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Datasheet Linear Technology LTC3576-1

ManufacturerLinear Technology

Switching Power Manager with USB On-the-Go + Triple Step-Down DC/DCs


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    LTC3576/LTC3576-1 - Switching Power Manager with USB On-the-Go + Triple Step-Down DC/DCs
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    Switching Power Manager
    with USB On-the-Go + Triple
    Step-Down DC/DCs
    n Bidirectional Switching Regulator with Bat-Track™
    Adaptive Output Control Provides Efficient Charging
    and a 5V Output for USB On-The-Go
    Bat-Track Control of External High Voltage StepDown Switching Regulator
    Overvoltage Protection Guards Against Damage
    Instant-On Operation with Discharged Battery
    Triple Step-Down Switching Regulators with I2C
    Adjustable Outputs (1A/400mA/400mA IOUT)
    180mΩ Internal Ideal Diode + External Ideal Diode
    Controller Powers the Load in Battery Mode
    Li-Ion/Polymer Battery Charger (1.5A Max ICHG)
    Battery Float Voltage: 4.2V (LTC3576), 4.1V (LTC3576-1)
    Compact (4mm × 6mm × 0.75mm) 38-Pin QFN Package APPLICATIONS n HDD-Based Media Players
    GPS, PDAs, Digital Cameras, Smart Phones
    Automotive Compatible Portable Electronics The LTC®3576/LTC3576-1 are highly integrated power
    management and battery charger ICs for Li-Ion/Polymer
    battery applications. They each include a high efficiency,
    bidirectional switching PowerPath™ manager with automatic load prioritization, a battery charger, an ideal diode, a ...



Package4x6 QFN-384x6 QFN-38
Package CodeUFEUFE


Battery ChemistryLi-Ion, Li-PolymerLi-Ion, Li-Polymer
Buck Output Current, A0.4, 0.4, 10.4, 0.4, 1
Demo BoardsDC1334A,DC1577ADC1334A,DC1577A
Export Control, yes/nonono
FeaturesPowerPath, Battery Charger, Triple BuckPowerPath, Battery Charger, Triple Buck
Float Voltage, V4.24.2
Max Charge Current, A1.51.5
Number of Cells11
Number of Outputs33
Operating Temperature Range, °C0 to 850 to 85
PowerPathSwitching PowerPath, 180mΩ Internal Ideal DiodeSwitching PowerPath, 180mΩ Internal Ideal Diode
Type of ChargerLinearLinear
Vin Max, V5.55.5
Vin Min, V4.354.35

Eco Plan

Other Options


Moldel Line

Series: LTC3576-1 (2)

Manufacturer's Classification

  • Power Management > PMIC & Multifunction > PMIC (DC/DC, PowerPath and Battery Charger)

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