MAX16834_10 datasheet(8/23 Pages) MAXIM

Part #	MAX16834

Description	High-Power LED Driver with Integrated High-Side LED Current Sense and PWM Dimming MOSFET Driver

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Manufacturer	MAXIM [Maxim Integrated Products]

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High-Power LED Driver with Integrated High-Side LED

Current Sense and PWM Dimming MOSFET Driver

8

_______________________________________________________________________________________

MAX16834

AND

128 TOSC

ERROR

REJECT

DELAY

5

µs ERROR

REJECT

DELAY

4096 TOSC

HICCUP

TIMER

FLTB

SENSE+

4.3V

VLV

VBG

0.3V

0.6V

REFERENCE

OR

OT

AND

PWMDIM

OT

HIGH-SIDE

5V

REGULATOR

VBG

7V

LDO

RAMP

GENERATOR

PWM

COMP

OSC

BLANK

5k

Ω

0.3V

AV = 9.9

UVLO

S

REF

IN

UVEN

RT/SYNC

SC

CS

REFI

SENSE+

COMP

HV

LV

PWMDIM

OVP+

VCC

NDRV

PGND

FLT

CLV

DIMOUT

TO

INTERNAL

CIRCUITRY

CURRENT-LIMIT

COMPARATOR

LED CURRENT-

SENSE AMPLIFIERS

ERROR

AMPLIFIER

LV REFERENCE

SWITCH

Q

R

NDRVB

TEMPERATURE

SENSE

VLV

FLTA

FLTB

REFHI

FLTA

FLTB

VLV

VHV

VREF

LPF

VIN

VLV

REFHI

gm

NDRVB

SGND

Figure 1. Internal Block Diagram

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MAX16834 Datasheet(PDF) 8 Page - Maxim Integrated Products

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Similar Part No. - MAX16834_10

Similar Description - MAX16834_10

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