UC3856Q vs UC3846Q

Product Attributes

Part Number UC3856Q UC3846Q
Manufacturer Texas Instruments Texas Instruments
Category PMIC - Voltage Regulators - DC DC Switching Controllers PMIC - Voltage Regulators - DC DC Switching Controllers
UC3856Q UC3846Q
Product Status Obsolete Obsolete
Output Type Transistor Driver Transistor Driver
Function Step-Up, Step-Down, Step-Up/Step-Down Step-Up, Step-Up/Step-Down
Output Configuration Positive Positive
Topology Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull Boost, Flyback, Forward Converter, Half-Bridge, Push-Pull
Number of Outputs 2 2
Output Phases 1 1
Voltage - Supply (Vcc/Vdd) 7V ~ 40V 6.95V ~ 40V
Frequency - Switching 200kHz 500kHz
Duty Cycle (Max) 47% 50%
Synchronous Rectifier Yes Yes
Clock Sync Yes Yes
Serial Interfaces - -
Control Features Enable, Frequency Control, Soft Start Current Limit, Enable, Frequency Control, Soft Start
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Mounting Type Surface Mount Surface Mount
Package / Case 20-LCC (J-Lead) 20-LCC (J-Lead)
Supplier Device Package 20-PLCC (9x9) 20-PLCC (9x9)