Datasheet LTC3559EUD - Linear Technology IC, BATT CHARGER, W/BUCK REG, 16QFN — 数据表
Part Number: LTC3559EUD
详细说明
Manufacturer: Linear Technology
Description: IC, BATT CHARGER, W/BUCK REG, 16QFN
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