| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Frequency | 1 MHz |
| Number of Pins | 20 Pin |
| Supply Voltage (DC) | 10.0V (min) |
| Case/Package | SOIC-20 |
| Number of Outputs | 4 Output |
| Output Voltage | 250 mV |
| Output Current | 100 mA |
| Number of Positions | 20 Position |
| Power Dissipation | 650 mW |
| Number of Regulated Outputs | 4 Output |
| Rise Time | 20 ns |
| Switching Frequency | 1000 kHz |
| Topology | Buck |
| Duty Cycle | 100 % |
| Maximum Duty Cycle | 100 % |
| Fall Time | 20 ns |
| Operating Temperature (Max) | 70 ℃ |
| Operating Temperature (Min) | 0 ℃ |
| Power Dissipation (Max) | 650 mW |
| Supply Voltage | 10V ~ 16.5V |
| Supply Voltage (Max) | 16.5 V |
| Supply Voltage (Min) | 10 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tape & Reel (TR) |
| Size-Length | 12.8 mm |
| Size-Height | 2.35 mm |
| Operating Temperature | 0℃ ~ 70℃ |
The UCC3895DWTR is a phase-shift Pulse Width Modulation (PWM) Controller implements control of a full-bridge power stage by phase shifting the switching of one half-bridge with respect to the other. The device allows constant frequency pulse-width modulation in conjunction with resonant zero-voltage switching to provide high efficiency at high frequencies. The part is used either as a voltage-mode or current-mode controller. While the UCC3895 maintains the functionality of the UC3875/6/7/8 family and UC3879, it improves on that controller family with additional features such as enhanced control logic, adaptive delay set and shutdown capability. Because the device is built using the BCDMOS process, it operates with dramatically less supply current than it"s bipolar counterparts. It operates with a maximum clock frequency of 1MHz.
● Programmable-output turn-on delay
● Adaptive delay set
● Bidirectional oscillator synchronization
● Voltage-mode, peak current-mode, or average current-mode control
● Programmable soft-start, soft-stop and chip disable via a single pin
● 7MHz Error amplifier
● Green product and no Sb/Br
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