RT8462GS

Richtek
® RT8462 High Voltage High Current LED Driver Controller for Buck, Boost or Buck-Boost Topology General Description Features The RT8462 is a current mode PWM controller designed to drive an external MOSFET for high current LED applications. With a current sense amplifier threshold of 190mV, the LED current is programmable with one external current sense resistor. With the maximum operating i...
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Корпус SOP-14
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® RT8462 High Voltage High Current LED Driver Controller for Buck, Boost or Buck-Boost Topology General Description Features The RT8462 is a current mode PWM controller designed to drive an external MOSFET for high current LED applications. With a current sense amplifier threshold of 190mV, the LED current is programmable with one external current sense resistor. With the maximum operating input voltage of 36V and output voltage up to 60V, the RT8462 is ideal for buck, boost or buck-boost operation.  With the switching frequency programmable over 100kHz to 1MHz, the external inductor and capacitors can be small while maintaining high efficiency. Dimming can be done by either analog or digital. The builtin clamping comparator and filter allow easy low noise analog dimming conversion from digital signal with only one external capacitor. The RT8462 is available in SOP-14 and WQFN-16L 3x3 packages.        High Voltage Capability : VIN Up to 36V, LED Sensing Threshold Common Mode Voltage Up to 60V Buck, Boost or Buck-Boost Operation Programmable Switching Frequency Easy Dimming Control : Analog or Digital Converting to Analog with One External Capacitor Programmable Soft-Start to Avoid Inrush Current Programmable Over Voltage Protection VIN Under Voltage Lockout and Thermal Shutdown RoHS Compliant and Halogen Free Applications     General Industrial High Power LED Lighting Desk Lights and Room Lighting Building and Street Lighting Industrial Display Backlight Pin Configuration (TOP VIEW) Ordering Information RT8462 Package Type S : SOP-14 QW : WQFN-16L 3x3 (W-Type) Lead Plating System G : Green (Halogen Free and Pb Free) Z : ECO (Ecological Element with Halogen Free and Pb free) RSET ISW ISP ISN VC ACTL DCTL  RoHS compliant and compatible with the current requireSuitable for use in SnPb or Pb-free soldering processes. 3 12 4 11 5 10 6 9 7 8 NC NC GATE GBIAS Richtek products are : ments of IPC/JEDEC J-STD-020. 13 SOP-14 Note :  GATE GBIAS GND VCC OVP EN SS 14 2 16 15 14 13 RSET ISW ISP ISN 1 12 2 11 GND 3 10 17 4 6 7 9 8 VC ACTL DCTL SS 5 GND VCC OVP EN WQFN-16L 3x3 Copyright © 2019 Richtek Technology Corporation. All rights reserved. DS8462-09 April 2019 is a registered trademark of Richtek Technology Corporation. www.richtek.com 1 PDF
Документация на RT8462GS 

High Voltage High Current LED Driver Controller for Buck, Boost or Buck-Boost ,Topology The RT8462 is a current mode PWM controller designed to drive an external ,MOSFET for high current LED applications. With a current sense amplifier ,...

Дата модификации: 04.03.2020

Размер: 288.5 Кб

16 стр.

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