UC2856NG4
UnknownIC REG CTRLR MULT TOPOLOGY 16DIP
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UC2856NG4
UnknownIC REG CTRLR MULT TOPOLOGY 16DIP
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Technical Specifications
Parameters and characteristics for this part
| Specification | UC2856NG4 |
|---|---|
| Clock Sync | True |
| Control Features | Frequency Control, Enable, Soft Start |
| Duty Cycle (Max) [Max] | 47 % |
| Frequency - Switching | 200 kHz |
| Function | Step-Up, Step-Up/Step-Down |
| Mounting Type | Through Hole |
| Number of Outputs | 2 |
| Operating Temperature [Max] | 85 °C |
| Operating Temperature [Min] | -40 °C |
| Output Configuration | Positive |
| Output Phases | 1 |
| Output Type | Transistor Driver |
| Package / Case | 0.3 in |
| Package / Case | 16-DIP |
| Package / Case | 7.62 mm |
| Supplier Device Package | 16-PDIP |
| Synchronous Rectifier | True |
| Topology | Forward Converter, Full-Bridge, Flyback, Half-Bridge, Boost, Push-Pull |
| Voltage - Supply (Vcc/Vdd) [Max] | 40 V |
| Voltage - Supply (Vcc/Vdd) [Min] | 7 V |
UC2856Q Series
40V, 1.5A current mode 1MHz PWM controller , -40C to 125C
| Part | Output Type | Synchronous Rectifier | Clock Sync | Number of Outputs | Operating Temperature [Max] | Operating Temperature [Min] | Duty Cycle (Max) [Max] | Output Phases | Topology | Frequency - Switching | Output Configuration | Control Features | Package / Case [x] | Package / Case | Package / Case [y] | Voltage - Supply (Vcc/Vdd) [Min] | Voltage - Supply (Vcc/Vdd) [Max] | Mounting Type | Supplier Device Package | Function | Package / Case | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments | Transistor Driver | 2 | 85 °C | -40 °C | 47 % | 1 | Boost Flyback Forward Converter Full-Bridge Half-Bridge Push-Pull | 200 kHz | Positive | Enable Frequency Control Soft Start | 0.295 in | 16-SOIC | 7.5 mm | 7 V | 40 V | Surface Mount | 16-SOIC | Step-Up Step-Up/Step-Down | ||||
Texas Instruments | Transistor Driver | 2 | 85 °C | -40 °C | 47 % | 1 | Boost Flyback Forward Converter Full-Bridge Half-Bridge Push-Pull | 200 kHz | Positive | Enable Frequency Control Soft Start | 0.295 in | 16-SOIC | 7.5 mm | 7 V | 40 V | Surface Mount | 16-SOIC | Step-Up Step-Up/Step-Down | ||||
Texas Instruments | Transistor Driver | 2 | 85 °C | -40 °C | 47 % | 1 | Boost Flyback Forward Converter Full-Bridge Half-Bridge Push-Pull | 200 kHz | Positive | Enable Frequency Control Soft Start | 0.295 in | 16-SOIC | 7.5 mm | 7 V | 40 V | Surface Mount | 16-SOIC | Step-Up Step-Up/Step-Down | ||||
Texas Instruments | Transistor Driver | 2 | 85 °C | -40 °C | 47 % | 1 | Boost Flyback Forward Converter Full-Bridge Half-Bridge Push-Pull | 200 kHz | Positive | Enable Frequency Control Soft Start | 16-DIP | 7 V | 40 V | Through Hole | 16-PDIP | Step-Up Step-Up/Step-Down | 0.3 in | 7.62 mm | ||||
Texas Instruments | Transistor Driver | 2 | 85 °C | -40 °C | 47 % | 1 | Boost Flyback Forward Converter Full-Bridge Half-Bridge Push-Pull | 200 kHz | Positive | Enable Frequency Control Soft Start | 0.295 in | 16-SOIC | 7.5 mm | 7 V | 40 V | Surface Mount | 16-SOIC | Step-Up Step-Up/Step-Down |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Tube | 100 | $ 4.73 | |
Description
General part information
UC2856Q Series
The UC3856 is a high performance version of the popular UC3846 series of current mode controllers, and is intended for both design upgrades and new applications where speed and accuracy are important. All input to output delays have been minimized, and the current sense output is slew rate limited to reduce noise sensitivity. Fast 1.5A peak output stages have been added to allow rapid switching of power FETs.
A low impedance TTL compatible sync output has been implemented with a tri-state function when used as a sync input.
Internal chip grounding has been improved to minimize internal \x93noise\x94 caused when driving large capacitive loads. This, in conjunction with the improved differential current sense amplifier results in enhanced noise immunity.
Documents
Technical documentation and resources
No documents available