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AP3125AKTR-G1, IC OFFLINE SWITCH FLYBACK SOT26
AP3125 AC/DC PWM Controllers
Diodes Incorporated AP3125 AC/DC PWM Controllers are optimized for high performance and low standby power in cost-effective offline fly-back converters. Designed to improve operating efficiency and eliminate no-load losses, AP3125 devices feature three operating modes. In normal mode, the switching frequency is either 65kHz or 100kHz under full load. At lighter loads, the AP3125 controllers automatically enter green mode, where frequency fold-back is used to back-off the frequency and raise average efficiency. Finally, in conditions of no-load or a very light load, AP3125 devices enter a burst mode to minimize standby power. To help minimize audible noise in the system, the SOT26-packaged AP3125 controllers have a minimum switching frequency setting of 20kHz, while a built-in frequency dithering function in normal and green modes ensures a reduction in EMI emissions. In order to help increase system reliability, AP3125 controllers integrate a complete range of protection functions. Internal over-temperature protection and fast over-current protection are included, along with over-voltage and overload protection. The AP3125B and AP3125HB variants also integrate brownout and line over-voltage protection, easily configured using a few divider resistors.
| Control Method | Current |
| Fall Time | 100ns |
| Maximum Duty Cycle | 80% |
| Maximum Operating Supply Voltage | 25 V |
| Maximum Operating Temperature | +150 °C |
| Maximum Switching Frequency | 70 kHz |
| Minimum Operating Supply Voltage | 10 V |
| Minimum Operating Temperature | -40 °C |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Output Current | 350 mA |
| Package Type | SOT-26 |
| Pin Count | 6 |
| PWM Controller Type | Current Mode |
| Rise Time | 250ns |
| Topology | Flyback |
| Width | 1.7mm |
| Brand | Diodes Incorporated |
| Duty Cycle - Max | 80% |
| Factory Pack Quantity: Factory Pack Quantity | 3000 |
| Input / Supply Voltage - Max | 25 V |
| Input / Supply Voltage - Min | 10 V |
| Manufacturer | Diodes Incorporated |
| Maximum Operating Temperature | +150 C |
| Minimum Operating Temperature | -40 C |
| Moisture Sensitive | Yes |
| Mounting Style | SMD/SMT |
| Operating Supply Current | 700 mA, 1.2 A |
| Package / Case | SOT-26-6 |
| Product Category | AC/DC Converters |
| Product Type | AC/DC Converters |
| Series | AP3125 |
| Subcategory | PMIC-Power Management ICs |
| Type | Off Line Converter |
| Case | SOT26 |
| Duty cycle factor | 70…80% |
| Frequency | 60…70kHz |
| Kind of integrated circuit | PWM controller |
| Manufacturer | DIODES INCORPORATED |
| Mounting | SMD |
| Number of channels | 1 |
| Type of integrated circuit | PMIC |
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