| Part Number | Description | Min VCC (V) | Max VCC (V) | Min VIN (V) | Max VIN (V) | VREF (V) | Switching Frequency (kHz) | Soft Start | Comp. | PSM | EN | POK | Max. Duty (%) | Adjustable OCP (A) | Accuracy (%) | Package |
| uP1501 | Synchronous Buck Controller | 4.5 | 13.2 | 3 | 13.2 | 0.6 0.8 | 200 300 | Int. | Ext. | ● | ● | | 90 | 375mV 225mV | 1 | SOP-8 |
| uP1502 | Synchronous Buck Controller | 10.8 | 13.2 | 3 | 13.2 | 0.8 | 150 200 | Int. | Ext. | ● | ● | | 90 | ● | 1.0 | SOP-8 PSOP-8 |
| uP1503 | Synchronous Buck Controller | 4.5 | 13.2 | 3 | 13.2 | 0.8 Ext | 200 300 | Int. | Ext. | ● | ● | ● | 90 | 375mV 300mV 225mV linear OCP | 1.0 | PSOP-8 MSOP-10 |
| uP1504 | Synchronous Buck Controller with Reference Input | 4.5 | 13.2 | 3 | 13.2 | 0.6 Ext | 200 300 | Int. | Int. | | ● | | 80 | 375mV 225mV linear OCP | 1.5 | PSOP-8 |
| uP1508 | Synchronous Buck Controller for DrMOS | 4.5 | 5.5 | NA | NA | 0.6 Ext. | Adj. | Int. | Ext. | | ● | | | ● | 1.0 | TSOT23-8 |
| uP1509 | High Voltage Synchronous Buck Controller with 2-Bit VID | 4.5 | 5.5 | 3 | 26 | Adj. | Adj. | Adj. | Ext. | ● | ● | ● | | ● | 1.2 | WQFN3x3-20 |
| uP1510 | High Voltage Synchronous Buck Controller with 2-Bit VID | 4.5 | 5.5 | 3 | 26 | Adj. | Adj. | Adj. | Ext. | ● | ● | ● | | ● | 1.2 | WQFN3x3-20 |
| uP1511 | Synchronous Buck Controller | 4.5 | 13.2 | 3 | 13.2 | 0.8 | 300 | Int. | Int. | | ● | | 80 | ● | 1.5 | PSOP-8 |
| uP1513 | Synchronous Buck Controller | 4.5 | 13.2 | 3 | 13.2 | 0.6 Ext | 200 | Int. | Int. | ● | ● | | 80 | ● | 1.5 | PSOP-8 |
| uP1514 | Synchronous Buck Controller | 4.5 | 13.2 | 3 | 13.2 | 0.8 | 300 | Int. | Int. | ● | ● | | 80 | ● | 1 | SOP-8 PSOP-8 |
| uP1515P | High Voltage Synchronous Buck Controller, VR11.1 Compliant | 4.8 | 5.2 | 7 | 26 | VR11.1 | Adj. | Adj. | Ext. | ● | ● | ● | | ● | 0.5 | VQFN4x4-28 |
| uP1515Q | High Voltage Synchronous Buck Controller, VR11.1 Compliant | 4.9 | 5.1 | 4.5 | 26 | VR11.1 | Adj. | Adj. | Ext. | ● | ● | ● | | ● | 0.5 | VQFN4x4-28 |
| uP1516 | High Voltage Synchronous Buck Controller for DrMOS, VR11.1 Compliant | 4.9 | 5.1 | 7 | 26 | VR11.1 | Adj. | Adj. | Ext. | ● | ● | ● | | ● | 0.5 | VQFN4x4-28 |
| uP1517 | High Voltage Synchronous Buck Controller, IMVP6+ and IMVP6.5 Compliant | 4.5 | 5.5 | 4.5 | 26 | IMVP6.5 | Adj. | Adj. | Ext. | ● | ● | ● | | ● | 0.5 | VQFN4x4-28 |
| uP1519 | High Voltage Synchronous Buck Controller | 4.5 | 5.5 | 3 | 28 | 0.8 | 300 | Int. | NA | ● | ● | ● | | 375mV 225mV | 1.5 | SOT23-8 |
| uP1520 | High Voltage Synchronous Buck Controller | 4.5 | 5.5 | 3 | 26 | 0.8 | 300 | Int. | NA | ● | ● | ● | | ● | 1.0 | SOT23-8 PSOP-8 |
| uP1522 | High Voltage Synchronous Buck Controller | 4.5 | 5.5 | 2 | 26 | 0.75 | Adj. | Int. | NA | ● | ● | ● | | ● | 1.0 | WQFN3x3-16 VQFN3.5x3.5-14 |
| uP1525 | Synchronous Buck Controller with 2-Bit VID | 4.5 | 13.2 | 3 | 13.2 | Adj. | Adj. | Adj. | Ext. | ● | ● | ● | 95 | ● | 1.2 | WQFN3x3-20 |
| uP1526 | High-Performance Single-Phase Synchronous-Rectified Buck Controller | 4.5 | 13.2 | 3 | 13.2 | 0.6 Ext | Adj. | Adj. | Ext. | ● | ● | ● | 95 | ● | 1.2 | WQFN3x3-16 |
| uP1527 | Single Phase PWM Controller with Programmable Output Voltage for Mobile Applications | 4.5 | 5.5 | 2 | 28 | 0.75 | Adj. | Int. | Int. | ● | ● | ● | | ● | 1.0 | WQFN3x3-16 |
| uP1529 | Synchronous Buck Controller | 4.5 | 13.2 | 3 | 13.2 | 0.8 0.6 | 200 300 | Int. | Ext. | | ● | | 90 | linear OCP | 1.0 | PSOP-8 |
| uP3871 | Synchronous Buck Controller Frequency Setting and Synchronization Input | 10.8 | 13.2 | 3 | 13.2 | 0.6 | Adj. | Adj. | Ext. | | ● | | 90 | ● | 1.0 | SOP-14 |