- RS Stock No.:
- 527-328
- Mfr. Part No.:
- UC3845AD8
- Manufacturer:
- Texas Instruments
Discontinued product
- RS Stock No.:
- 527-328
- Mfr. Part No.:
- UC3845AD8
- Manufacturer:
- 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 |
Number of Outputs | 1 |
Control Method | Current |
Mounting Type | Surface Mount |
Fall Time | 50ns |
Package Type | SOIC |
Rise Time | 50ns |
Pin Count | 8 |
Topology | Boost, Buck, Flyback, Forward |
Dimensions | 4.9 x 3.91 x 1.58mm |
Maximum Duty Cycle | 50% |
Length | 4.9mm |
PWM Controller Type | Current Mode |
Width | 3.91mm |
Height | 1.58mm |
Maximum Operating Temperature | +70 °C |
Minimum Operating Temperature | 0 °C |