ML4818 datasheet(7/12 Pages) MICRO-LINEAR

Numer części	ML4818

Szczegółowy opis	Phase Modulation/Soft Switching Controller

PDF	12 Pages

Scroll/Zoom	100%

Producent	MICRO-LINEAR [Micro Linear Corporation]

Strona internetowa	http://www.microlinear.com

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7 / 12 page

ML4818

120

100

180

135

100

10k

100k

10M

FREQUENCY

GAIN

PHASE

POWER

GND

OUT

VCC

Figure 7. Power Driver Simplified Schematic.

Figure 6. Error Amplifier Open-Loop Gain and

Phase vs. Frequency.

0.2

0.4

0.6

0.8

1.0

1.2

1.4

OUTPUT CURRENT (A)

SOURCE

SINK

100

200

100

200

10nF

1nF

10nF

(ns)

Figure 9. Output Rise/Fall Time.

Figure 8. Output Drive Saturation Voltage vs.

Output Current.

OUTPUT DRIVER STAGE

The ML4818 has four high current high speed totem pole

output drivers each capable of 1.5A peak output, designed

to quickly switch the gates of capacitive loads, such as

power MOSFET transistors. Figure 8 illustrates the

saturation characteristics of the ouput drive transistors

shown in Figure 7. Typical rise and fall time characteristics

of the output drivers are illustrated with capacitive loads

of 1nF and 10nF in Figure 9.

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