Rainbow-electronics MAX1583 Bedienungsanleitung PDF herunterladen (Seite 2)

MAX1583

White LED Camera-Flash

Boost Converter

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

= V

EN1

= 3.0V, V

EN2

= 0V, V

OUT

= 20V, C

OUT

= 10µF, T

= -40°C to +85°C, unless otherwise noted. Typical values are at

= +25°C. Note 1)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

IN, EN1, EN2, POK to GND ......................................-0.3V to +6V

LX, OUT to GND .....................................................-0.3V to +30V

STB, MOV to GND .......................................-0.3V to (V

+ 0.3V)

LED to GND..............................................-0.3V to (V

OUT

+ 0.3V)

...................................................................................1.2A

RMS

Continuous Power Dissipation (T

= +70°C)

10-Pin 3mm x 3mm TDFN

(derate 24.4mW/°C above +70°C).............................1951mW

Operating Temperature Range ...........................-40°C to +85°C

Junction Temperature......................................................+150°C

Storage Temperature Range .............................-65°C to +150°C

Lead Temperature (soldering, 10s) .................................+300°C

PARAMETER CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage 2.6 5.5 V

Undervoltage-Lockout Threshold V

rising, hysteresis = 40mV (typ)

2.10 2.38 2.55

OUT Input Bias Current 41015µA

LX switching, LEDs off 2

Quiescent-Current Precharge Mode

LX not switching, LEDs off

0.32

= +25°C

0.01

0.5

Quiescent-Current Shutdown Mode

EN1 = EN2 = GND

= +85°C 0.1

µA

Output Overvoltage-Lockout Threshold

OUT

rising, precharge or movie mode,

hysteresis = 500mV (typ)

22.5

25.5

LED Regulation Voltage Threshold V

LED

rising, movie mode 0.5 0.6 0.7 V

= +25°C

0.01

LED Input Leakage Current Precharge mode

= +85°C 0.1

µA

MOV, STB Regulation Voltage 600 mV

Current-Source Multiplier in Movie Mode I

LED

/ I

MOV

, I

MOV

up to 300µA 100 A/A

Current-Source Accuracy, Movie Mode R

MOV

= 2kΩ, V

LED

= 0.5V -7 ±1 +7 %

MOV Current-Source Dropout Voltage I

LED

= 25mA, R

MOV

= 2kΩ 0.1 V

Current-Source Multiplier in Strobe Mode

LED

/ I

STB

, I

STB

up to 300µA

1000

A/A

Current-Source Accuracy, Strobe Mode R

STB

= 2kΩ, V

LED

= 3.0V -10

±1.5 +10

STB Current-Source Dropout Voltage I

LED

= 250mA, R

STB

= 2kΩ 0.9 V

MAX1583X

800 1000 1200

MAX1583Y

400

500

600

Current Limit

MAX1583Z

200

250

300

POK Low Voltage I

SINK

= 1mA

0.05

0.1 V

= +25°C

0.01

POK Leakage

= +85°C 0.1

µA

1 2 3 4 5 6 7 8 9 10

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