19-2877; Rev 0; 5/03
MAX1582 Evaluation Kit
General Description
The MAX1582 evaluation kit (EV kit) is a fully assembled
and tested circuit board that evaluates the MAX1582
white LED step-up converter. The circuit operates from
2.6V to 5.5V and delivers 0 to 20mA to light a series of
up to six white LEDs. The evaluation kit has two groups
of white LEDs鈥攁 main group with four LEDs, and a
subgroup with two LEDs. These two groups of LEDs
have independent shutdown/enable control through
jumpers provided on the board. A flexible dimming fea-
ture allows the LED brightness to be controlled with
either an analog voltage or a PWM signal.
Features
o
Constant Current Regulation for Uniform
Illumination
o
Up to 84% Efficiency
o
Flexible Analog or PWM Dimming Control
o
Low 15mV
P-P
Input Ripple
o
0.9W Output Power with Internal 30V MOSFET
Switch
o
Output Overvoltage Protection Eliminates Zener
Diode
o
Small, Low-Profile Components
o
2.6V to 5.5V Input Range
o
0.01碌A(chǔ) Shutdown Current
o
Thin QFN 4mm x 4mm IC Package
o
Fully Assembled and Tested
Evaluates: MAX1582
Component Suppliers
SUPPLIER
Central
Semiconductor
Kamaya
Murata
Nichia
Panasonic
Sumida
Taiyo Yuden
TDK
TOKO
PHONE
631-435-1110
260-489-1533
814-237-1431
248-352-6575
714-373-7939
847-956-0666
408-573-4150
847-803-6100
847-297-0070
WEBSITE
www.centralsemi.com
www.kamaya.com
www.murata.com
www.nichia.com
www.panasonic.com
www.sumida.com
www.t-yuden.com
www.component.tdk.com
www.toko.com
Ordering Information
PART
MAX1582EVKIT
TEMP RANGE
-30擄C to +85擄C
IC PACKAGE
12 Thin QFN
Note:
When contacting these suppliers, please specify you are
using the MAX1582.
Component List
DESIGNATION QTY DESCRIPTION
2.2碌F, 6.3V X5R capacitor (0603)
Taiyo Yuden JMK107BJ225KA,
or Panasonic ECJ1VB0J225M,
or equivalent
0.1碌F, 50V X7R capacitor (0603)
TDK C1608X7R1H104KT
or equivalent
0.022碌F X7R capacitor (0603)
Taiyo Yuden TMK107BJ223KA
or equivalent
30V, 200mA Schottky diode (SOD-
323)
Central CMDSH2-3
White LEDs
Nichia NSCW215T
DESIGNATION QTY DESCRIPTION
JU1, JU2
JU3
2
1
3-pin headers
2-pin header
22碌H inductor (1210)
250mA, 710m鈩? 2.5 mm x 2.2 mm x
2.0mm
Murata LQH32CN220K
7.5鈩?鹵1% resistor (0603)
100k鈩?鹵5% resistor (0603)
MAX1582ETC (12-pin thin QFN 4 x 4)
MAX1582EBE (UCSP 4 x 4)
Shunts
MAX1582 EV kit PC board
C1
1
L1
C2
1
1
R1
R2
U1
U2
None
None
1
1
1
1
3
1
C3
1
D1
1
D2鈥揇7
6
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim鈥檚 website at www.maxim-ic.com.
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