UC2861N vs UC2851N

Product Attributes

Part Number UC2861N UC2851N
Manufacturer Unitrode Texas Instruments
Category PMIC - AC DC Converters, Offline Switchers PMIC - AC DC Converters, Offline Switchers
UC2861N UC2851N
Product Status Active Active
Output Isolation Non-Isolated -
Internal Switch(s) Yes No
Voltage - Breakdown - -
Topology Full-Bridge, Half-Bridge, Push-Pull Boost, Buck, Flyback, Forward
Voltage - Start Up 16.5 V 8 V
Voltage - Supply (Vcc/Vdd) 10.5V ~ 22V 7.8V ~ 32V
Duty Cycle - 50%
Frequency - Switching 10kHz ~ 1MHz Up to 500kHz
Power (Watts) - -
Fault Protection - Current Limiting, Over Voltage
Control Features Soft Start Frequency Control, Soft Start
Operating Temperature -25°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Package / Case 16-DIP (0.300", 7.62mm) 18-DIP (0.300", 7.62mm)
Supplier Device Package 16-PDIP 18-PDIP
Mounting Type Through Hole Through Hole