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LT3518 Datasheet PDF

Part Series:
LT3518 Series
Category:
LED Drivers
Description:
LED Driver 3Segment 3.3V/5V/9V/12V/15V/18V/24V Automotive 16Pin TSSOP EP Tube
Updated Time: 2023/01/13 02:54:20 (UTC + 8)

LT3518 LED Drivers Datasheet PDF

LT3518 Datasheet PDF LED Drivers

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LT3518EFE#PBF - Linear Technology Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Frequency
250kHz ~ 2.5MHz
Number of Pins
16 Pin
Case/Package
TSSOP-16
Number of Outputs
1 Output
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LT3518EFE#PBF - Linear Technology Function Overview

The LT3518EFE#PBF is a 4.5A Full Featured LED Driver with an internal 2.3A, 45V switch specifically designed to drive LEDs. The LT3518 operates as a LED driver in boost, buck mode and buck-boost mode. It combines a traditional voltage loop and an unique current loop to operate as a constant-current source or constant-voltage source. Programmable switching frequency allows optimization of the external components for efficiency or component size. The switching frequency of the LT3518 can be synchronized to an external clock signal. The LED current is externally programmable with a 100mV sense resistor. The external PWM input provides 3000:1 LED dimming. The CTRL pin provides further 10:1 dimming ratio. The LT3518 provides a complete solution for both constant-voltage and constant-current applications.
3000:1 True colour PWM™ dimming ratio
2.3A, 45V Internal switch
100mV High side current sense
Open LED protection
Adjustable 250kHz to 2.5MHz frequency
Wide input voltage range (transient protection to 40V)
Operates in boost, buck mode and buck-boost mode
Gate driver for PMOS LED disconnect
Constant-current and constant-voltage regulation
CTRL pin provides 10:1 analogue dimming
Low shutdown current (<1µA)
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