Datasheet LTC3559EUD - Linear Technology IC, BATT CHARGER, W/BUCK REG, 16QFN — Ficha de datos

Linear Technology LTC3559EUD

Part Number: LTC3559EUD

Descripción detallada

Manufacturer: Linear Technology

Description: IC, BATT CHARGER, W/BUCK REG, 16QFN

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Docket:
FEATURES
Battery Charger n Standalone USB Charger n Up to 950mA Charge Current Programmable via Single Resistor n HPWR Input Selects 20% or 100% of Programmed Charge Current n NTC Input for Temperature Qualified Charging n Internal Timer Termination n Bad Battery Detection n CHRG Indicates C/10 or Timeout Buck Regulators n 400mA Output Current n 2.25MHz Constant Frequency Operation n Zero Current in Shutdown n Low Noise Pulse Skip Operation or Power Saving Burst Mode Operation n Low No-Load Quiescent Current: 35A n Available in a Low Profile Thermally Enhanced 16-Lead 3mm Ч 3mm QFN Package
LTC3559/LTC3559-1 Linear USB Battery Charger with Dual Buck Regulators DESCRIPTION
The LTC®3559/LTC3559-1 are USB battery chargers with dual high efficiency buck regulators.

The parts are ideally suited to power single-cell Li-Ion/Polymer based handheld applications needing multiple supply rails. Battery charge current is programmed via the PROG pin and the HPWR pin, with capability up to 950mA at t

Specifications:

  • Base Number: 3559
  • Battery Charge Voltage: 4.2 V
  • Battery IC Case Style: QFN
  • Battery Management Function: Charger
  • Battery Type: Li-Ion
  • Charge Current Max: 950 mA
  • Input Voltage: 5.5 V
  • Mounting Type: SMD
  • Number of Pins: 16
  • Number of Series Cells: 1
  • Operating Temperature Range: -40°C to +85°C
  • Output Voltage Max: 4.2 V
  • Package / Case: QFN
  • SVHC: No SVHC (15-Dec-2010)
  • Supply Voltage Range: 4.3 V to 5.5 V

RoHS: Yes