ic-wj iC-Haus, ic-wj Datasheet - Page 5

• Manufacturer Part Number: ic-wj
• Description: Laser Diode Driver
• Manufacturer: iC-Haus

(*)
Item
No.
ELECTRICAL CHARACTERISTICS
Operating Conditions: VCC = 5 V ±10 %, RSET = 2.7...27 k ,
iC-WJ: I(AMD) = 50...500 µA, iC-WJZ: I(AMD) = 0.15...1.5 mA, Tj = -25...125 °C, unless otherwise noted.
Power-Down and Watchdog
iC-WJ, iC-WJZ
LASER DIODE DRIVER
tp = (C(CWD)
303
304
305
401
402
403
404
405
406
407
408
Symbol
RSET
Toff
Thys
VCCon
VCCoff
VCChys
Vs(CI)off
Vs(CI)wd
Ipu(CWD) Pull-Up Current at CWD
tpmin
Kwd
(*)
Kwd) + tpmin
Parameter
Permissible Resistor at ISET
(Control Set-up Range)
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
Turn-on Threshold VCC
Undervoltage Threshold at VCC
Hysteresis
Saturation Voltage at CI with
undervoltage
Saturation Voltage at CI with
IN = lo
Min. Activation Time for
Watchdog
Constant for Calculating the
Watchdog Activation Time
(see Applications Information)
Conditions
VCChys = VCCon
I(CI) = 300 µA, VCC < VCCoff
I(CI) = 300 µA, t(IN = lo) > tp
V(CWD) = 0, IN = lo
IN = lo, CWD open
IN = lo
VCCoff
(*)
°C
27
27
Tj
Fig.
Min.
0.19
125
300
-15
2.7
3.5
3.2
10
10
Typ.
0.38
400
Rev C1, Page 5/12
3.8
Max.
0.57
150
450
4.3
3.8
1.6
1.5
50
40
45
-3
µs/pF
Unit
mV
mV
k
µA
°C
°C
µs
V
V
V
V
V