Technical Specifications
Parameters and characteristics commom to parts in this series
| Specification | UC2845BNG | UC2845 Series |
|---|---|---|
| Clock Sync | False | False |
| Control Features | Frequency Control | Frequency Control |
| Duty Cycle (Max) [Max] | 48 % | 48 % |
| Function | Step-Up/Step-Down, Step-Up | Step-Up/Step-Down, Step-Up |
| Mounting Type | Through Hole | Surface Mount, Through Hole |
| Number of Outputs | 1 | 1 |
| Operating Temperature [Max] | 85 C | 85 C |
| Operating Temperature [Min] | -25 °C | -25 °C |
| Output Configuration | Positive, Isolation Capable | Positive, Isolation Capable |
| Output Phases | 1 | 1 |
| Output Type | Transistor Driver | Transistor Driver |
| Package / Case | 8-DIP | 8-SOIC, 8-DIP, 14-SOIC |
| Package / Case | 0.3 in | 0.3 - 3.9 mm |
| Package / Case | 7.62 mm | 0.154 - 7.62 mm |
| Package / Case | - | 3.9 mm |
| Supplier Device Package | 8-PDIP | 8-SOIC, 8-PDIP |
| Synchronous Rectifier | False | False |
| Topology | Boost, Flyback | Boost, Flyback |
| Voltage - Supply (Vcc/Vdd) [Max] | 30 V | 30 V |
| Voltage - Supply (Vcc/Vdd) [Min] | 7.6 V | 7.6 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Arrow Electronics | N/A | 1 | $ 0.98 | |
| 1 | $ 1.83 | |||
| 10 | $ 0.71 | |||
| 10 | $ 0.93 | |||
| 100 | $ 0.53 | |||
| 100 | $ 0.71 | |||
| 500 | $ 0.48 | |||
| 500 | $ 0.61 | |||
| 1000 | $ 0.57 | |||
| Avnet Americas | N/A | 1300 | $ 0.53 | |
| 1400 | $ 0.52 | |||
| 1650 | $ 0.50 | |||
| 1650 | $ 0.50 | |||
| 1750 | $ 0.48 | |||
| 1750 | $ 0.48 | |||
| 2700 | $ 0.51 | |||
| 3400 | $ 0.46 | |||
| 3400 | $ 0.46 | |||
| 6500 | $ 0.50 | |||
| 8250 | $ 0.45 | |||
| 8250 | $ 0.45 | |||
| 13000 | $ 0.50 | |||
| 16500 | $ 0.43 | |||
| 16500 | $ 0.43 | |||
| Tube | 1300 | $ 0.42 | ||
| 1400 | $ 0.42 | |||
| 2700 | $ 0.42 | |||
| 6500 | $ 0.42 | |||
| 13000 | $ 0.38 | |||
| Avnet Asia | N/A | 1950 | $ 0.36 | |
| 1950 | $ 0.51 | |||
| 1950 | $ 0.51 | |||
| 1950 | $ 0.51 | |||
| 3900 | $ 0.36 | |||
| 3900 | $ 0.51 | |||
| 3900 | $ 0.51 | |||
| 3900 | $ 0.51 | |||
| 5850 | $ 0.35 | |||
| 5850 | $ 0.50 | |||
| 5850 | $ 0.50 | |||
| 5850 | $ 0.50 | |||
| 9750 | $ 0.35 | |||
| 9750 | $ 0.49 | |||
| 9750 | $ 0.49 | |||
| 9750 | $ 0.49 | |||
| 19500 | $ 0.34 | |||
| 19500 | $ 0.48 | |||
| 19500 | $ 0.48 | |||
| 19500 | $ 0.48 | |||
| 48750 | $ 0.33 | |||
| 48750 | $ 0.47 | |||
| 48750 | $ 0.47 | |||
| 48750 | $ 0.47 | |||
| 97500 | $ 0.32 | |||
| 97500 | $ 0.46 | |||
| 97500 | $ 0.46 | |||
| 97500 | $ 0.46 | |||
| Component Electronics, Inc | N/A | 1 | $ 3.08 | |
| 1 | $ 3.08 | |||
| 1 | $ 3.08 | |||
| 100 | $ 2.31 | |||
| 100 | $ 2.31 | |||
| 100 | $ 2.31 | |||
| 1000 | $ 2.00 | |||
| 1000 | $ 2.00 | |||
| 1000 | $ 2.00 | |||
| DigiKey | N/A | 1 | $ 1.98 | |
| 10 | $ 1.23 | |||
| 50 | $ 0.91 | |||
| 100 | $ 0.81 | |||
| 250 | $ 0.70 | |||
| 500 | $ 0.64 | |||
| 1000 | $ 0.58 | |||
| 2500 | $ 0.52 | |||
| 5000 | $ 0.48 | |||
| Tube | 1 | $ 2.00 | ||
| 10 | $ 1.24 | |||
| 50 | $ 0.92 | |||
| 100 | $ 0.82 | |||
| 250 | $ 0.71 | |||
| 500 | $ 0.64 | |||
| 1000 | $ 0.59 | |||
| 2500 | $ 0.53 | |||
| 5000 | $ 0.49 | |||
| Digikey | Tube | 1 | $ 1.61 | |
| 10 | $ 0.98 | |||
| 25 | $ 0.82 | |||
| 100 | $ 0.65 | |||
| 250 | $ 0.57 | |||
| 500 | $ 0.52 | |||
| 1000 | $ 0.48 | |||
| 2500 | $ 0.44 | |||
| 5000 | $ 0.41 | |||
| Farnell | N/A | 1 | $ 0.40 | |
| Future Electronics | N/A | 50 | $ 0.53 | |
| 50 | $ 0.53 | |||
| 50 | $ 0.59 | |||
| 50 | $ 0.59 | |||
| 200 | $ 0.52 | |||
| 200 | $ 0.52 | |||
| 200 | $ 0.56 | |||
| 200 | $ 0.56 | |||
| 750 | $ 0.50 | |||
| 750 | $ 0.50 | |||
| 750 | $ 0.54 | |||
| 750 | $ 0.54 | |||
| 1250 | $ 0.53 | |||
| 1250 | $ 0.53 | |||
| 1250 | $ 0.53 | |||
| 2000 | $ 0.49 | |||
| 2000 | $ 0.49 | |||
| 2500 | $ 0.50 | |||
| 2500 | $ 0.50 | |||
| 2500 | $ 0.50 | |||
| 5000 | $ 0.47 | |||
| 5000 | $ 0.47 | |||
| Tube | 1000 | $ 0.39 | ||
| 1000 | $ 0.39 | |||
| 6250 | $ 0.36 | |||
| 6250 | $ 0.36 | |||
| LCSC | N/A | 1 | $ 1.08 | |
| 1 | $ 1.08 | |||
| 1 | $ 1.08 | |||
| 10 | $ 0.90 | |||
| 10 | $ 0.90 | |||
| 10 | $ 0.90 | |||
| 30 | $ 0.80 | |||
| 30 | $ 0.80 | |||
| 30 | $ 0.80 | |||
| 100 | $ 0.69 | |||
| 100 | $ 0.69 | |||
| 100 | $ 0.69 | |||
| 500 | $ 0.64 | |||
| 500 | $ 0.64 | |||
| 500 | $ 0.64 | |||
| 1000 | $ 0.62 | |||
| 1000 | $ 0.62 | |||
| 1000 | $ 0.62 | |||
| Mouser Electronics | N/A | 1 | $ 1.60 | |
| 1 | $ 1.50 | |||
| 10 | $ 0.91 | |||
| 10 | $ 0.87 | |||
| 100 | $ 0.67 | |||
| 100 | $ 0.63 | |||
| 500 | $ 0.59 | |||
| 500 | $ 0.59 | |||
| 1000 | $ 0.56 | |||
| 1000 | $ 0.56 | |||
| New Advantage Corporation | N/A | 400 | $ 0.64 | |
| 400 | $ 0.64 | |||
| 500 | $ 0.59 | |||
| 500 | $ 0.59 | |||
| Newark | Bulk | 500 | $ 0.58 | |
| 1000 | $ 0.51 | |||
| 2500 | $ 0.41 | |||
| 10000 | $ 0.40 | |||
| Onlinecomponents.com | N/A | 50 | $ 0.58 | |
| 50 | $ 0.58 | |||
| 50 | $ 0.58 | |||
| 250 | $ 0.56 | |||
| 250 | $ 0.56 | |||
| 250 | $ 0.56 | |||
| 1000 | $ 0.53 | |||
| 1000 | $ 0.53 | |||
| 1000 | $ 0.53 | |||
| 2500 | $ 0.50 | |||
| 2500 | $ 0.50 | |||
| 2500 | $ 0.50 | |||
| 5000 | $ 0.49 | |||
| 5000 | $ 0.49 | |||
| 5000 | $ 0.49 | |||
| 7500 | $ 0.48 | |||
| 7500 | $ 0.48 | |||
| 7500 | $ 0.48 | |||
| 10000 | $ 0.47 | |||
| 10000 | $ 0.47 | |||
| 10000 | $ 0.47 | |||
| 15000 | $ 0.47 | |||
| 15000 | $ 0.47 | |||
| 15000 | $ 0.47 | |||
| RS | N/A | 50 | $ 0.88 | |
| 50 | $ 0.81 | |||
| 50 | $ 1.20 | |||
| 100 | $ 0.77 | |||
| 100 | $ 0.71 | |||
| 100 | $ 1.04 | |||
| 500 | $ 0.75 | |||
| 500 | $ 0.70 | |||
| 500 | $ 1.02 | |||
| 1000 | $ 0.73 | |||
| 1000 | $ 0.68 | |||
| 1000 | $ 1.00 | |||
| 2500 | $ 0.72 | |||
| 2500 | $ 0.66 | |||
| 2500 | $ 0.97 | |||
| Rochester Electronics | N/A | 1 | $ 0.54 | |
| 1 | $ 0.54 | |||
| 1 | $ 0.54 | |||
| 25 | $ 0.53 | |||
| 25 | $ 0.53 | |||
| 25 | $ 0.53 | |||
| 100 | $ 0.51 | |||
| 100 | $ 0.51 | |||
| 100 | $ 0.51 | |||
| 500 | $ 0.49 | |||
| 500 | $ 0.49 | |||
| 500 | $ 0.49 | |||
| 1000 | $ 0.46 | |||
| 1000 | $ 0.46 | |||
| 1000 | $ 0.46 | |||
| TME | N/A | 1 | $ 0.76 | |
| 1 | $ 0.75 | |||
| 1 | $ 0.74 | |||
| 5 | $ 0.59 | |||
| 5 | $ 0.59 | |||
| 5 | $ 0.59 | |||
| 25 | $ 0.53 | |||
| 25 | $ 0.52 | |||
| 25 | $ 0.52 | |||
| 100 | $ 0.47 | |||
| 100 | $ 0.47 | |||
| 100 | $ 0.47 | |||
| 500 | $ 0.44 | |||
| 500 | $ 0.44 | |||
| 500 | $ 0.43 | |||
| Verical | N/A | 11 | $ 0.76 | |
| 100 | $ 0.61 | |||
| 500 | $ 0.55 | |||
| 1000 | $ 0.48 | |||
| Win Source Electronics | N/A | 90 | $ 0.56 | |
| 90 | $ 0.56 | |||
| 220 | $ 0.46 | |||
| 220 | $ 0.46 | |||
| 340 | $ 0.44 | |||
| 340 | $ 0.44 | |||
| 470 | $ 0.43 | |||
| 470 | $ 0.43 | |||
| 605 | $ 0.41 | |||
| 605 | $ 0.41 | |||
| 810 | $ 0.37 | |||
| 810 | $ 0.37 | |||
UC2845 Series
IC REG CTRLR BOOST/FLYBACK 8SOIC
| Part | Output Type | Function | Output Phases | Duty Cycle (Max) [Max] | Mounting Type | Voltage - Supply (Vcc/Vdd) [Max] | Voltage - Supply (Vcc/Vdd) [Min] | Control Features | Package / Case | Package / Case | Synchronous Rectifier | Number of Outputs | Supplier Device Package | Operating Temperature [Min] | Operating Temperature [Max] | Output Configuration | Topology | Clock Sync | Package / Case | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
onsemi UC2845BD1 | Transistor Driver | Step-Up, Step-Up/Step-Down | 1 | 48 % | Surface Mount | 30 V | 7.6 V | Frequency Control | 3.9 mm | 8-SOIC | 1 | 8-SOIC | -25 °C | 85 C | Isolation Capable, Positive | Boost, Flyback | ||||
onsemi UC2845NG | Transistor Driver | Step-Up, Step-Up/Step-Down | 1 | 48 % | Through Hole | 30 V | 7.6 V | Frequency Control | 0.3 in | 8-DIP | 1 | 8-PDIP | -25 °C | 85 C | Isolation Capable, Positive | Boost, Flyback | 7.62 mm | |||
onsemi UC2845BNG | Transistor Driver | Step-Up, Step-Up/Step-Down | 1 | 48 % | Through Hole | 30 V | 7.6 V | Frequency Control | 0.3 in | 8-DIP | 1 | 8-PDIP | -25 °C | 85 C | Isolation Capable, Positive | Boost, Flyback | 7.62 mm | |||
onsemi UC2845BD1R2G | Transistor Driver | Step-Up, Step-Up/Step-Down | 1 | 48 % | Surface Mount | 30 V | 7.6 V | Frequency Control | 3.9 mm | 8-SOIC | 1 | 8-SOIC | -25 °C | 85 C | Isolation Capable, Positive | Boost, Flyback | ||||
onsemi UC2845BD | Transistor Driver | Step-Up, Step-Up/Step-Down | 1 | 48 % | Surface Mount | 30 V | 7.6 V | Frequency Control | 14-SOIC | 1 | -25 °C | 85 C | Isolation Capable, Positive | Boost, Flyback | 0.154 in | 3.9 mm | ||||
onsemi UC2845BD1R2 | Transistor Driver | Step-Up, Step-Up/Step-Down | 1 | 48 % | Surface Mount | 30 V | 7.6 V | Frequency Control | 3.9 mm | 8-SOIC | 1 | 8-SOIC | -25 °C | 85 C | Isolation Capable, Positive | Boost, Flyback | ||||
onsemi UC2845BDG | Transistor Driver | Step-Up, Step-Up/Step-Down | 1 | 48 % | Surface Mount | 30 V | 7.6 V | Frequency Control | 14-SOIC | 1 | -25 °C | 85 C | Isolation Capable, Positive | Boost, Flyback | 0.154 in | 3.9 mm | ||||
onsemi UC2845N | Transistor Driver | Step-Up, Step-Up/Step-Down | 1 | 48 % | Through Hole | 30 V | 7.6 V | Frequency Control | 0.3 in | 8-DIP | 1 | 8-PDIP | -25 °C | 85 C | Isolation Capable, Positive | Boost, Flyback | 7.62 mm | |||
onsemi UC2845BDR2G | Transistor Driver | Step-Up, Step-Up/Step-Down | 1 | 48 % | Surface Mount | 30 V | 7.6 V | Frequency Control | 14-SOIC | 1 | -25 °C | 85 C | Isolation Capable, Positive | Boost, Flyback | 0.154 in | 3.9 mm |
Description
General part information
UC2845 Series
Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-PDIP
Documents
Technical documentation and resources