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

Parameter

Conditions

Unit

No.

Min.

Typ.

Max.

405

Vs(CI)wd

Saturation Voltage at CI with

IN = lo

1.5

V

406

Isc(CWD)

Pull-Up Current at CWD

V(CWD) = 0, IN = lo

2

15

µA

407

tpmin

Min. Activation Time for

Watchdog

IN = lo, CWD open

10

45

µs

Tj = 27 °C

25

µs

408

Constant for Calculating the

Watchdog Activation Time

IN = lo

0.19

0.57

µs/pF

Tj = 27 °C

0.25

µs/pF

(see Applications Information)