November 2004

9

MIC2199

MIC2199

Micrel

Minimum Pulsewidth

The MIC2199 has a specified minimum pulsewidth. This

minimum pulsewidth places a lower limit on the minimum duty

cycle of the buck converter.

Figure 5 shows the minimum output voltage versus input

supply voltage for the MIC2199. For example, for V

V

conforms to the minimum-on-time.

0.0

0.5

1.0

1.5

2.0

2.5

4.5

9.5

14.5

19.5

24.5

29.5

INPUT VOLTAGE (V)

Figure 5. Minimum Output Voltage

vs. Input Supply Voltage