| UM1660DA | Low Power DC/DC Boost Converter | ACTIVE | Step-Up (Boost) Converter | 1 | 2 | 6 | 0 | 28 | 0 | Boost | Enable, Internal Soft-Start, Under Voltage Lockout | 1000 | -40 to 85 | 6/DFN6L 2.0×2.0 | Y | |
| UM1660S | Low Power DC/DC Boost Converter | ACTIVE | Step-Up (Boost) Converter | 1 | 2 | 6 | 0 | 28 | 0 | Boost | Enable, Internal Soft-Start, Under Voltage Lockout | 1000 | -40 to 85 | 5/SOT23 | Y | |
| UM1665DA | Low Power DC/DC Boost Converter | ACTIVE | Step-Up (Boost) Converter | 1 | 2 | 6 | 0 | 28 | 0 | Boost | Enable, Internal Soft-Start, Under Voltage Lockout | 1000 | -40 to 85 | 6/TDFN 3.0×3.0 | Y | |
| UM1665S | Low Power DC/DC Boost Converter | ACTIVE | Step-Up (Boost) Converter | 1 | 2 | 6 | 0 | 28 | 0 | Boost | Enable, Internal Soft-Start, Under Voltage Lockout | 1000 | -40 to 85 | 5/SOT23 | Y | |
| UM1666DA | Low Power DC/DC Boost Converter | ACTIVE | Step-Up (Boost) Converter | 1 | 2 | 6 | 0 | 28 | 0 | Boost | Enable, Internal Soft-Start, Under Voltage Lockout | 1000 | -40 to 85 | 6/DFN6L 2.0×2.0 | Y | |
| UM1666S | Low Power DC/DC Boost Converter | ACTIVE | Step-Up (Boost) Converter | 1 | 2 | 6 | 0 | 28 | 0 | Boost | Enable, Internal Soft-Start, Under Voltage Lockout | 1000 | -40 to 85 | 5/SOT23 | Y | |
| UM3429S | 600mA, 500kHz, Synchronous Step-Up DC-DC Converter | ACTIVE | Step-Up (Boost) Converter | 1 | 0.5 | 5 | 2.5 | 5 | 0.6 | Synchronous Boost | Enable, Pulse Skipping Mode, Anti-Ringing Control | 500 | -40 to 85 | 6/SOT23 | Y | |
| UM3430ADA | 1A, 1MHz, Synchronous Step-Up DC-DC Converter | ACTIVE | Step-Up (Boost) Converter | 1 | 1.2 | 5.4 | 2.5 | 5.5 | 1 | Synchronous Boost | Enable, Pulse Skipping Mode, Anti-Ringing Control | 1000 | -40 to 85 | 6/DFN 2.0×2.0 | Y | |
| UM3430AS | 1A, 1MHz, Synchronous Step-Up DC-DC Converter | ACTIVE | Step-Up (Boost) Converter | 1 | 1.2 | 5.4 | 2.5 | 5.5 | 1 | Synchronous Boost | Enable, Pulse Skipping Mode, Anti-Ringing Control | 1000 | -40 to 85 | 6/SOT23 | Y | |