UC3842Q vs UC3841Q

Product Attributes

Part Number UC3842Q UC3841Q
Manufacturer Unitrode Texas Instruments
Category PMIC - Voltage Regulators - DC DC Switching Controllers PMIC - Voltage Regulators - DC DC Switching Controllers
UC3842Q UC3841Q
Product Status Active 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, Isolation Capable Positive, Isolation Capable
Topology Boost, Buck, Buck-Boost, Flyback, Forward Boost, Flyback, Forward Converter
Number of Outputs 1 1
Output Phases 1 1
Voltage - Supply (Vcc/Vdd) - 8V ~ 32V
Frequency - Switching Up to 500kHz 500kHz
Duty Cycle (Max) 97% 95%
Synchronous Rectifier No No
Clock Sync No No
Serial Interfaces - -
Control Features Frequency Control Current Limit, Enable, Frequency Control, Ramp, Reset, 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)