UCC28911D
Active700V FLYBACK SWITCHER WITH CONSTANT-VOLTAGE CONSTANT-CURRENT AND PRIMARY-SIDE REGULATION
Deep-Dive with AI
Search across all available documentation for this part.
UCC28911D
Active700V FLYBACK SWITCHER WITH CONSTANT-VOLTAGE CONSTANT-CURRENT AND PRIMARY-SIDE REGULATION
Deep-Dive with AI
Technical Specifications
Parameters and characteristics for this part
| Specification | UCC28911D |
|---|---|
| Fault Protection | Current Limiting, Over Voltage, Over Temperature |
| Frequency - Switching [Max] | 115 kHz |
| Frequency - Switching [Min] | 420 Hz |
| Internal Switch(s) | True |
| Mounting Type | Surface Mount |
| Operating Temperature [Max] | 125 °C |
| Operating Temperature [Min] | -40 C |
| Output Isolation | Isolated |
| Package / Case | 0.154 in, 3.9 mm, 7 Leads |
| Package / Case | 8-SOIC |
| Power (Watts) | 12 W |
| Supplier Device Package | 7-SOIC |
| Topology | Flyback |
| Voltage - Breakdown | 700 V |
| Voltage - Start Up | 9.5 V |
| Voltage - Supply (Vcc/Vdd) [Max] | 30 V |
| Voltage - Supply (Vcc/Vdd) [Min] | 6.5 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 | 382 | $ 1.64 | |
| Tube | 1 | $ 2.25 | ||
| 10 | $ 1.45 | |||
| 25 | $ 1.24 | |||
| 100 | $ 1.01 | |||
| 250 | $ 0.89 | |||
| 500 | $ 0.82 | |||
| 1000 | $ 0.76 | |||
| 2500 | $ 0.73 | |||
| Texas Instruments | TUBE | 1 | $ 1.44 | |
| 100 | $ 1.10 | |||
| 250 | $ 0.81 | |||
| 1000 | $ 0.58 | |||
Description
General part information
UCC28911 Series
The UCC28910 and UCC28911 are high-voltage flyback switchers that provide output voltageand current regulation without the use of an optical coupler. Both devices incorporate a 700-Vpower FET and a controller that process operating information from the flyback auxiliary windingand power FET to provide a precise output voltage and current control. The integrated high-voltage current source for startup that is switched off during device operation, and the controller current consumption is dynamically adjusted with load. Both enablethe very low stand-by power consumption.
Control algorithms in the UCC28910 and UCC28911, combining switching frequency and peakprimary current modulation, allow operating efficiencies to meet or exceed applicable standards.Discontinuous conduction mode (DCM) with valley switching is used to reduce switching losses.Built-in protection features help to keep secondary and primary component stress levels in check across the operating range. The frequency jitter helps to reduce EMI filter
The UCC28910 and UCC28911 are high-voltage flyback switchers that provide output voltageand current regulation without the use of an optical coupler. Both devices incorporate a 700-Vpower FET and a controller that process operating information from the flyback auxiliary windingand power FET to provide a precise output voltage and current control. The integrated high-voltage current source for startup that is switched off during device operation, and the controller current consumption is dynamically adjusted with load. Both enablethe very low stand-by power consumption.
Documents
Technical documentation and resources
