TPE15018-QF5R

3PEAK
PoE PD Solution with PSR or SSR Active Clamp Flyback Converter
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Технические характеристики

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Корпус QFN193X4
Топология
Максимальное напряжение силового ключа
Максимальный ток силового ключа
Номинальная мощность
Максимальная частота преобразователя
Максимальная скважность преобразователя
Ток собственного потребления
Примечание PoE PD PSR or SSR Active Clamp Flyback Converter
Рабочая температура
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Файлы 1

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TPE15017, TPE15018 PoE PD Solution with PSR or SSR Active Clamp Flyback Converter Features Description • • • The TPE1501x (TPE15017 or TPE15018) is a monolithic power over ethernet (PoE) powered devices (PD) with integrated PD interface and fly-back power converter. The device supports IEEE 802.3af standard interface and targets for small-size 13-W isolated PoE applications. Compatible with 802.3af Specifications 100-V 0.56-Ω PD Input MOSFET Active Clamp Primary-Side Regulated (PSR) Flyback without Aux-winding • Active Clamp Secondary-Side Regulated (SSR) Flyback through Opto-coupler • • • • • • • • • • 0.36-Ω and 0.78-Ω Integral Flyback MOSFETs • Available in 3×4 19-pin QFN Package The PD interface has all the functions of IEEE 802.3af, including detection, classification, inrush current, operation current limit, and 100-V hot-swap MOSFET. Programmable up to 650-kHz Frequency To achieve small size and high-switching frequency, the TPE1501x fly-back converter is specifically designed with active clamp primary-side regulation (PSR) fly-back topology. TPE1501x can also be set in secondaryside regulation (SSR) active clamped fly-back topology, which can get best regulation through opto-coupler from secondary side. 1.5-A Switching Current Limit Output Diode Compensation in PSR Mode Programmable Soft-Start Time Frequency Foldback during Startup and Protection Maintain Power Signature in Light Load (TPE15017) The TPE15017 automatically sinks 15-mA pulse current as the maintain power signature (MPS) in light load condition to maintain the connection with the PSE equipment and turns off the MPS current when the load current is above the MPS threshold. The TPE15018 disables the MPS function. EMI Reduction with Frequency Dithering Hiccup OLP, OVP, and OTP Protection Operating TJ Temperature Range from −40°C ~ +125°C The TPE1501x is available in 3mm x 4mm QFN-19 package. Applications • • • • • IEEE 802.3af-Compliant Devices Security Camera VoIP Phones WLAN Access Points IoT Devices Typical Application Circuit C2 37V~57V CP VDD 12V T1 VBUS C3 C1 R1 SNBR D1 C9 C4 BST DET CLASS SW R2 R6 FB AGND COMP VCC VDIODE C8 FSW R3 www.3peak.com C5 TPE15017 R4 R5 SS C7 M/D C6 PGND 1 / 34 EA20231203A2 PDF
Документация на TPE15017, TPE15018 

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Дата модификации: 09.09.2026

Размер: 4.53 Мб

34 стр.

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