MIC2132 datasheet(15/48 Pages) MICROCHIP

Part #	MIC2132

Description	75V Dual Phase, Advanced COT Buck Controller, Stackable for Multiphase Operation

PDF	48 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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15 / 48 page

 2022 Microchip Technology Inc. and its subsidiaries

DS20006654B-page 15

MIC2132

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 2-31:

Output Short-Circuit

Protection and Recovery (VOUT = 5V).

FIGURE 2-32:

Output Short-Circuit

Protection and Recovery (VOUT = 12V).

FIGURE 2-33:

Current Limit per Phase.

FIGURE 2-34:

VIN Power-Up into 10A

Load.

IL1

10A/div

IL3

10A/div

VIN = 48V

VOUT Short to Ground

for 20 ms

4 ms/div

VOUT

2V/div

VOUT = 5V

4 ms/div

IL1

10A/div

IL3

10A/div

VOUT

5V/div

VIN = 48V

VOUT = 12V

VOUT Short to Ground

for 20 ms

4 ms/div

IL1

10A/div

IL3

10A/div

VOUT

5V/div

VIN = 48V

VOUT = 5V

10 ms/div

VIN

50V/div

VOUT

5V/div

IL1

5A/div

IL3

5A/div

VIN = 48V

VOUT = 5V

Load = 10A

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