| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Frequency | 1 MHz |
| Number of Pins | 8 Pin |
| Supply Voltage (DC) | 3.60V (min) |
| Case/Package | SOIC-8 |
| Number of Outputs | 1 Output |
| Output Voltage | 4.06 V |
| Output Current | 1 A |
| Supply Current | 500 µA |
| Number of Positions | 8 Position |
| Number of Regulated Outputs | 1 Output |
| Rise Time | 41 ns |
| Switching Frequency | 1000 kHz |
| Topology | Boost, Flyback, Forward |
| Duty Cycle | 100 % |
| Maximum Duty Cycle | 99 % |
| Fall Time | 44 ns |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 1000 mW |
| Supply Voltage | 3.6V ~ 12V |
| Supply Voltage (Max) | 12 V |
| Supply Voltage (Min) | 3.6 V |
| Input Voltage | 3.6V ~ 12V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tube |
| Size-Length | 4.9 mm |
| Size-Width | 3.91 mm |
| Size-Height | 1.58 mm |
| Operating Temperature | -40℃ ~ 85℃ (TA) |
The UCC2803D is a low-power BiCMOS current-mode Pulse Width Modulation (PWM) Controller contains all of the control and drive components required for off-line and DC to DC fixed frequency current-mode switching power supplies with minimal parts count. It offers the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input. It has the same pin configuration as the UC2842/3/4/5 family and also offers the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input. It offers choice of maximum duty cycle and critical voltage levels.
● Internal soft start
● Internal fault soft start
● Internal leading-edge blanking of the current sense signal
● 70ns Typical response from current-sense to gate-drive output
● 1.5% Tolerance voltage reference
● Green product and no Sb/Br
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