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PDF MAX1583 Data sheet ( Hoja de datos )
| Número de pieza | MAX1583 | |
| Descripción | White LED Camera-Flash | |
| Fabricantes | Maxim Integrated Products | |
| Logotipo |  |
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19-3246; Rev 0; 4/04
www.DataSheet4U.com
MAX1583 Evaluation Kit
General Description
The MAX1583 evaluation kit (EV kit) is a fully assembled
and tested surface-mount circuit board for evaluating
the MAX1583 white LED flash boost converter. The EV
kit accepts a 2.6V to 5.5V input voltage and drives up
to five series white LEDs with a constant current to pro-
vide camera flash/strobe in cell phones, PDAs, DSCs,
and other hand-held devices. The MAX1583 switching
frequency is 1MHz, allowing tiny external components.
Two logic inputs control four modes of operation: shut-
down mode (0.5µA max), movie mode for high-efficien-
cy continuous lighting (programmable up to 100mA),
precharge mode for charging a reservoir capacitor to
24V while the LEDs are off (POK output indicates a full
reservoir capacitor), and strobe mode for firing the flash
during an exposure with a regulated current program-
mable up to 300mA (100mA with installed compo-
nents). A pushbutton pulse generator is installed to sim-
ulate a 30ms flash pulse.
The MAX1583 comes with the MAX1583X (1A current
limit) installed, but the entire MAX1583 family can be eval-
uated with this EV kit with minor component changes.
DESIGNATION QTY
DESCRIPTION
22µF, 6.3V X5R ceramic capacitor
C1 1 (0805)
TDK C2012X5R0J226M
10µF ±10%, 25V X5S ceramic
C2 1 capacitor (1206)
Taiyo Yuden TMK316C106KL
C3, C4
0.01µF ±10%, 16V X7R ceramic
2 capacitors (0402)
TDK C1005X7R1E103K
0.1µF ±10%, 25V X7R ceramic
C5 1 capacitor (0603)
TDK C1608X7R1E104K
30V, 500mA, VF = 0.4V Schottky
D1 1 diode (SOD-323)
Diodes, Inc. B0530WS
Features
♦ Supports Up to 5 LEDs for Strobe/Flash
♦ Four Operational Modes
Strobe: Up to 300mA (Preset to 100mA)
Precharge: With POK Indicator
Movie: Up to 100mA (Preset to 20mA)
Shutdown: 0.01µA (typ) Quiescent Current
♦ Input Current Limiting
1A (MAX1583X)
500mA (MAX1583Y)
250mA (MAX1583Z)
♦ 24V Output Overvoltage Protection
♦ 80% Efficient (PLED / PIN) Movie Mode
♦ Thermal-Shutdown Protection
♦ 10-Lead 3mm x 3mm TDFN Package
♦ Surface-Mount Components
♦ Fully Assembled and Tested
Ordering Information
PART
TEMP RANGE IC PACKAGE
MAX1583EVKIT 0°C to +70°C 10 TDFN 3mm x 3mm
Note: To evaluate the MAX1583Y or MAX1583Z, request a
MAX1583YETB or MAX1583ZETB free sample with the
MAX1583 EV kit.
Component List
DESIGNATION QTY
DESCRIPTION
D2 1 White LED module
Nichia NBCW011T
30V, 100mA Schottky diode (SOD
D5 1 523)
Central Semiconductor CMOSH-3
JU1, JU2
JU3
L1
R1
R2
R3, R4, R5
SW1
2 3-pin headers
1 2-pin header
1
4.7µH, 1.06A, 450mΩ
TOKO 984FB-4R7M
1 6.04kΩ ±1% resistor (0402)
1 3.01kΩ ±1% resistor (0402)
3 100kΩ ±5% resistors (0402)
1
Momentary pushbutton switch
Panasonic EVQ-PHP03T
________________________________________________________________ Maxim Integrated Products 1
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.
1 page  
www.DataSheet4U.com
MAX1583 Evaluation Kit
Figure 2. MAX1583 EV Kit Component Placement Guide—Top
Silkscreen
Figure 3. MAX1583 EV Kit PC Board Layout—Component Side
Figure 4. MAX1583 EV Kit PC Board Layout—Solder Side
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
© 2004 Maxim Integrated Products
Printed USA
is a registered trademark of Maxim Integrated Products.
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet MAX1583.PDF ] | |
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