MIC2127A datasheet(14/38 Pages) MICROCHIP

Part #	MIC2127A

Description	75V, Synchronous Buck Controller Featuring Adaptive On-Time Control

PDF	38 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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14 / 38 page

MIC2127A

DS20005676B-page 14

 2016 Microchip Technology Inc.

Note:

Unless otherwise indicated, VVIN =12V, fSW =300 kHz, RILIM =1.3 k, L = 10 µH, VEXTVDD =VOUT, TA =+25°C

(refer to the Typical Application circuit).

FIGURE 2-49:

Recovery from Output Short

Circuit.

FIGURE 2-50:

Load Transient Response

(CCM Mode).

FIGURE 2-51:

Load Transient Response

(HLL Mode).

FIGURE 2-52:

Load Transient Response

(CCM Mode).

FIGURE 2-53:

Load Transient Response

(HLL Mode).

FIGURE 2-54:

Load Transient Response

(HLL Mode).

5A/div

VVIN =48V

VOUT =5V

Load = Short

RILIM =1.3 k

4ms/div

VOUT

2V/div

IOUT

2A/div

VVIN =48V

VOUT =5V

IOUT =0A to 5A

100 µs/div

VOUT

200 mV/div

AC coupled

IOUT

2A/div

VVIN = 48V

VOUT =5V

IOUT =0A to 5A

2ms/div

VOUT

200 mV/div

AC coupled

IOUT

2A/div

VVIN =48V

VOUT =5V

IOUT =0A to 2.5A

VOUT

100 mV/div

AC coupled

100 µs/div

IOUT

2A/div

VVIN =48V

VOUT =5V

IOUT =0A to 2.5A

VOUT

100 mV/div

AC coupled

2ms/div

IOUT

2A/div

VVIN =48V

VOUT =5V

IOUT = 2.5A to 5A

VOUT

100 mV/div

AC coupled

100 µs/div

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