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© 2007
LDTC0520 / LDTC1020
PAGE 5
LDTC1020-00400-A Rev B
250
75
505
12
4.6
9.2
20
15
2000
V
CC
1
0.2
0.3
200
50
.019
.011
500
300
300
2.0
15
99%
250
500
2.7
5.4
2
10
450
64
43
10
100
CONSTANT CURRENT CONTROL
Short Term Stability, 1 hour
Long Term Stability, 24 hours
CONSTANT POWER CONTROL
Short Term Stability, 1 hour
Long Term Stability, 24 hours
OUTPUT
Current, peak, see SOA chart
Compliance Voltage, Laser Diode Load
Rise Time
Fall Time
Bandwidth
Bandwidth
Delayed Start
Slow Start Ramp Rate
Depth of Modulation
Transfer Function
POWER SUPPLY
Voltage, V
CC
Current, V
DD
supply, quiescent
V
S
(Voltage at LD Anode)
INPUT
Input Impedence
Offset Voltage, initial, I
mon
Bias Current
(based on input Res of op amp)
Common Mode Range
Common Mode Rejection, Set point
Power Supply Rejection
THERMAL
Heatspreader Temperature Rise
Pin Solderability
NOISE
Noise and Ripple (RMS)
Leakage Current
TYP
MIN
MAX
UNITS
TEST CONDITIONS
T
AMBIENT
= 25˚C
T
AMBIENT
= 25˚C
T
AMBIENT
= 25˚C
T
AMBIENT
= 25˚C
Single FL500 driver
Full Temp Range, ILD= 500 mA
I
LD
= 500 mA
I
LD
= 500 mA
Constant Current, Sine Wave
Constant Power (Depends on PD BW)
100kHz sine wave
LDTC0520
LDTC1020
LDTC0520
LDTC1020
Pin 2, T
AMBIENT
= 25˚C, V
CM
= 0V
Pin 2, T
AMBIENT
= 25˚C, V
CM
= 0V
Pin 2, Full Temp. Range
Full Temperature Range
Full Temperature Range
T
AMBIENT
= 25˚C
Solder temp @ 260˚C
I
LD
= 100 mA
Vset = 0, Reset = 0
Vset = 0, Reset = 1
Vset = 2, Reset = 1
PARAMETER
ppm
ppm
%
%
mA
Volts
nsec
nsec
MHz
msec
mA/msec
mA/V
mA/V
Volts
mA
mA
V
k
Ω
mV
nA
V
dB
dB
˚C/W
Sec
uA
mA
mA
mA
495
100
3
2.2
4.4
V
CC
0
46
60
V
CC
- (.5 x V
Set
)
ELECTRICAL AND OPERATING SPECIFICATIONS,
FL500, Laser Diode Driver
