MAX16834ATP/V+T Maxim Integrated Products, MAX16834ATP/V+T Datasheet - Page 8
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MAX16834ATP/V+T
Manufacturer Part Number
MAX16834ATP/V+T
Description
IC LED DRIVR HIGH BRIGHT 20-TQFN
Manufacturer
Maxim Integrated Products
Type
HBLED Driverr
Datasheet
1.MAX16834ATP.pdf
(23 pages)
Specifications of MAX16834ATP/V+T
Topology
PWM, SEPIC, Step-Down (Buck), Step-Up (Boost)
Number Of Outputs
1
Internal Driver
No
Type - Primary
Automotive, Backlight
Type - Secondary
High Brightness LED (HBLED), RGB
Frequency
100kHz ~ 1MHz
Voltage - Supply
4.75 V ~ 28 V
Mounting Type
Surface Mount
Package / Case
20-TQFN Exposed Pad
Operating Temperature
-40°C ~ 125°C
Internal Switch(s)
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Output
-
Current - Output / Channel
-
Efficiency
-
Lead Free Status / Rohs Status
Details
High-Power LED Driver with Integrated High-Side LED
Current Sense and PWM Dimming MOSFET Driver
Figure 1. Internal Block Diagram
8
PWMDIM
RT/SYNC
SENSE+
COMP
SGND
UVEN
OVP+
_______________________________________________________________________________________
REFI
SC
CS
HV
LV
IN
V
BG
V
LV
V
V
REFERENCE
BG
BG
LPF
BLANK
NDRVB
V
V
5kΩ
BG
OSC
LV
REGULATOR
HIGH-SIDE
V
V
A
LV
V
HV
5V
V
= 9.9
REF
FLTA
V
BG
UVLO
FLTB
0.3V
LDO
GENERATOR
LV REFERENCE
SWITCH
7V
CURRENT-LIMIT
COMPARATOR
LED CURRENT-
SENSE AMPLIFIERS
RAMP
AND
AMPLIFIER
ERROR
REFHI
g
m
TO
INTERNAL
CIRCUITRY
0.6V
V
LV
4.3V
0.3V
SENSE+
PWM
COMP
TEMPERATURE
SENSE
V
V
REF
IN
PWMDIM
OR
OT
5μs ERROR
128 TOSC
REJECT
V
REJECT
ERROR
DELAY
S
R
DELAY
LV
OT
AND
Q
FLTB
REFHI
AND
FLTA
NDRVB
4096 TOSC
HICCUP
TIMER
AND
MAX16834
FLTB
REF
V
NDRV
PGND
FLT
CLV
DIMOUT
CC