KP1051 Datasheet PDF - Kiwi Non-isolated Quasi-Resonant Buck LED Power Switch Specs

KP1051 - Non-isolated Quasi-Resonant Buck LED Power Switch

Datasheet Summary

Description

KP1051 is a highly integrated power switch with Quasi-Resonant Buck (QR-Buck) constant current (CC) control for LED lighting applications.

KP1051 combines a 500V power MOSFET switch with a power controller in one chip.

Features

Integrated with 500V MOSFET.
No Auxiliary Winding Needed.
Quasi-Resonant for High Efficiency.
Built-in Thermal Foldback.
Built-in Charging Circuit for Fast Start-Up.
±4% CC Regulation.
Very Low VDD Operation Current.
Built-in AC Line CC Compensation.
Build in Protections:.
LED Short/Open Protection.
On-Chip Thermal Fold-back (OTP).
Cycle-by-Cycle Current Limiting.
Leading Edge Blanking (LEB).
Pin Floating Protection.
VDD.

Datasheet Details

Part number	KP1051
Manufacturer	Kiwi
File Size	38.18 KB
Description	Non-isolated Quasi-Resonant Buck LED Power Switch
Datasheet	KP1051 Datasheet
Additional preview pages of the KP1051 datasheet.

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Full PDF Text Transcription

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KP1051 Non-isolated Quasi-Resonant Buck LED Power Switch FEATURES  Integrated with 500V MOSFET  No Auxiliary Winding Needed  Quasi-Resonant for High Efficiency  Built-in Thermal Foldback  Built-in Charging Circuit for Fast Start-Up  ±4% CC Regulation  Very Low VDD Operation Current  Built-in AC Line CC Compensation  Build in Protections:  LED Short/Open Protection  On-Chip Thermal Fold-back (OTP)  Cycle-by-Cycle Current Limiting  Leading Edge Blanking (LEB)  Pin Floating Protection  VDD UVLO  Available with SOT-223,SOP-8,TO-92 and SOT23-3L Package APPLICATIONS  LED Lighting TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION KP1051 is a highly integrated power switch with Quasi-Resonant Buck (QR-Buck) constant current (CC) control for LED lighting applications.

Published: Apr 22, 2018 |