Texas Instruments UC3851N, PWM Current Mode Controller, 500 kHz, 18-Pin PDIP
- RS Stock No.:
- 661-5374
- Mfr. Part No.:
- UC3851N
- Brand:
- Texas Instruments
Discontinued product
- RS Stock No.:
- 661-5374
- Mfr. Part No.:
- UC3851N
- Brand:
- Texas Instruments
Technical Reference
Legislation and Compliance
Product Details
Flyback Controller, Voltage Control, Texas Instruments
The isolated-flyback power supply controller provides Constant-Voltage (CV) and Constant-Current (CC) output regulation to improve transient response to large load steps. Primary-Side Regulation (PSR) eliminates the need for an Optocoupler.
Flyback Controllers, Texas Instruments
Current-Mode and Voltage-Mode PWM Controller
Primary-Side Regulation
Peak Power Mode
Low Power
Primary-Side Regulation
Peak Power Mode
Low Power
Specifications
Attribute | Value |
|---|---|
| Maximum Switching Frequency | 500 kHz |
| Control Method | Current, Voltage |
| Mounting Type | Through Hole |
| Fall Time | 50ns |
| Package Type | PDIP |
| Rise Time | 50ns |
| Pin Count | 18 |
| Topology | Boost, Buck, Flyback, Forward |
| Dimensions | 22.48 x 6.35 x 4.57mm |
| Maximum Duty Cycle | 46% |
| Length | 22.48mm |
| Width | 6.35mm |
| Height | 4.57mm |
| Maximum Operating Temperature | +70 °C |
| Minimum Operating Temperature | 0 °C |