MAX16814BUUP+ datasheet(10/25 Pages) MAXIM

Part #	MAX16814BUUP+

Description	Integrated, 4-Channel, High-Brightness LED Driver with High-Voltage DC-DC Controller

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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10 / 25 page

Integrated, 4-Channel, High-Brightness LED Driver

with High-Voltage Boost and SEPIC Controller

10 _____________________________________________________________________________________

Figure 1. Simplified Functional Diagram

FAULT FLAG

LOGIC

TSHDN

(

= 50FA x fsw)

0.425V

OVP

COMP

ILIM

MAX16814

CS BLANKING

TSHDN

PWM

LOGIC

DRV

CLK

1.8V

NDRV

PGND

RT

CS

THERMAL

SHUTDOWN

SOFT-START

100ms

BANDGAP

VREF

SS_REF

SS_DONE

UVLO

5V LDO

REGULATOR

SLOPE

COMPENSATION

RAMP/RT OSC

LOGIC

(REF/FB

SELECTOR)

SHORT LED

DETECTOR

RSDT

FLT

POKD

VREF

LEDGND

OUT_

DIM

OPEN-LED

DETECTOR

LOGIC

MIN STRING

VOLTAGE

UNUSED

STRING

DETECTOR

SHDN

TSHDN

COMP

IN

VCC

EN

FB

POKD

POK

VBG = 1.235V

VBG

SGND

SETI

OVP

SHDN

REF

gM

R

P

SGND

di

dt

1.23V

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MAX16814BUUP+ Datasheet(PDF) 10 Page - Maxim Integrated Products

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