Micrel, Inc.

MIC3205

October 2012

4

M9999-102312-A

Symbol

Parameter

Condition

Min.

Typ.

Max.

Units

Enable Input

EN Logic Level High

2.0

V

EN Logic Level Low

0.4

V

20

60

µA

EN Bias Current

1

µA

Start-Up Time

From EN pin going high to DRV

going high

65

µs

Dimming Input

DIM Logic Level High

2.0

V

DIM Logic Level Low

0.4

V

20

50

µA

DIM Bias Current

1

µA

DIM Delay Time

From DIM pin going high to DRV

going high

450

ns

Maximum Dimming Frequency

% of switching frequency

2

%

External FET Driver

4

Ω

DRV On-Resistance

1.5

Ω

13

ns

DRV Transition Time

7

ns

Thermal Protection

Overtemperature Shutdown

160

C

Overtemperature Shutdown Hysteresis

20

C

Notes:

1.

Exceeding the absolute maximum rating can damage the device.

2.

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

3.

Devices are ESD sensitive. Handling precautions are recommended. Human body model, 1.5kΩ in series with 100pF.

4.

Specification for packaged product only.

5.

See “Sense Voltage Hysteresis Range” in the “Application Information” section.

6.

See “Frequency of Operation” in the “Application Information” section.