UC1844L
UC1844L
Active
Description:  SWITCHING CONTROLLER
Manufacturer:  Texas Instruments
Datasheet:   UC1844L Datasheet
History Price: $5.17000
In Stock: 19500
UC1844L vs UC1823BJ883B
Series
-
-
Packaging
Bulk
Bulk
Status
Active
Active
Output Type
Transistor Driver
Transistor Driver
Function
Step-Up, Step-Up/Step-Down
Step-Up, Step-Down, Step-Up/Step-Down
Output Configuration
Positive, Isolation Capable
Positive
Topology
Boost, Flyback, Forward
Boost, Buck, Flyback, Forward Converter
Number of Outputs
1
2
Output Phases
1
1
Voltage - Supply (Vcc/Vdd)
10V ~ 30V
22V
Frequency - Switching
Up to 500kHz
400kHz ~ 1MHz
Duty Cycle (Max)
48%
100%
Synchronous Rectifier
No
Yes
Clock Sync
No
No
Serial Interfaces
-
-
Control Features
Frequency Control
Current Limit, Enable, Frequency Control, Ramp, Soft Start
Operating Temperature
-55 ℃ ~ 125 ℃ (TA)
-55 ℃ ~ 125 ℃ (TA)
Mounting Type
Surface Mount
Through Hole
Package / Case
20-LCC (J-Lead)
16-CDIP (0.300", 7.62mm)
Supplier Device Package
20-PLCC (9x9)
16-CDIP