Micrel, Inc.

MIC3203

March 2010

4

M9999-032910-A

Symbol

Parameter

Condition

Min.

Typ.

Max.

Units

Enable Input

EN Logic Level High

2.0

V

EN Logic Level Low

0.4

V

60

µA

EN Bias Current

1

µA

Start-Up Time

From EN Pin going high to DRV

going high

30

µs

Dimming Input

DIM Logic Level High

2.0

V

DIM Logic Level Low

0.4

V

20

50

DIM Bias Current

1

µA

DIM Delay Time

From DIM Pin going high to DRV

going high

450

ns

Maximum Dimming Frequency

20

kHz

External FET Driver

2

DRV On-Resistance

1.5

Ω

13

DRV Transition Time

7

ns

Thermal Protection

Over-Temperature Shutdown

160

Over-Temperature Shutdown Hysteresis

20

°C

Notes:

1. Exceeding the absolute maximum rating may damage the device.

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

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

4. Specification for packaged product only.

5. Guaranteed by design.