MAX16802BEVKIT Maxim Integrated Products, MAX16802BEVKIT Datasheet

MAX16802BEVKIT

Manufacturer Part Number

MAX16802BEVKIT

Description

EVAL KIT FOR MAX16802

Manufacturer

Maxim Integrated Products

Datasheets

1.MAX16802BEUA.pdf (16 pages)

2.MAX16802BEVKIT.pdf (5 pages)

Specifications of MAX16802BEVKIT

Current - Output / Channel

750mA

Outputs And Type

1, Non-Isolated

Voltage - Output

12V

Features

Dimmable

Voltage - Input

10.8 ~ 30V

Utilized Ic / Part

MAX16802B

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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The MAX16802B evaluation kit (EV kit) demonstrates a

current-controlled, high-output-current LED driver

based on the MAX16802B. This EV kit is capable of

supplying stable output currents of up to 750mA, can

run at supply voltages between 10.8V and 30V, and can

operate at temperatures ranging from -40°C to +85°C.

The MAX16802B EV kit features two different types of

dimming controls using either a linear input voltage or a

PWM input signal to control the LED brightness. This EV

kit also has a UVLO feature to turn off the EV kit opera-

tion during low input supply voltage and an overvoltage

protection to protect the EV kit under an open-LED con-

dition. The MAX16802B EV kit is a fully assembled and

tested board.

Warning: Under severe fault or failure conditions, this

EV kit may dissipate large amounts of power, which

could result in the mechanical ejection of a component

or of component debris at high velocity. Operate this

EV kit with care to avoid possible personal injury.

19-0560; Rev 0; 5/06

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

DESIGNATION

C1, C2, C5, C6

C3, C4, C7

J1, J2

QTY

________________________________________________________________ Maxim Integrated Products

4.7µF, 50V X7R ceramic capacitors

Murata GRM32ER71H475KA88L

0.1µF, 50V X7R SMD ceramic

capacitors

Murata GRM188R71H104KA93D or

TDK C1608X7R1H104K

470pF, 50V X7R ceramic capacitor

Murata GRM188R71H471KA01D or

TDK C1608X7R1H471K

1nF, 50V X7R ceramic capacitor

Murata GRM188R71H102KA01D or

TDK C1608X7R1H102K

22V, 1.5W zener diode

Vishay SMZG3797B

60V, 1A Schottky diode

Central Semiconductor CMSH1-60M

or Diodes Inc. B160

20V, small-signal Schottky diode

Vishay SD103CWS or

Diodes Inc. SD103CWS

0.1in, 2-pin hole headers

(through hole)

General Description

DESCRIPTION

MAX16802B Evaluation Kit

♦ 10.8V to 30V Wide Supply Voltage Range

♦ Current-Controlled Output

♦ Up to 750mA LED Current at 12V Output

♦ Linear and PWM Dimming Control

♦ Over 80% Efficiency at Full Load

♦ Supply Undervoltage Lockout

♦ Output Overvoltage Protection

µMAX is a registered trademark of Maxim Integrated Products, Inc.

MAX16802BEVKIT

DESIGNATION

VIN, VLED,

PWM_IN,

LIN_IN

R5, R7

R10

PART

—

QTY

Ordering Information

-40°C to +85°C

TEMP RANGE

4.7µH, 4.2A peak SMD inductor

Coilcraft DO3308P-472ML

60V, 3.2A n-channel MOSFET

Vishay Si3458DV

392kΩ ±1%, 1/8W resistor (0603)

11kΩ ±1%, 1/8W resistor (0603)

499kΩ ±1%, 1/8W resistor (0603)

73.2kΩ ±1%, 1/8W resistor (0603)

1kΩ ±1%, 1/8W resistors (0603)

330Ω ±1%, 1/4W resistor (1206)

220Ω ±1%, 1/8W resistor (0603)

0.10Ω ±1%, 1/2W resistor (1206)

Susumu RL1632R-R100-F

1Ω ±5%, 1/8W resistor (0603)

MAX16802B (8-pin µMAX)

0.1in, 2-pin male connectors

(through hole)

MAX16802B PC board

Component List

DESCRIPTION

Features

IC PACKAGE

8 µMAX

Related parts for MAX16802BEVKIT

MAX16802BEVKIT Summary of contents

Page 1

... Linear and PWM Dimming Control ♦ Over 80% Efficiency at Full Load ♦ Supply Undervoltage Lockout ♦ Output Overvoltage Protection Ordering Information PART TEMP RANGE MAX16802BEVKIT -40°C to +85°C µMAX is a registered trademark of Maxim Integrated Products, Inc. DESIGNATION QTY 4.7µH, 4.2A peak SMD inductor L1 ...

Page 2

MAX16802B Evaluation Kit The MAX16802B EV kit is fully assembled and tested. Follow these steps to verify operation. Do not turn on the power supply until all connections are completed. 1) Connect a DC power supply (0 to 30V or ...

Page 3

Output Overvoltage Protection The maximum voltage at the positive pin of VLED with respect to GND is limited to 45V by a feedback network formed by R1 and R2, which is connected to the FB pin of the MAX16802B. If ...

Page 4

MAX16802B Evaluation Kit +VIN R1 R3 GND 392kΩ 499kΩ 1kΩ PWM_IN 1% D3 SD103CWS R4 J1 73.2kΩ 1% PWM_GND C9 R2 1nF 11kΩ 50V LIN_IN 1% LIN_GND J2 Figure 1. MAX16802B EV Kit Schematic 4 _______________________________________________________________________________________ C2 ...

Page 5

... 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 _____________________ 5 © 2006 Maxim Integrated Products ...

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