Datasheet Linear Technology LTC4090EDJC-3#PBF — 数据表

LTC4090-3
USB Power Manager with
2A High Voltage Bat-Track
Buck Regulator
DESCRIPTION FEATURES
Seamless Transition Between Power Sources:
Li-Ion Battery, USB, and 6V to 36V Supply (60V Max)
nn 2A Output High Voltage Buck Regulator with
Bat-Trackв„ў Adaptive Output Control
nn 3.95V Float Voltage Improves Battery Life Span and
High Temperature Safety Margin
nn Internal 215mО© Ideal Diode Plus Optional External
Ideal Diode Controller Provides Low Loss
PowerPathв„ў When External Supply/ USB Not Present
nn Load Dependent Charging from USB Input Guarantees Current Compliance
nn Full Featured Li-Ion Battery Charger
nn 1.5A Maximum Charge Current with Thermal Limiting
nn NTC Thermistor Input for Temperature Qualified
Charging
nn Tiny (3mm Г— 6mm Г— 0.75mm) 22-Pin DFN Package The LTCВ®4090-3 is a USB power manager plus high voltage
Li-Ion/Polymer battery charger. The device controls the
total current used by the USB peripheral for operation and
battery charging. Battery charge current is automatically …