Документация
ИС коррекции коэффициента мощности
У поставщика
ПроизводительLeadTrend
У поставщиков
189 шт.
Норм. уп.: 50
Цены поставщиков
Склад 13
В наличии:189 шт
Срок поставки: до недели
Норм. уп.: 50
Минимальная партия: 14 шт
| Кол-во, шт. | Цена, ₽ |
|---|---|
| от 1 | 52,36 |
| от 16 | 49,02 |
| от 31 | 45,89 |
| от 50 | 43,56 |
| от 150 | 41,45 |
Описание
Микросхема коррекции коэффициента мощности (PFC) от LeadTrend в компактном корпусе SO-8. Работает с током до 1.2 А, обеспечивая высокий коэффициент мощности на уровне 0.8. Применяется в импульсных блоках питания, LED-драйверах и промышленной автоматике.
Технические характеристики
| ESD (мм) | 250V |
| ЭСР HBM | 2.5kV |
| Корпус | SOP-8 |
| Особенности | Transition mode of PFC pre-regulator, Voltage mode control, Programmable max. on-time, Low Startup Current (<30uA), UVLO (Under Voltage Lockout), LEB (Leading-Edge Blanking) on CS Pin, Open-Feedback Protection and Disable Function, OVP (Over Voltage Protection), OCP (Cycle by cycle current limiting), 800/-1200mA Driving Capability, Internal OTP function |
| Leb time | 250ns |
| Тип монтажа | SMD |
| Shipping | 2500/tape & reel |
| Top mark | LD7591GS |
| Кол-во выводов | 8 |
| Описание | Transition-Mode PFC Controller with Fault Condition Protection |
| Артикул | LD7591GS |
| Uvlo on max | 13.0V |
| Uvlo on min | 11.0V |
| Uvlo on typ | 12.0V |
| Vcc ovp max | 22.5V |
| Vcc ovp min | 19.5V |
| Vcc ovp typ | 21V |
| Применение | Adaptor of Output above 65W, Open Frame Switching Power Supply, LCD TV Power Supply, LED Power Supply |
| Min off time | 1us |
| Uvlo off max | 9.5V |
| Uvlo off min | 7.5V |
| Uvlo off typ | 8.5V |
| Otp hysteresis | 30C |
| Otp trip level | 140C |
| Zcd hysteresis | 0.1V |
| Out voltage max | VCC+0.3V |
| Inv ovp trip max | 2.73V |
| Inv ovp trip min | 2.62V |
| Inv ovp trip typ | 2.675V |
| Transconductance | 140umho |
| Enable hysteresis | 0.1V |
| Ramp resistor typ | 40.5kOhm |
| Inv ovp hysteresis | 0.175V |
| Out voltage abs min | -0.3V |
| Output sink current | 14uA |
| Startup current max | 30uA |
| Startup current min | 20uA |
| Startup current typ | 20uA |
| Enable threshold max | 0.5V |
| Enable threshold min | 0.4V |
| Enable threshold typ | 0.45V |
| Gate rising time max | 150ns |
| Gate rising time min | 75ns |
| Burst mode hysteresis | 50mV |
| Gate falling time max | 100ns |
| Gate falling time min | 25ns |
| Gate output low level | 0.5V |
| Output source current | -14uA |
| Cs input threshold max | 0.85V |
| Cs input threshold min | 0.75V |
| Cs input threshold typ | 0.8V |
| Макс. входной ток смещения | 0.5uA |
| Input bias current min | -0.5uA |
| Start timer period max | 300us |
| Start timer period min | 50us |
| Start timer period typ | 150us |
| Supply voltage vcc max | 26V |
| Max on time voltage max | 3.016V |
| Max on time voltage min | 2.784V |
| Max on time voltage typ | 2.900V |
| Макс. темп. хр. | 150C |
| Мин. темп. хр. | -65C |
| Thermal resistance dip8 | 100C/W |
| Thermal resistance sop8 | 160C/W |
| Zcd input threshold max | 0.15V |
| Zcd input threshold min | 0.05V |
| Zcd input threshold typ | 0.1V |
| Zcd lower clamp voltage | -0.7V |
| Zcd to output max delay | 250ns |
| Zcd upper clamp voltage | 6.0V |
| Тип упаковки | Tape and Reel (лента в катушке) |
| Gate output current sink | -1200mA |
| Макс. темп. перехода | 150C |
| Max on time ramp ge 100k | 40us |
| Min off time programming | 0.10 |
| Burst mode comp threshold | 0.95V |
| Cs input bias current max | 1.0uA |
| Operating current comp 0v | 2.0mA |
| Operating current comp 3v | 2.5mA |
| Operating current vcc ovp | 0.45mA |
| Feedback input voltage max | 2.535V |
| Feedback input voltage min | 2.465V |
| Feedback input voltage typ | 2.500V |
| Gate output current source | 800mA |
| Gate output high level max | 12V |
| Gate output high level min | 9V |
| Output source current high | -200uA |
| Supply voltage vcc abs min | -0.3V |
| Zcd input bias current max | 1.0uA |
| Max on time programming max | 29us |
| Max on time programming min | 19us |
| Max on time programming typ | 24us |
| Gate output high clamp level | 13V |
| Operating current inv 0v max | 95uA |
| Operating current inv 0v min | 65uA |
| Описание (англ.) | PFC 0.8/1.2A |
| Power dissipation dip8 at 85c | 650mW |
| Power dissipation sop8 at 85c | 400mW |
| Recommended ramp resistor max | 100kOhm |
| Recommended ramp resistor min | 4.7kOhm |
| Recommended vcc capacitor max | 47uF |
| Recommended vcc capacitor min | 22uF |
| Lead temperature soldering 10s | 260C |
| Output upper clamp voltage max | 6.4V |
| Output upper clamp voltage min | 5.4V |
| Output upper clamp voltage typ | 5.9V |
| Recommended comp capacitor max | 4.7uF |
| Recommended comp capacitor min | 0.1uF |
| Comp inv cs ramp zcd voltage max | 7V |
| Operating ambient temperature max | 85C |
| Operating ambient temperature min | -40C |
| Макс. темп. перехода | 125C |
| Мин. темп. перехода | -40C |
| Comp inv cs ramp zcd voltage abs min | -0.3V |
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