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ADI LT3492IFE#TRPBF product image
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ADI LT3492IFE#TRPBF

Manufacturer
ADI
MPN
LT3492IFE#TRPBF
LCSC Part #
C670735
Packaging
TSSOP-28-EP
Customer #
Key Attributes
330kHz~2.1MHz PWM 3 DC-DC 600mA 3V~30V TSSOP-28-EP LED Drivers RoHS
DatasheetADI LT3492IFE#TRPBF
RoHS Compliance1 documents available
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QtyUnit Price(Reference Only)Total Amount
1+$ 8.2931$ 8.29
200+$ 3.2105$ 642.10
500+$ 3.0963$ 1548.15
1,000+$ 3.0407$ 3040.70
Standard Packaging2000/Full Reel
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/LED Drivers
ManufacturerADI
PackagingTSSOP-28-EP
Frequency - Switching330kHz~2.1MHz
DimmingPWM
Voltage - Input(AC)-
Number of Channels3
TypeDC-DC
Switch tube (built-in/external)-
Output Voltage-
Output Current600mA
Operating Temperature-40℃~+125℃
FeaturesBuilt-in soft-start;LED open-circuit protection;Over-Temperature Protection (OTP)
TopologyBuck;Boost;Buck-Boost
Constant Current Accuracy-
Voltage - Input(DC)3V~30V
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Introduction

AI Translation

The ±7˚3492 is a triple output DC/DC converter designed to operate as a constant - current source and is ideal for driving LEDs. The LT3492 works in buck, boost or buck - boost mode. The LT3492 uses a fixed frequency, current mode architecture resulting in stable operation over a wide range of supply and output voltages. A frequency adjust pin allows the user to program switching frequency between 330kHz and 2.1MHz to optimize efficiency and external component size. The external PWM input provides 3000:1 LED dimming on each channel. Each of the three channels has a built - in gate driver to drive an external LED - disconnect P - channel MOSFET, allowing high dimming range. The output current range of each channel of the LT3492 is programmed with an external sense resistor. The CTRL pin is used to adjust the LED current either for analog dimming or overtemperature protection.

Features

AI Translation
  • True Color PWM Dimming Delivers Up to 3000:1 Dimming Ratio
  • Built - In Gate Driver for PMOS LED Disconnect
  • Three Independent Driver Channels with 600mA, 60V Internal Switches
  • Operates in Buck, Boost, Buck - Boost Modes
  • CTRL Pin Accurately Sets LED Current Sense Threshold Over a Range of 10mV to 100mV
  • Adjustable Frequency: 330kHz to 2.1MHz
  • Open LED Protection
  • Wide Input Voltage Range: Operation from 3V to 30V Transient Protection to 40V
  • Surface Mount Components
  • 28 - Lead (4mm×5mm) QFN and TSSOP Packages

Applications

AI Translation
  • RGB Lighting
  • Billboards and Large Displays
  • Automotive Lighting
  • Constant - Current Sources