Datasheet LTC4081EDD - Linear Technology IC, BATT CHARGER, LOW POWER, 10DFN
Part Number: LTC4081EDD
Detailed Description
Manufacturer: Linear Technology
Description: IC, BATT CHARGER, LOW POWER, 10DFN
Docket:
FEATURES
Battery Charger: Constant-Current/Constant-Voltage Operation with Thermal Feedback to Maximize Charge Rate Without Risk of Overheating Internal 4.5 Hour Safety Timer for Termination Charge Current Programmable Up to 500mA with 5% Accuracy NTC Thermistor Input for Temperature Qualified Charging C/10 Charge Current Detection Output 5A Supply Current in Shutdown Mode Switching Regulator: High Efficiency Synchronous Buck Converter 300mA Output Current (Constant-Frequency Mode) 2.7V to 4.5V Input Range (Powered from BAT Pin) 0.8V to V BAT Output Range MODE Pin Selects Fixed (2.25MHz) Constant-Frequency PWM Mode or Low ICC (23A) Burst Mode® Operation 2A BAT Current in Shutdown Mode 10-lead, low profile (0.75 mm) 3mm Ч 3mm DFN package
LTC4081 500mA Li-Ion Charger with NTC Input and 300mA Synchronous Buck DESCRIPTIO
The LTC4081 is a complete constant-current/constantvoltage linear battery charger for a single-cell 4.2V lithium-ion/polymer battery with an integrated 300mA
Specifications:
- Base Number: 4081
- Battery Charge Voltage: 3.8 V
- Battery IC Case Style: DFN
- Battery Management Function: Charger
- Battery Type: Li-Ion / Li-Polymer
- Charge Current Max: 525 mA
- Input Voltage Max: 4.5 V
- Input Voltage: 5.5 V
- Mounting Type: SMD
- Number of Pins: 10
- Number of Series Cells: 1
- Operating Temperature Range: 0°C to +70°C
- Output Voltage Max: 4.24 V
- Package / Case: DFN
- SVHC: No SVHC (15-Dec-2010)
- Supply Voltage Range: 3.75 V to 5.5 V
RoHS: Yes