iC-WJB
2.7 V LASER DIODE DRIVER
Rev E1, Page 5/12
ELECTRICAL CHARACTERISTICS
Operating Conditions: VCC = 2.7...6 V, RSET = 2.7...27 kΩ, I(AMD) = 0.15...1.5 mA, Tj = -25...125 °C, unless otherwise noted.
Item Symbol
No.
Parameter
Conditions
Unit
V
Min.
Typ.
Max.
405 Vs(CI)wd Saturation Voltage at CI with
IN = lo
I(CI) = 300 µA, t(IN = lo) > tp (*)
1.5
406 Isc(CWD) Pull-Up Current at CWD
V(CWD) = 0, IN = lo
2
15
45
µA
407
tpmin
Min. Activation Time for
Watchdog
IN = lo, CWD open
Tj = 27 °C
10
µs
µs
25
Kwd (*)
408
Constant for Calculating the
Watchdog Activation Time
IN = lo
Tj = 27 °C
0.19
0.57
µs/pF
µs/pF
0.25
(*)
tp = (C(CWD) ∗ Kwd) + tpmin (see Applications Information)
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