MAX16803EVKIT+BJT Maxim Integrated Products, MAX16803EVKIT+BJT Datasheet - Page 9
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MAX16803EVKIT+BJT
Manufacturer Part Number
MAX16803EVKIT+BJT
Description
EVAL KIT FOR MAX16803
Manufacturer
Maxim Integrated Products
Specifications of MAX16803EVKIT+BJT
Current - Output / Channel
1A
Outputs And Type
1, Non-Isolated
Voltage - Output
38V
Features
Dimmable, Extra 5V Output
Voltage - Input
6.5 ~ 40V
Utilized Ic / Part
MAX16803
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The application circuit in Figure 6 implements a two-
level brightness current for TAIL/STOP lights. In TAIL
operation, Q1 is off and the R1 sets the output current.
In STOP operation, Q1 turns on and the output current
is set by a parallel combination of R1 and R2.
Figure 6. Two Brightness Level with Current Level Switch for Tail/Stop Lights
Figure 7. Increased LED Current (Amper Range) with a Single BJT
Driver with PWM Dimming and 5V Regulator
High-Voltage, 350mA, High-Brightness LED
_______________________________________________________________________________________
STOP
TAIL
V
IN
C1
C1
Other Applications
PWM DIMMING
V5
IN
EN
DIM
GND
IN
EN
DIM
GND
MAX16803
MAX16803
OUT
CS+
CS-
V5
Figure 7 shows an application circuit with the
MAX16803 using a single BJT to provide high output
current. For proper operation:
where V
of the external BJT.
V
OUT
CS+
CS-
V5
IN(MIN)
CESAT(MAX)
C2
> V
LEDs
C2
R1
CESAT(MAX)
is the maximum saturation voltage
Q1
LEDs
Q1
R
SENSE
+ V
R2
FT(MAX)
+ V
RSENSE
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