Analog Devices

LT3470ETS8#TRMPBF

Power Management

Manufacturer
MPN
LT3470ETS8#TRMPBF
Product Type
Package / Case
TSOT-23-8
Key Attributes
Micropower Buck Regulator with Integrated Boost and Catch Diodes

Technical Specifications

TypeDescription
Output TypeAdjustable
Output Current200 mA
FunctionStep-down type
Channels1
Quiescent Current26 µA
Switch Tube (built-in/external)Built-in
Operating Temperature-40°C~+85°C@(TA)
TypeDescription
Switching Freq Hz-
FeaturesLight load efficient mode;Overcurrent Protection;Load disconnect
TopologyBuck
Supply Voltage4V~40V
Output Voltage1.25V~16V
Package / CaseTSOT-23-8

Product Introduction

The LT3470 is a micropower step-down DC/DC converter that integrates a 300mA power switch, catch diode and boost diode into low profile 3mm x 2mm DD and ThinSOT packages. The LT3470 combines Burst Mode and continuous operation to allow the use of tiny inductor and capacitors while providing a low ripple output to loads of up to 200mA.

With its wide input range of 4V to 40V, the LT3470 can regulate a wide variety of power sources, from 2-cell Li‑Ion batteries to unregulated wall transformers and lead-acid batteries. Quiescent current in regulation is just 26µA in a typical application while a zero current shutdown mode disconnects the load from the input source, simplifying power management in battery-powered systems. Fast current limiting and hysteretic control protects the LT3470 and external components against shorted outputs, even at 40V input.

Features

  • Low Quiescent Current: 26µA at 12VIN to 3.3VOUT
  • Integrated Boost and Catch Diodes
  • Input Range: 4V to 40V
  • Low Output Ripple: <10mV
  • <1µA in Shutdown Mode
  • Output Voltage: 1.25V to 16V
  • 200mA Output Current
  • Hysteretic Mode Control
  • Low Ripple Burst Mode(overline) Operation at Light Loads
  • Continuous Operation at Higher Loads
  • Solution Size as Small as 50mm2
  • Low Profile (0.75mm) 3mm×2mm Thermally Enhanced 8-Lead DD and 1mm ThinSOT Packages
  • AEC-Q100 Qualified for Automotive Applications

Applications

  • Automotive Battery Regulation
  • Power for Portable Products
  • Distributed Supply Regulation
  • Industrial Supplies
  • Wall Transformer Regulation

Datasheet

📄 Open Download

Alternative Parts

Common LT3470ETS8#TRMPBF alternatives overseas buyers search for:

Compliance & Export Codes

TypeDetails
RoHSROHS3
ECCNEAR99
CNHTS8542399000
USHTS8542390001
TARIC8542399000
TypeDetails
CAHTS8542390000
BRHTS85423999
INHTS85423900
MXHTS8542.39.99

Sourcing Information

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