MAX16823AUE+ Maxim Integrated Products, MAX16823AUE+ Datasheet - Page 10
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MAX16823AUE+
Manufacturer Part Number
MAX16823AUE+
Description
IC LED DRIVR HIGH BRIGHT 16-TQFN
Manufacturer
Maxim Integrated Products
Type
HBLED Driverr
Datasheet
1.MAX16823ATE.pdf
(12 pages)
Specifications of MAX16823AUE+
Constant Current
Yes
Topology
Linear (LDO), Open Drain, PWM
Number Of Outputs
3
Internal Driver
Yes
Type - Primary
Automotive
Type - Secondary
High Brightness LED (HBLED), RGB
Voltage - Supply
5.5 V ~ 40 V
Voltage - Output
3.41V
Mounting Type
Surface Mount
Package / Case
16-TSSOP Exposed Pad, 16-eTSSOP, 16-HTSSOP
Operating Temperature
-40°C ~ 125°C
Current - Output / Channel
100mA
Internal Switch(s)
Yes
Operating Supply Voltage
5.5 V to 40 V
Maximum Power Dissipation
2088.8 mW
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Frequency
-
Efficiency
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
High-Voltage, 3-Channel Linear High-Brightness
LED Driver with Open LED Detection
Figure 5. Increased LED Current (Amper Range) with a Single
BJT
Figure 6. Preload Current Setting
10
V
IN
PWM DIMMING
C
______________________________________________________________________________________
IN
STOP
TAIL
R
PRELOAD
IN
DIM_
MAX16823
GND
100kΩ
100kΩ
OUT_
CS_
REG
C
LGC
C
IN
C2
C
REG
R
CS_
Q1
LEDs
IN
IN
IN
DIM1
DIM2
DIM3
LGC
REG
MAX16823
Figure 6 shows the MAX16823 with a preload circuit. In
the circuit, the BJT, R
preset load current. The preset load current I
determined with the following formula:
This circuit is used with older body controllers that
monitor minimum RCL current to detect failures.
GND
OUT1
OUT2
OUT3
CS1
CS2
CS3
I
PRESET
TAIL
R
PRELOAD
=
CS1
V
R
REG
PRELOAD
TAIL
− 0 7 .
R
, and REG generate a
CS2
Preload Current
V
STOP
R
CS3
PRESET
is