MIC2133 datasheet(13/50 Pages) MICROCHIP

tên linh kiện	MIC2133

Giải thích chi tiết về linh kiện	75V Dual Phase, Advanced COT Buck Controller with Selectable Droop Feature and Phase Shedding

PDF	50 Pages

Scroll/Zoom	100%

nhà sản xuất	MICROCHIP [Microchip Technology]

Trang chủ	http://www.microchip.com

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DS20006653B-page 13

MIC2133

Note: Unless otherwise indicated, VIN = 12V; VOUT =5V; fSW = 500 kHz/phase; L1 =L2 = 4.7 µH; RILIM =63.4kΩ;

HS-FETs (Q1,Q3) = N-ch 80V 30A 24 mΩ; LS-FETs (Q2,Q4) = N-ch 80V 46A 16 mΩ; VBST – VSW =5V; TA = +25°C.

FIGURE 2-19:

Soft Start with Enable

(VOUT = 12V, IOUT = 0A).

FIGURE 2-20:

Soft Start with Enable

(VOUT = 12V, IOUT = 5A).

FIGURE 2-21:

Soft Start with Enable

(VOUT = 28V, IOUT = 0A).

FIGURE 2-22:

Soft Start with Enable

(VOUT = 28V, IOUT = 5A).

FIGURE 2-23:

Pre-Bias Start-Up

(VPREBIAS = 1V, IOUT = 0.1A).

FIGURE 2-24:

Pre-Bias Start-Up

(VPREBIAS = 2.5V, IOUT = 0.1A).

VEN

2 ms/div

5V/div

VSW1

50V/div

VOUT = 12V

IOUT = 0A

VOUT

10V/div

IL1

10A/div

VIN = 48V

VEN

2 ms/div

5V/div

VSW1

IOUT = 5A

VOUT

10V/div

IL1

10A/div

50V/div

VOUT = 12V

VIN = 48V

VEN

2 ms/div

5V/div

VSW1

IOUT = 0A

VOUT

20V/div

IL1

10A/div

50V/div

VOUT = 28V

VIN = 48V

VEN

2 ms/div

5V/div

VSW1

IOUT = 5A

VOUT

20V/div

IL1

10A/div

50V/div

VOUT = 28V

VIN = 48V

VEN

5V/div

IOUT = 0.1A

VOUT

5V/div

2 ms/div

VPREBIAS = 1V

VSW1

50V/div

IL1

10A/div

VOUT = 5V

VIN = 48V

VEN

5V/div

IOUT = 0.1A

VOUT

5V/div

2 ms/div

VPREBIAS = 2.5V

VSW1

50V/div

IL1

10A/div

VOUT = 5V

VIN = 48V

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