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MAX16834 Datasheet PDF

Part Series:MAX16834 Series
Category:LED Drivers
Description:LED DRVR 100Segment 5V/9V/12V/15V/18V/24V 20Pin TQFN EP
Document:MAX16834ATP+ Datasheet PDF (24 Pages)

MAX16834 LED Drivers Datasheet PDF

MAX16834 Datasheet PDF LED Drivers

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MAX16834ATP+ - Maxim Integrated Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Frequency
100kHz ~ 1MHz
Number of Pins
20 Pin
Case/Package
TQFN-20
Number of Outputs
1 Output
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MAX16834ATP+ - Maxim Integrated Function Overview

The MAX16834ATP+ is a high power LED driver with integrated high-side LED current sense and PWM dimming MOSFET driver in 20 pin TQFN package. It is a current-mode high brightness LED (HB LED) driver for boost, boost-buck, SEPIC and high side buck topologies. In addition to driving an N-channel power MOSFET switch controlled by the switching controller, it also drives an N-channel PWM dimming switch to achieve LED PWM dimming. The MAX16834 integrates all the building blocks necessary to implement a fixed frequency HB LED driver with wide-range dimming control. The MAX16834 features constant-frequency peak current mode control with programmable slope compensation to control the duty cycle of the PWM controller. A dimming driver designed to drive an external N-channel MOSFET in series with the LED string provides wide range dimming control up to 20KHz. In addition to PWM dimming, the MAX16834 provides analogue dimming using a DC input at REFI.
Supply voltage range is 4.75V to 28V
Operating temperature range from -40°C to 125°C
3000:1 PWM dimming/analogue dimming
Integrated high side current sense amplifier for LED current sense in boost-buck converter
Internal 7V low dropout regulator
100KHz to 1MHz programmable high frequency operation
External clock synchronization input
Works for input voltage greater than 28V with external voltage clamp on VIN for boost converter
Programmable UVLO, programmable true differential overvoltage protection
Fault output (FLT) for overvoltage, overcurrent and thermal warning faults
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