MIC24045 datasheet(13/46 Pages) MICROCHIP

部件名	MIC24045

功能描述	I2C Programmable, 4.5V-19V Input, 5A Step-Down Converter

PDF	46 Pages

Scroll/Zoom	100%

制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

标志

13 / 46 page

 2016 Microchip Technology Inc.

DS20005568A-page 13

MIC24045

Note:

Unless otherwise indicated, VIN =12V, fS = 660 kHz, ILIM =ILIM_LS3, L = 2.2 µH, TA =+25°C.

FIGURE 2-29:

Power-up into Short Circuit,

(EN = VDDA, no I

2C programming, registers

default values for 2Z version).

FIGURE 2-30:

Enable into Short Circuit.

FIGURE 2-31:

Output Current Limit

Threshold.

FIGURE 2-32:

Hiccup Mode Short Circuit

Current Limit Response.

FIGURE 2-33:

Thermal Shutdown

Response.

FIGURE 2-34:

Recovery from Thermal

Shutdown.

VIN

5V/div

VOUT

500 mV/div

5V/div

2A/div

10 ms/div

2V/div

VOUT

500 mV/div

5V/div

2A/div

4ms/div

VOUT

1V/div

5A/div

AC coupled

IOUT

5A/div

5V/div

1ms/div

VOUT

1V/div

5A/div

AC coupled

IOUT

5A/div

5V/div

20 ms/div

VOUT

1V/div

10V/div

IOUT

500 mA/div

5V/div

100 ms/div

VOUT

1V/div

10V/div

IOUT

500 mA/div

5V/div

10 ms/div

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