Texas Instruments UC3843N, PWM Controller, 500 kHz 8-Pin, PDIP
- RS Stock No.:
- 661-5349
- Mfr. Part No.:
- UC3843N
- Brand:
- Texas Instruments
On back order for despatch 08/07/2024, delivery within 7 working days from despatch date.
Added
Price (ex. GST) Each (In a Pack of 5)
$2.542
(exc. GST)
$2.923
(inc. GST)
| Units | Per unit | Per Pack* |
| 5 - 10 | $2.542 | $12.71 |
| 15 - 20 | $2.50 | $12.50 |
| 25 + | $2.274 | $11.37 |
| *price indicative | ||
- RS Stock No.:
- 661-5349
- Mfr. Part No.:
- UC3843N
- Brand:
- Texas Instruments
Technical data sheets
Legislation and Compliance
Product Details
Flyback Controller, Current Control, UC18/UC28/UC38 Series, 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.
For products that are Customized and under Non-cancellable & Non-returnable, Sales & Conditions apply.
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 |
| Output Current | 1 A |
| Control Method | Current |
| Number of Outputs | 1 |
| Fall Time | 50ns |
| Mounting Type | Through Hole |
| Rise Time | 50ns |
| Package Type | PDIP |
| Pin Count | 8 |
| Topology | Boost, Buck, Flyback, Forward |
| Dimensions | 9.81 x 6.35 x 4.57mm |
| Maximum Duty Cycle | 100% |
| PWM Controller Type | Current Mode |
| Length | 9.81mm |
| Width | 6.35mm |
| Height | 4.57mm |
| Minimum Operating Temperature | 0 °C |
| Maximum Operating Temperature | +70 °C |