October 2003

5

MIC2044/2045

MIC2044/2045

Micrel

Symbol

Parameter

Condition

Min

Typ

Max

Units

t

FLAG

Flag Response Delay

V

25

32

40

ms

t

ON

Output Turn-on Delay

R

0.75

1

1.25

ms

t

R

Output Turn-on Rise Time

R

1.5

2.5

3.5

ms

t

OFF

Output Turn-off Delay

R

5

µs

t

F

Output Turn-off Fall Time

R

µs

Note 1.

Exceeding the absolute maximum rating may damage the device.

Note 2.

The device is not guaranteed to function outside its operating rating.

Note 3.

Devices are ESD sensitive. Handling precautions recommended. Human body model: 1.5k

Ω in series with 100pF.

Note 4.

Specification for packaged product only.

Note 5.

OFF is V

V

Note 6.

The current limit is determined as follows: I

Timing Diagrams

50%

(a) MIC2044/45-1

(b) MIC2044/45-2

10%

90%

0

0

50%

10%

90%

0

0

Figure 1. Turn-On/Turn-Off Delay

0

0

0

0

/FAULT

Increase the load

Figure 2. Overcurrent Fault Response — MIC2044-2