| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
2,464 pcs
|
2464 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
| Category | |
| Manufacturer Name | |
| Clock Sync | |
| Control Features | |
| Duty Cycle (Max) | |
| Frequency | |
| Function | |
| Mounting Type | |
| Number of Outputs | |
| Operating Temperature | |
| Output Configuration | |
| Output Phases | |
| Output Type | |
| Supplier Device Package | |
| Synchronous Rectifier | |
| Tape & Reel | |
| Topology | |
| Voltage |
The UC1844AMDREP from Texas Instruments is an Enhanced Product Current Mode PWM Controller, offering improved features over the UC3842/3/4/5 family. It is optimized for both offline and DC-to-DC converter applications.
Key electrical specifications include an operating voltage range of 10V to 30V, a maximum duty cycle of 48%, and an operating frequency of up to 500kHz. The device supports various topologies such as Boost, Buck, Flyback, and Forward, with a transistor driver output configuration. It features essential control functions like frequency control, automatic feed-forward compensation, and pulse-by-pulse current limiting.
Designed for reliability, the UC1844AMDREP operates across an extended temperature range of -55°C to 125°C. It includes features like low start-up current (<0.5 mA), trimmed oscillator discharge current (8.3 mA), under-voltage lockout with hysteresis, and double pulse suppression. The controller is housed in an 8-SOIC package suitable for surface mounting.
This component is part of Texas Instruments' Enhanced Product line, indicating controlled baselines, one assembly/test site, one fabrication site, and enhanced DMS support. It also comes with a qualification pedigree in accordance with JEDEC and industry standards.
| Qty | Low | High |
|---|---|---|
| 1+ | $3.55 | $3.55 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operating voltage range is 10V to 30V.
The operating frequency can be up to 500kHz.
The operating temperature range is -55°C to 125°C.
It is available in an 8-SOIC package.
Yes, it is a surface mount device.
The standard package quantity is 2,500 units.