MIC2132 datasheet(14/48 Pages) MICROCHIP

14 / 48 page

MIC2132

DS20006654B-page 14

 2022 Microchip Technology Inc. and its subsidiaries

Note: Unless otherwise indicated, VIN =12V; VOUT =5V; fSW = 500 kHz/phase; L1 = L2 = L3 = L4 = 4.7 µH;

RILIM = 63.4 kΩ; HS-FETs = N-ch 80V 30A 24 mΩ; LS-FETs = N-ch 80V 46A 16 mΩ; VBST – VSW =5V; TA = +25°C.

FIGURE 2-25:

Load Transient without

Droop (VOUT = 5V, IOUT = 5A to 25A).

FIGURE 2-26:

Load Transient without

Droop (VOUT = 12V, IOUT = 1A to 12A).

FIGURE 2-27:

Load Transient without

Droop (VOUT = 28V, IOUT = 1A to 6A).

FIGURE 2-28:

Load Transient with Droop

(VOUT = 5V, IOUT = 5A to 25A).

FIGURE 2-29:

Load Transient with Droop

(VOUT = 12V, IOUT = 1A to 12A).

FIGURE 2-30:

Load Transient with Droop

(VOUT = 28V, IOUT = 1A to 6A).

VOUT

100 mV/div

5V Offset

IL1

5A/div

IL3

5A/div

VIN = 48V

VOUT = 5V

IOUT = 5A to 25A

100

s/div

VOUT

200 mV/div

12V Offset

IL1

5A/div

IL3

5A/div

VIN = 48V

VOUT = 12V

IOUT = 1A to 12A

100

s/div

VOUT

200 mV/div

28V Offset

IL1

5A/div

IL3

5A/div

VIN = 48V

VOUT = 28V

IOUT = 1A to 6A

200

s/div

VOUT

100 mV/div

5V Offset

IL1

5A/div

IL3

5A/div

VIN = 48V

VOUT = 5V

IOUT = 5A to 25A

1 ms/div

RDROOP = 105

VOUT

200 mV/div

12V Offset

IL1

5A/div

IL3

5A/div

VIN = 48V

VOUT = 12V

IOUT = 1A to 12A

1 ms/div

RDROOP = 80

VOUT

200 mV/div

28V Offset

IL1

5A/div

IL3

5A/div

VIN = 48V

VOUT = 28V

IOUT = 1A to 6A

1 ms/div

RDROOP = 80

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