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