Lzc8650c Ic — Datasheet Pdf

A . This permits the deployment of large-value startup resistors, substantially diminishing standby power draw and allowing a quick-start delay under .

Helps optimize thermal management and heatsink selections for the external MOSFET.

+---------------------------------------+ | LZC8650C | | | (From Aux Winding)|--> [ FB Pin ] ------> [ Zero Current ] | | Detector ]----+| | || (Line Sense) ----> [ OVP Pin ] ---> [ Input Line OVP ] || | || (Loop Control) <-> [ CMP Pin ] <--- [ Error Amplifier ] |v | [PWM Logic] --> [ DRV Pin ] (Gate Drive) (NTC Network) <-> [ OTP Pin ] ---> [ Thermal Foldback ]^ | || (Current Sense)--> [ CS Pin ] ---> [ LEB / Overcurrent ]| | Limit ]-------+| | | | [ VDD ] --------> [ UVLO & OVP ] | +---------------------------------------+ Comprehensive Pin Configuration and Descriptions lzc8650c ic datasheet pdf

Protects the external MOSFET from over-current destruction.

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), it linearly reduces the output current at an , allowing the luminaire to stay illuminated at a lower brightness instead of failing completely.

The ESOP-8 package has a thermal pad underneath. If this pad is not soldered to a large copper area (with thermal vias to an inner ground plane), the IC will overheat at currents above 800mA. The datasheet specifies the minimum pad size and via pattern. automated manufacturing processes.

VDRV_CLAMPcap V sub cap D cap R cap V _ cap C cap L cap A cap M cap P end-sub ): 16 V internal limit 400 ns typical Critical Built-in Protection Mechanisms

The LZC8650C is housed in a standard package, which is commonly used for surface-mount designs. This package is ideal for compact, automated manufacturing processes.