IC-WJ Datasheet, PDF (4/12 Pages) IC-Haus GmbH – LASER DIODE DRIVER

iC-WJ, iC-WJZ
LASER DIODE DRIVER
Rev C1, Page 4/12
ELECTRICAL CHARACTERISTICS
Operating Conditions: VCC = 5 V ±10 %, RSET = 2.7...27 kΩ,
iC-WJ: I(AMD) = 50...500 µA, iC-WJZ: I(AMD) = 0.15...1.5 mA, Tj = -25...125 °C, unless otherwise noted.
Item Symbol Parameter
No.
Conditions
Tj Fig.
Unit
°C
Min. Typ. Max.
Total Device
001 VCC
Permissible Supply Voltage
Range
4.5
5.5
V
002 Iav(VCC) Supply Current in VCC (average Iav(KLD) = 100 mA,
value)
f(IN) = 200 kHz ±20 %
15
mA
003 tp(IN-KLD) Delay Time Pulse Edge V(IN) to IN(hi ↔ lo), V(50 %) : I(50 %)
I(KLD)
135
ns
004 Vc()lo
Clamp Voltage lo at VCC, IN,
AMD, KLD, CI, CWD, ISET
I() = -2 mA, other pins open
-1.5
-0.3
V
005 Vc()hi
Clamp Voltage hi at IN, AMD,
KLD, GND, CI, CWD, ISET
Vc()hi = V() − VCC; I() = 2 mA,
other pins open
0.3
1.5
V
Driver
101 Vs(KLD) Saturation Voltage at KLD
IN = hi, I(KLD) = 200 mA
1.3
V
102 I0(KLD) Leakage Current in KLD
IN = lo, V(KLD) = VCC
10
µA
103 I(KLD)
Current in KLD
IN = hi, I(AMD) = 0
-25
225 250
mA
27
250
mA
70
250
mA
125
250
mA
104 V(AMD) Voltage at AMD
iC-WJ: I(AMD) = 500 µA
iC-WJZ: I(AMD) = 1.5 mA
0.5
1.5
V
0.4
1.5
V
105 tr
Current Rise Time in KLD
Imax(KLD) = 20...250 mA,
Ip(): 10 → 90 %
100
ns
106 tf
Current Fall Time in KLD
Imax(KLD) = 20...250 mA,
Ip(): 90 % → 10 %
100
ns
107 CR1()
Current Ratio I(AMD) / I(ISET)
I(CI) = 0, closed control loop;
iC-WJ
iC-WJZ
0.8
1
1.2
2.4
3
3.6
108 CR2()
Current Ratio I(AMD) / I(CI)
V(CI) = 1...3.5 V, ISET open;
iC-WJ
iC-WJZ
0.9
1
1.1
2.7
3
3.3
Input IN
201 Vt()hi
Threshold hi
1.60
2.40
V
-25
1.84
V
27
1.87
V
70
1.88
V
125
1.91
V
202 Vt()lo
Threshold lo
1.50
2.20
V
-25
1.76
V
27
1.78
V
70
1.79
V
125
1.81
V
203 Vt()hys Hysteresis
10
190 mV
-25
80
mV
27
90
mV
70
90
mV
125
100
mV
204 Rin
Pull-Down Resistor
V(IN) = -0.3...VCC + 0.3 V
4
16
kΩ
205 V0()
Open-loop Voltage
I(IN) = 0
0.1
V
206 Vtwd()
Threshold for Watchdog
-25
2.4
27
2.0
70
1.5
125
1.0
3.2
V
2.8
V
2.3
V
1.8
V
Reference und Thermal Shutdown
301 V(ISET) Voltage at ISET
1.17
1.28
V
27
1.22
V
302 CR()
Current Ratio I(CI) / I(ISET)
V(CI) = 1...3.5 V, I(AMD) = 0
0.9
1
1.1