SY5600AFAC

Silergy
Application Note: SY5600A Flyback Controller With Primary Side CV/CC Control For PoE Application General Description Features SY5600A is a single stage Flyback controller with HV start up circuit targeting at Constant Current/Constant Voltage (CC/CV) applications. Both the output current and voltage are sensed on the primary side, eliminating the opto-isolator and the secondary side feedback...
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Application Note: SY5600A Flyback Controller With Primary Side CV/CC Control For PoE Application General Description Features SY5600A is a single stage Flyback controller with HV start up circuit targeting at Constant Current/Constant Voltage (CC/CV) applications. Both the output current and voltage are sensed on the primary side, eliminating the opto-isolator and the secondary side feedback circuitry, and minimizing the overall system cost.          SY5600A adopts the quasi-resonant operation and the adaptive PWM/PFM control to achieve the highest average efficiency and the best EMI performance. SY5600A provides reliable protections including VCC Over Voltage Protection, Short Circuit Protection (SCP), Over Temperature Protection (OTP), Output voltage OVP protection (OVP), and VSEN pin short protection. Tight Primary Side CV/CC Regulation HV Start-up Circuit Integrated PWM/PFM Control for Higher Average Efficiency Internal CC/CV Loop Compensation Maximum Switching Frequency Limitation 200kHz Driver Source/Sink Current:160mA/750mA Low Start-up Current: 3µA Maximum Reliable Protections for OVP, SCP, OTP Compact Package: SO8 Applications     Ordering Information PoE Powered Devices DC/DC Convertors Security Cameras Telecom Systems SY5600 □(□□)□ Temperature Code Package Code Optional Spec Code Ordering Number SY5600AFAC Package type SO8 Note ---- Typical Applications VOUT+ D2 R3 C3 VSEN NC ISEN R12 Q2 D3 R8 HV NC GATE SY5600A VCC R4 D1 NC C6 R13 C5 VOUT- VCC R1 GND C1 DSEN DC input C2 NC SY5230A R2 Q1 GATE C4 R7 GND R11 R9 R5 R6 R10 Fig.1 Schematic Diagram AN_SY5600A Rev.0.9 © 2019 Silergy Corp. 1 All Rights Reserved. PDF
Документация на SY5600AFAC 

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Дата модификации: 26.12.2023

Размер: 1007.8 Кб

20 стр.

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