermal resistance.

Features

AI Translation
  • Wide Input Range: Operation from 3.6V to 36V
  • Over-Voltage Lockout Protects Circuits through 60V Transients
  • 2A Maximum Output Current
  • Low Ripple Burst Mode® Operation 70µA I₀ at 12VIN to 3.3V₀₊ Output Ripple < 15mV
  • Adjustable Switching Frequency: 200kHz to 2.4MHz
  • Low Shutdown Current: I₀ < 1µA
  • Integrated Boost Diode
  • Synchronizable Between 250kHz to 2MHz
  • Power Good Flag
  • Saturating Switch Design: 0.25Ω On-Resistance
  • 0.790V Feedback Reference Voltage
  • Output Voltage: 0.79V to 20V
  • Soft-Start Capability
  • Small 10-Lead Thermally Enhanced MSOP and (3mm×3mm) DFN Packages

Applications

AI Translation
  • Automotive Battery Regulation
  • Power for Portable Products
  • Distributed Supply Regulation
  • Industrial Supplies