UC3843D
UC3843D
Active
Description:  IC REG CTRLR MULT TOP 14SOIC
Manufacturer:  Texas Instruments
Datasheet:   UC3843D Datasheet
History Price: $1.62000
In Stock: 4000
UC3843D vs UC3874N-2
Part No
Series
-
-
Packaging
Tube
Tube
Status
Active
Obsolete
Output Type
Transistor Driver
Transistor Driver
Function
Step-Up, Step-Down, Step-Up/Step-Down
Step-Down
Output Configuration
Positive, Isolation Capable
Positive
Topology
Boost, Buck, Buck-Boost, Flyback, Forward
Buck
Number of Outputs
1
1
Output Phases
1
1
Voltage - Supply (Vcc/Vdd)
12V ~ 28V
4.4V ~ 36V
Frequency - Switching
Up to 500kHz
Up to 300kHz
Duty Cycle (Max)
97%
100%
Synchronous Rectifier
No
Yes
Clock Sync
No
No
Serial Interfaces
-
-
Control Features
Frequency Control
Soft Start
Operating Temperature
0 ℃ ~ 70 ℃ (TA)
0 ℃ ~ 70 ℃ (TA)
Mounting Type
Surface Mount
Through Hole
Package / Case
14-SOIC (0.154", 3.90mm Width)
18-DIP (0.300", 7.62mm)
Supplier Device Package
14-SOIC
18-PDIP