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MAX1583 Datasheet دیتاشیت PDF دانلود

دیتاشیت - Maxim Integrated Products - White LED Camera-Flash

شماره قطعه MAX1583
شرح مفصل White LED Camera-Flash
تولید کننده Maxim Integrated Products 
آرم Maxim Integrated Products 


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MAX1583 شرح
19-3246; Rev 0; 4/04
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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, 450m
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.

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