Datasheet Texas Instruments UC3902DG4 — 数据表

UC2902
UC3902 SLUS232E -DECEMBER 19, 2002 -REVISED JULY 2011 LOAD SHARE CONTROLLER
FEATURES
D 2.7-V to 20-V Operation
D 8-Pin Package
D Requires Minimum Number of External
D
D
D
D
D DESCRIPTION
The UC3902 load share controller is an 8-pin
device that balances the current drawn from
independent, paralleled power supplies. Load
sharing is accomplished by adjusting each
supplies’ output current to a level proportional to
the voltage on a share bus. Components
Compatible with Existing Power Supply
Designs Incorporating Remote Output
Voltage Sensin
Differential Share Bus
Precision Current Sense Amplifier (40 Gain)
UVLO (Undervoltage Lockout) Circuitry …