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M66510FP fiches techniques PDF

Mitsubishi - LASER-DIODE DRIVER

Numéro de référence M66510FP
Description LASER-DIODE DRIVER
Fabricant Mitsubishi 
Logo Mitsubishi 





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M66510FP fiche technique
MITMSITUSBUISBHISI HDI IGDITGAITLAALSASSPSP
M665M1606P51/0FPP/FP
DESCRIPTION
The M66510 is a semiconductor laser diode driver that drives
a semiconductor laser of the type whose cathode and the
anode of monitor photodiode are connected to the stem.
Laser driving current of up to 120mA can be set by applying
constant voltage from outside to drive the laser diode.
It operates from a 5V single power supply, allowing switching
of laser driving current at a speed of 20M bits/sec.
*: Our semiconductor laser is of R type.
FEATURES
• Built-in two outputs for monitoring laser power (comparator
output and analog output)
• With laser driving current forced off pin
• High-speed switching (20M bits/s)
• High driving current (120mA max.)
• 5V single power supply
APPLICATION
Laser beam printer
LASLAESRE-DRI-ODDIOEDDERDIVREIVRER
PIN CONFIGURATION (TOP VIEW)
VCC1
1
CURRENT SETTING
INPUT 1
CURRENT SETTING
LOAD OUTPUT 1
CURRENT SETTING
INPUT 2
CURRENT SETTING
LOAD OUTPUT 2
LASER CURRENT
FORCED OFF INPUT
CURRENT SETTING
LOAD OUTPUT 3
VL1 2
1RC 3
VL2 4
2RC 5
VOFF 6
3RC 7
GND1 8
MONITOR
LOAD INPUT 1
MONITOR
LOAD INPUT 2
1RM 9
2RM 10
20 1RO
19 2RO
18 LD
LASER CURRENT
LOAD OUTPUT 1
LASER CURRENT
LOAD OUTPUT 2
LASER DIODE
OUTPUT
17 GND2
16 PD
MONITOR DIODE
INPUT
15 DATA DATA INPUT
14 VCC2
13 CO
12 MO
11 CD
MONITOR
COMPARATOR
OUTPUT
MONITOR ANALOG
OUTPUT
DUTY
CONTROL INPUT
Outline 20P4K
BLOCK DIAGRAM
MONITOR OUTPUT
MO
12
COMPARATOR OUTPUT
CO
13
1RO
20
2RO
19
LINEAR
AMPLIFIER
COMPARATOR
(Vref = 1.2V)
CURRENT
SETTING VL1 2
INPUT 1
1RC 3
CURRENT
SETTING VL2 4
INPUT 2
2RC 5
CONSTANT CURRENT
SOURCE (IL1)
Max. 60mA
CONSTANT CURRENT
SOURCE (IL2)
Max. 30mA
3RC 7
CONSTANT CURRENT
SOURCE (IL3)
Max. 30mA
VCC1 1
VCC2 14
GND2 17
DIFFERENTIAL AMPLIFIER
CURRENT SWITCHING CIRCUIT
GND1 8
IL = IL1 + IL2 + IL3
9 10 16 18
11 15
6
1RM
2RM
PD
MONITOR
DIODE INPUT
LD
LASER
DIODE OUTPUT
CD
DUTY
CONTROL INPUT
DATA
VOFF
DATA INPUT LASER CURRENT
FORCED OFF
VL1, 1RC: LASER CURRENT (IL1) SETTING PIN
VL2, 2RC: LASER CURRENT (IL2) SETTING PIN
3RC: LASER CURRENT (IL3) SETTING PIN
VCC1, GND1: IC INTERNAL ANALOG POWER SUPPLY PIN
VCC2, GND2: IC INTERNAL DIGITAL POWER SUPPLY PIN
1

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