MAX16803EVKIT+ Maxim Integrated Products, MAX16803EVKIT+ Datasheet

EVAL KIT FOR MAX16803

MAX16803EVKIT+

Manufacturer Part Number
MAX16803EVKIT+
Description
EVAL KIT FOR MAX16803
Manufacturer
Maxim Integrated Products
Datasheets
1.MAX16803ATET.pdf (11 pages)
2.MAX16803EVKIT.pdf (5 pages)

Specifications of MAX16803EVKIT+

Current - Output / Channel
150 mA ~ 350 mA
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 MAX16803 current regulator operates from a 6.5V
to 40V input-voltage range and delivers up to a total of
350mA to one or more strings of high-brightness LEDs
(HB LEDs). The output current of the MAX16803 is
adjusted by using an external current-sense resistor in
series with the LEDs. A dimming input allows wide-
range “pulsed” PWM operation. Wave-shaping circuitry
reduces EMI. The differential current-sense input
increases noise immunity. The MAX16803 is well suited
for applications requiring high-voltage input and is able
to withstand automotive load-dump events up to 40V.
An on-board pass element minimizes external compo-
nents while providing ±3.5% output-current accuracy.
Additional features include a 5V regulated output and
short-circuit and thermal protection.
The MAX16803 is available in a thermally enhanced,
5mm x 5mm, 16-pin TQFN package and is specified
over the automotive -40°C to +125°C temperature range.
19-0532; Rev 1; 4/09
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
TOP VIEW
Automotive Interior: Map, Courtesy, and Cluster
Lighting
Automotive Exterior: Rear Combination Lights (RCLs)
Emergency Vehicle Warning Lights
Navigation and Marine Indicators
General Lighting
Signage, Gasoline Canopies, Beacons
Driver with PWM Dimming and 5V Regulator
N.C.
OUT
DIM
EN
High-Voltage, 350mA, High-Brightness LED
13
14
15
16
________________________________________________________________ Maxim Integrated Products
+
12
1
General Description
MAX16803
11
2
TQFN
Pin Configuration
10
3
Applications
9
4
8
7
6
5
N.C.
N.C.
N.C.
N.C.
♦ +6.5V to +40V Operating Range
♦ Adjustable LED Current (35mA to 350mA)
♦ ±3.5% LED Current Accuracy
♦ High-Voltage DIM Pin for Dimming Interface
♦ Integrated Pass Element with Low-Dropout
♦ +5V Regulated Output with 4mA Source
♦ Parallel Operation for LED Current > 350mA
♦ Differential LED Current Sense
♦ Low Shutdown Supply Current (12µA typ)
♦ Low 204mV Current-Sense Reference Reduces
♦ Wave-Shaped Edges Reduce Radiated EMI During
♦ Thermal Shutdown
♦ Output Short-Circuit Protection
♦ Available in Small, Thermally Enhanced,
♦ -40°C to +125°C Operating Temperature Range
+Denotes a lead(Pb)-free/RoHS-compliant package.
* EP = Exposed pad.
/V denotes an automotive qualified part.
MAX16803ATE+
MAX16803ATE/V+
Voltage (0.5V typ)
Capability
Power Losses
PWM Dimming
5mm x 5mm, 16-Pin TQFN Package
0.1µF
PWM DIMMING
+6.5V TO +40V
PART
IN
EN
DIM
MAX16803
Ordering Information
-40°C to +125°C
-40°C to +125°C
TEMP RANGE
GND
Simplified Diagram
OUT
CS+
CS-
V5
+5V REG
PIN-PACKAGE
Features
0.1µF
16 TQFN-EP*
16 TQFN-EP*
R
LEDs
SENSE
1

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MAX16803EVKIT+ Summary of contents

Page 1

... OUT TQFN ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. ♦ +6.5V to +40V Operating Range ♦ Adjustable LED Current (35mA to 350mA) ♦ ±3.5% LED Current Accuracy ♦ High-Voltage DIM Pin for Dimming Interface ♦ ...

Page 2

High-Voltage, 350mA, High-Brightness LED Driver with PWM Dimming and 5V Regulator ABSOLUTE MAXIMUM RATINGS IN, OUT, DIM, and EN to GND ...............................-0.3V to +45V CS+, CS GND ...............................................-0.3V to +6V OUT Short Circuited to GND Duration (at V ...

Page 3

High-Voltage, 350mA, High-Brightness LED Driver with PWM Dimming and 5V Regulator ELECTRICAL CHARACTERISTICS (continued +12V 0.1µF to GND -40°C to +125°C, unless otherwise noted. Typical values are at ...

Page 4

High-Voltage, 350mA, High-Brightness LED Driver with PWM Dimming and 5V Regulator ( +12V +25°C, unless otherwise noted DROPOUT VOLTAGE vs. TEMPERATURE 1.0 0.9 0.8 0.7 0 350mA LOAD 0.5 0.4 ...

Page 5

High-Voltage, 350mA, High-Brightness LED Driver with PWM Dimming and 5V Regulator ( +12V +25°C, unless otherwise noted vs. V SNSE 205 204 203 202 201 200 2.0 2.5 3.0 3.5 V ...

Page 6

High-Voltage, 350mA, High-Brightness LED Driver with PWM Dimming and 5V Regulator EN ENABLE MAX16803 Detailed Description The MAX16803 is a high-current regulator capable of providing total of 350mA of current to one or more strings of HB ...

Page 7

High-Voltage, 350mA, High-Brightness LED Driver with PWM Dimming and 5V Regulator Input-Voltage Considerations For proper operation, the minimum input voltage must always be: V ≥ IN(MIN) RSENSE(MAX) FT(MAX) where V is the total forward voltage of all ...

Page 8

High-Voltage, 350mA, High-Brightness LED Driver with PWM Dimming and 5V Regulator Two Brightness Levels for TAIL/STOP Lights Figure 4 shows PWM dimming operation for the MAX16803 with an ICM7555 timer. The ICM7555 pro- vides adjustable duty cycle using two external ...

Page 9

High-Voltage, 350mA, High-Brightness LED Driver with PWM Dimming and 5V Regulator Other Applications The application circuit in Figure 6 implements a two- level brightness current for TAIL/STOP lights. In TAIL operation off and the R1 sets the output ...

Page 10

High-Voltage, 350mA, High-Brightness LED Driver with PWM Dimming and 5V Regulator Multichannel HB LED Driver Figure 8 shows an array of MAX16803s with independent DIM control. The MAX5094C, a current-mode PWM con- troller, provides the input power to each LED ...

Page 11

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 11 © 2009 Maxim Integrated Products ...

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