MAX16831ATJ+T Maxim Integrated Products, MAX16831ATJ+T Datasheet - Page 16

• Manufacturer Part Number: MAX16831ATJ+T
• Description: IC LED DRIVR HIGH BRIGHT 32-TQFN
• Manufacturer: Maxim Integrated Products
• Type: HBLED Driverr

Specifications of MAX16831ATJ+T

• Topology: PWM, Step-Down (Buck), Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: No
• Type - Primary: Automotive
• Type - Secondary: High Brightness LED (HBLED), RGB
• Frequency: 125kHz ~ 600kHz
• Voltage - Supply: 5.5 V ~ 76 V
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• Operating Temperature: -40°C ~ 125°C
• Internal Switch(s): Yes
• Efficiency: 90%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Current - Output / Channel: -
• Lead Free Status / Rohs Status: Details

High-Voltage, High-Power LED Driver with
Analog and PWM Dimming Control
16
______________________________________________________________________________________
RTSYNC
CLKOUT
QGND
AGND
UVEN
REG1
DIM
REF
OV
V
OV
-
+
200Hz
OVP
-
OSC
200mV
V
V
BUF
OV
UVLO
AND
V
+
EN
-
CC
+
SHUTDOWN
3.0V
THERMAL
+
-
INTERNAL
COMP
TRIM
OSC
REG1
5V
X1
MAX16831
V
SS
SLOPE
COMP
POR
OV
EN
OC
SS
REG2
7V
SLOPE
CMP
CONTROL
BLOCK
-
+
EAMP
1.3 x V
CLMP
CLMP
PWM
UGB
SS
ILIM
HIC
+
+
-
-
-
-
SLOPE
200mV
300mV
HI
BLANKING
-
600mV +
TIME
40ns
V
DDR
V
CLMP
V
CLMP
LO
DRIVER
-
Functional Diagram
CS- CS+
10uA
R
LS
TRI
V
LO
LO
V
CLMP
REG2
DGT
CS
DRI
DRV
COMP
SGND
SNS+
SNS-
FB