MAX16800ATE+T Maxim Integrated Products, MAX16800ATE+T Datasheet

IC LED DRIVR HIGH BRIGHT 16-TQFN

MAX16800ATE+T

Manufacturer Part Number
MAX16800ATE+T
Description
IC LED DRIVR HIGH BRIGHT 16-TQFN
Manufacturer
Maxim Integrated Products
Type
HBLED Driverr
Datasheet
1.MAX16800ATEV.pdf (8 pages)

Specifications of MAX16800ATE+T

Topology
Linear (LDO), PWM
Number Of Outputs
1
Internal Driver
Yes
Type - Primary
Automotive
Type - Secondary
High Brightness LED (HBLED)
Voltage - Supply
6.5 V ~ 40 V
Voltage - Output
5.27V
Mounting Type
Surface Mount
Package / Case
16-TQFN Exposed Pad
Operating Temperature
-40°C ~ 125°C
Current - Output / Channel
350mA
Internal Switch(s)
Yes
Operating Supply Voltage
6.5 V to 40 V
Maximum Power Dissipation
2666.7 mW
Maximum Operating Temperature
+ 125 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
 Details
The MAX16800 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.
The output current of the MAX16800 is adjusted by
using an external current-sense resistor in series with
the LEDs. An enable input allows wide-range “pulsed”
dimming. Wave-shaping circuitry reduces EMI. The dif-
ferential current-sense input increases noise immunity.
The MAX16800 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 ele-
ment minimizes external components while providing
±3.5% output current accuracy. Additional features
include a 5V regulated output and short-circuit and
thermal protection.
The MAX16800 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.
19-3803; 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: Tail Lights and CHMSL
Warning Lights for Emergency Vehicles
Navigation and Marine Indicators
General Illumination
Signage, Gasoline Canopies, Beacons
N.C.
N.C.
OUT
EN
13
14
15
16
________________________________________________________________ Maxim Integrated Products
High-Voltage, 350mA, Adjustable Linear
+
12
1
General Description
MAX16800
11
2
TQFN
High-Brightness LED (HB LED) Driver
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 Level (35mA to 350mA)
♦ ±3.5% Output Current Accuracy
♦ Integrated Pass Element with Low-Dropout
♦ Output Short-Circuit Protection
♦ +5V Regulated Output with 4mA Source
♦ Thermal Shutdown
♦ Differential LED Current Sense
♦ High-Voltage Enable Pin for Dimming Interface
♦ Low Shutdown Supply Current (12μA typ)
♦ Low 204mV Current-Sense Reference Reduces
♦ Wave-Shaped Soft Edges Reduce Radiated EMI
♦ Available in Small, Thermally Enhanced,
♦ -40°C to +125°C Operating Temperature Range
+ Denotes a lead(Pb)-free/RoHS-compliant package.
* EP = Exposed paddle.
/V denotes an automotive qualified part.
MAX16800ATE+
MAX16800ATE/V+
Voltage (0.5V typ)
Capability
Power Losses
During PWM Dimming
5mm x 5mm, 16-Pin TQFN Package
PWM DIMMING
0.1μF
+6.5V TO +40V
PART
IN
EN
-40°C to +125°C
-40°C to +125°C
TEMP RANGE
Ordering Information
MAX16800
GND
Simplified Diagram
OUT
CS+
CS-
V5
+5V REG
PIN-PACKAGE
16 TQFN-EP*
16 TQFN-EP*
Features
0.1μF
R
LEDs
SENSE
1

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MAX16800ATE+T 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 Level (35mA to 350mA) ♦ ±3.5% Output Current Accuracy ♦ Integrated Pass Element with Low-Dropout Voltage (0.5V typ) ♦ ...

Page 2

High-Voltage, 350mA, Adjustable Linear High-Brightness LED (HB LED) Driver ABSOLUTE MAXIMUM RATINGS IN, OUT, and EN to GND........................................-0.3V to +45V CS GND .......................................................-0.3V to +6V CS- to GND............................................................-0.3V to +0.3V OUT Short Circuited to GND Duration (at V ...

Page 3

High-Voltage, 350mA, Adjustable Linear High-Brightness LED (HB LED) Driver ELECTRICAL CHARACTERISTICS (continued +12V 0.1µF to GND CS+ (Note 1 -40°C to +125°C, unless otherwise noted. Typical ...

Page 4

High-Voltage, 350mA, Adjustable Linear High-Brightness LED (HB LED) Driver ( +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 0.3 0.2 ...

Page 5

High-Voltage, 350mA, Adjustable Linear High-Brightness LED (HB LED) Driver PIN NAME 1, 16 OUT Current-Regulated Output. Connect pin 1 to pin 16 Positive Input Supply. Bypass IN with a 0.1µF (min) capacitor to GND. Connect pin 2 ...

Page 6

High-Voltage, 350mA, Adjustable Linear High-Brightness LED (HB LED) Driver power series pass device (see the Functional Diagram ). The regulation point is factory set 204mV ±3.5%. The regulated current is user CS- defined by the ...

Page 7

High-Voltage, 350mA, Adjustable Linear High-Brightness LED (HB LED) Driver Typical Operating Circuit OUT EN N.C. N.C. 1 OUT GND MAX16800 3 IN CS- 4 N.C. CS+ N.C. N.C. N.C. N.C. 5 ...

Page 8

... 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. 8 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2009 Maxim Integrated Products ...

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