Datasheet Analog Devices LT1308B — Ficha de datos

LT1308A/LT1308B
High Current, Micropower
Single Cell, 600kHz
DC/DC Converters
DESCRIPTION FEATURES 5V at 1A from a Single Li-Ion Cell
5V at 800mA in SEPIC Mode from Four NiCd Cells
Fixed Frequency Operation: 600kHz
Boost Converter Outputs up to 34V
Starts into Heavy Loads
Automatic Burst Mode™ Operation at
Light Load (LT1308A)
Continuous Switching at Light Loads (LT1308B)
Low VCESAT Switch: 300mV at 2A
Pin-for-Pin Upgrade Compatible with LT1308
Lower Quiescent Current in Shutdown: 1μA (Max)
Improved Accuracy Low-Battery Detector
Reference: 200mV ± 2%
Available in 8-Lead SO and 14-Lead TSSOP Packages APPLICATIONS n GSM/CDMA Phones
Digital Cameras
LCD Bias Supplies
Answer-Back Pagers
GPS Receivers
Battery Backup Supplies …