UC3843D vs UC3843D8

Product Attributes

Part Number UC3843D UC3843D8
Manufacturer Fairchild Semiconductor Texas Instruments
Category PMIC - Voltage Regulators - DC DC Switching Controllers PMIC - Voltage Regulators - DC DC Switching Controllers
UC3843D UC3843D8
Product Status Obsolete Active
Output Type Transistor Driver Transistor Driver
Function Step-Up, Step-Down, Step-Up/Step-Down Step-Up, Step-Down, Step-Up/Step-Down
Output Configuration Positive, Isolation Capable Positive, Isolation Capable
Topology Boost, Buck, Buck-Boost, Flyback, Forward Boost, Buck, Buck-Boost, Flyback, Forward
Number of Outputs 1 1
Output Phases 1 1
Voltage - Supply (Vcc/Vdd) 7.6V ~ 30V 12V ~ 28V
Frequency - Switching Up to 500kHz Up to 500kHz
Duty Cycle (Max) 97% 97%
Synchronous Rectifier No No
Clock Sync No No
Serial Interfaces - -
Control Features Frequency Control Frequency Control
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Mounting Type Surface Mount Surface Mount
Package / Case 14-SOIC (0.209", 5.30mm Width) 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 14-SOP 8-SOIC