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The uP1540 is a compact synchronous-rectified buck controller specifically designed to operate from 5V or 12V supply voltage and to deliver high quality output voltage as low as 0.8V. The uP1540 adopts proprietary RCOTTM technology, providing flexible selection of output LC filter and excellent transient response to load and line change. The uP1540 supports .
include internal soft start, over/under voltage protection, over current protection and shutdown function. With aforementioned functions, this part provides customers a compact, high efficiency, well-protected and cost-effective solutions. This part is available in WDFN3x310L package. Ordering Information Features Operates from 5V or 12V Supply Voltage 3.3V to 12V VIN Input Range 0.8V VREF with 1.0% Accuracy Support VCC = 5V, VIN = 19V Support Stand-Alone and Tracking Mode Operation Offset Voltage Tuning Compensated Constant On Time Operation Quasi Constant Frequency Operation.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | uP1542 |
uPI Semiconductor |
5V/12V Synchronous-Rectified Buck Controller |
|
| 2 | uP1537 |
uPI Semiconductor |
Single Synchronous Step-Down Controller |
|
| 3 | uP1537-B1 |
uPI Semiconductor |
Single Synchronous Step-Down Controller |
|
| 4 | uP1539 |
uPI Semiconductor |
Single Phase PWM Controller |
|
| 5 | uP1561 |
uPI Semiconductor |
Synchronous Buck Controller |
|
| 6 | uP1586 |
uPI Semiconductor |
Dual Synchronous Buck Controller |
|
| 7 | uP1590 |
uPI Semiconductor |
Dual Synchronous Buck Controller |
|
| 8 | UP159A |
National Semiconductor |
159 Pin Molded Plastic Pin Grid Array NS Package |
|
| 9 | UP1117B |
UniverChipSemi |
1A Bipolar Linear Regulator |
|
| 10 | UP1496 |
Unisonic Technologies |
PNP SILICON TRANSISTOR |
|
| 11 | uP1605 |
uPI Semiconductor |
Compact Dual-Phase Synchronous-Rectified Buck Controller |
|
| 12 | UP1620 |
UNISONIC TECHNOLOGIES |
PNP SILICON POWER TRANSISTOR |
|