| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
40,629 pcs
|
40629 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
|
3,000 pcs
|
3000 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
|
1,853 pcs
|
1853 pcs | On Request | 1 | On Request | On Request | 05+ | 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 | |
| Topology | |
| Voltage |
The UC3846DW from Texas Instruments is a versatile current mode PWM controller. It is designed to implement fixed-frequency, current-mode control schemes with a minimal external component count. This controller family offers superior line regulation and enhanced load response characteristics.
Key features include automatic feedforward compensation, programmable pulse-by-pulse current limiting, and automatic symmetry correction for push-pull configurations. It also provides double-pulse suppression, a ±1% band gap reference, undervoltage lockout, and soft-start capability. The device supports parallel operation for modular power systems and includes a differential current sense amplifier with a wide common-mode range.
This controller is suitable for various topologies including Boost, Flyback, Forward Converter, Half-Bridge, and Push-Pull. It operates with a frequency of 500kHz and supports a voltage range from 6.95V to 40V. The UC3846DW is available in a 16-SOIC package and is designed for surface mount applications.
Applications include telecommunication power converters and industrial power converters. The device offers control features such as current limit, enable, frequency control, and soft start.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.78 | $0.78 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The UC3846DW operates from 6.95V to 40V.
The oscillator frequency is 500kHz.
The UC3846DW is supplied in a 16-SOIC (0.295", 7.50mm Width) surface mount package.
The operating temperature range is 0°C to 70°C.
It supports boost, flyback, forward converter, half-bridge, and push-pull topologies.
Yes, it includes undervoltage lockout.