EL6203 查看數據表（PDF） - Intersil

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EL6203

Laser Driver Oscillator

Intersil 

Block Diagram

EL6203

VDD 1

GND 2

IOUT 3

DRIVER

AUTO SHUT-OFF

OSCILLATOR

5 RFREQ

REFERENCE

AND BIAS

4 RAMP

Typical Application Circuit

TYPICAL

ROM LASER

DRIVER

GAIN

SETTING

RESISTOR

+5V

EMI

REDUCTION

SUPPLY

FILTER

BEAD

CONTROLLER

PNP

4.7µF

0.1µF

IAPC

BEAD

0.1µF

GND

1 VDD1

2 GND

3 IOUT

LASER DIODE

RFREQ 5

RAMP 4

RFREQ

RAMP

EMI

REDUCTION

FILTER

PHOTO

DIODE

AMPLITUDE

SETTING

RESISTOR

FREQUENCY

SETTING

RESISTOR

MAIN BOARD

FLEX

~10mW LASER OUTPUT

POWER

THRESHOLD

CURRENT

0mW

IAPC

0mA

ON PICKUP

LASER OUTPUT POWER

~60mA LASER CURRENT

OSCILLATOR CURRENT

7

FN7218.3

August 13, 2007

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