XRP6142 datasheet(7/17 Pages) EXAR

Il numero della parte	XRP6142

Spiegazioni elettronici	Synchronous Step-Down Controller with DDR

PDF	17 Pages

Scroll/Zoom	100%

Produttore elettronici	EXAR [Exar Corporation]

Homepage	http://www.exar.com

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7 / 17 page

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Page 7 of 17

Rev. 1.0.0

Fig. 10: Frequency versus VIN

Fig. 11: IOCP versus RLIM

Fig. 12: Power-up into a 15A load, VIN=5V, VOUT=2.5V

Fig. 13: Power-down from a 15A load, VIN=5V, VOUT=2.5V

Fig. 14: Steady state, output ripple is 30mV p-p, VOUT=2.5V

Fig. 15: Transient response, 250mV p-p, 15A load step

300

350

400

450

500

3.54.0

4.55.0

5.5

VIN (V)

VCC=5V

IOUT=15A

0.8

1.2

1.6

2.0

RLIM (kΩ)

tested Iocp

calculated Iocp

XRP6142EL2.0-F

VIN

5V/DIV

VOUT

2V/DIV

VSW

5V/DIV

IOUT

2V/DIV

VIN

5V/DIV

VOUT

2V/DIV

VSW

5V/DIV

IOUT

2V/DIV

2ms/DIV

2μs/DIV

100μs/DIV

VSW

5V/DIV

VOUT

20mV/DIV

AC coupled

10A/DIV

IOUT

10A/DIV

VOUT

100mV/DIV

AC coupled

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