Dual-output step-down DC/DC controller IC featuring a maximum switching frequency of 300 kHz. This through-hole component, housed in an 18-pin PDIP package (MS-001AC), supports output voltages from 2 to 3.5 V. It operates with an input voltage range of 4.5 to 36 V and has a maximum supply current of 12 mA, with an operating temperature range of 0 °C to 70 °C.
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Texas Instruments UC3870N-1 technical specifications.
| Basic Package Type | Through Hole |
| Package Family Name | DIP |
| Package/Case | PDIP |
| Package Description | Plastic Dual In Line Package |
| Lead Shape | Through Hole |
| Pin Count | 18 |
| PCB | 18 |
| Package Length (mm) | 23.37(Max) |
| Package Width (mm) | 6.6(Max) |
| Package Height (mm) | 5.08(Max) - 0.51(Min) |
| Seated Plane Height (mm) | 5.08(Max) |
| Pin Pitch (mm) | 2.54 |
| Package Material | Plastic |
| Mounting | Through Hole |
| Jedec | MS-001AC |
| Topology | Step Down |
| Number of Outputs | 2 |
| Output Voltage | 2 to 3.5V |
| Maximum Switching Frequency | 300kHz |
| Min Operating Temperature | 0°C |
| Max Operating Temperature | 70°C |
| Maximum Input Voltage | 36V |
| Minimum Input Voltage | 4.5V |
| Operating Supply Voltage | 4.5 to 36V |
| Maximum Supply Current | 12mA |
| Cage Code | 01295 |
| HTS Code | 8542390001 |
| Schedule B | 8542390000 |
| ECCN | EAR99 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2002/95/EC |
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