UCC2892D
Active16V ACTIVE CLAMP CURRENT MODE PWM CONTROLLER WITH P-CHANNEL CLAMP FET AND LINE OV PROTECTION
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UCC2892D
Active16V ACTIVE CLAMP CURRENT MODE PWM CONTROLLER WITH P-CHANNEL CLAMP FET AND LINE OV PROTECTION
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Technical Specifications
Parameters and characteristics for this part
| Specification | UCC2892D |
|---|---|
| Clock Sync | True |
| Control Features | Soft Start, On Time Control, Enable, Ramp, Current Limit |
| Duty Cycle (Max) [Max] | 70 % |
| Frequency - Switching | 250 kHz |
| Function | Step-Up/Step-Down |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Operating Temperature [Max] | 85 C |
| Operating Temperature [Min] | -40 ¯C |
| Output Configuration | Isolation Capable, Positive |
| Output Phases | 1 |
| Output Type | Transistor Driver |
| Package / Case | 16-SOIC |
| Package / Case | 0.154 in, 3.9 mm |
| Supplier Device Package | 16-SOIC |
| Synchronous Rectifier | False |
| Topology | Forward Converter, Flyback |
| Voltage - Supply (Vcc/Vdd) [Max] | 16 V |
| Voltage - Supply (Vcc/Vdd) [Min] | 8.5 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | N/A | 171 | $ 2.54 | |
| 171 | $ 2.54 | |||
| 370 | $ 3.88 | |||
| 370 | $ 3.88 | |||
| Tube | 1 | $ 3.26 | ||
| 1 | $ 3.26 | |||
| 10 | $ 2.93 | |||
| 10 | $ 2.93 | |||
| 40 | $ 2.77 | |||
| 40 | $ 2.77 | |||
| 120 | $ 2.40 | |||
| 120 | $ 2.40 | |||
| 280 | $ 2.28 | |||
| 280 | $ 2.28 | |||
| 520 | $ 2.04 | |||
| 520 | $ 2.04 | |||
| 1000 | $ 1.72 | |||
| 1000 | $ 1.72 | |||
| 2520 | $ 1.64 | |||
| 2520 | $ 1.64 | |||
| 5000 | $ 1.58 | |||
| 5000 | $ 1.58 | |||
| Texas Instruments | TUBE | 1 | $ 2.83 | |
| 100 | $ 2.48 | |||
| 250 | $ 1.74 | |||
| 1000 | $ 1.40 | |||
Description
General part information
UCC2892 Series
The UCC2891/2/3/4 family of PWM controllers is designed to simplify implementation of the various active clamp/reset switching power topologies.
The UCC289x is a peak current-mode, fixedfrequency, high-performance pulse width modulator. It includes the logic and the drive capability for the auxiliary switch with a simple method of programming the critical delays for proper active clamp operation.
The UCC2891/3 includes a 110-V start-up regulator for initial start-up and to provide keep-alive power during stand-by.
Documents
Technical documentation and resources
