MCP1602 datasheet(16/26 Pages) MICROCHIP

부품명	MCP1602

상세설명	2.0 MHz, 500 mA Synchronous Buck Regulator with Power-Good

PDF	26 Pages

Scroll/Zoom	100%

제조업체	MICROCHIP [Microchip Technology]

홈페이지	http://www.microchip.com

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16 / 26 page

MCP1602

DS22061A-page 16

5.8

PCB Layout Information

Good printed circuit board layout techniques are

important to any switching circuitry and switching

power supplies are no different. When wiring the high

current paths, short and wide traces should be used.

This high current path is shown with red connections in

Figure 5-1.

Therefore,

important

that

the

components along the high current path should be

placed as close as possible to the MCP1602 to

minimize the loop area.

The feedback resistors and feedback signal should be

routed away from the switching node and this switching

current loop. When possible ground planes and traces

should be used to help shield the feedback signal and

minimize noise and magnetic interference.

FIGURE 5-1:

PCB High Current Path.

SHDN

VCC

AGND

VFB

VIN

PGND

OFF

MCP1602

VIN

2.7V to 4.5V

VOUT

1.5V @ 500 mA

VIN

RPULLUP

4.7 µF

4.7 µH

4.7 µF

0.1 µF

Processor

Reset

MCP1602 데이터시트(PDF) 16 Page - Microchip Technology

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