RT8016 datasheet(2/14 Pages) RICHTEK

2 / 14 page

RT8016

DS8016-04 February 2012

www.richtek.com

is a registered trademark of Richtek Technology Corporation.

Typical Application Circuit

Figure 1. Fixed Voltage Regulator

Figure 2. Adjustable Voltage Regulator

⎟

⎠

⎞

⎜

⎝

⎛ +

REF

OUT

with R2 = 300k

Ω to 60kΩ so the IR2 = 2μA to 10μA,

and (R1 x C1) should be in the range between 3x10-6 and 6x10-6 for component selection.

Figure 3. Layout Guide for RT8016

Layout note:

1. The distance that CIN connects to VIN is as close as possible (Under 2mm).

2. COUT should be placed near RT8016.

Layout Guide

4.7µF

10µF

VIN

RT8016

VOUT

2.2µH

2.5V to 5.5V

VIN

VOUT

CIN

1, 5

COUT

GND

4.7µF

10µF

VIN

RT8016

2.2µH

2.5V to 5.5V

VIN

VOUT

CIN

COUT

IR2

1, 5

GND

VIN

GND

COUT

CIN

RT8016_FIX

CIN must be placed

between VDD and

GND as close as

possible

LX should be connected

to Inductor by wide and

short trace, keep

sensitive compontents

away from this trace

Output capacitor

must be near

RT8016

6 VOUT

VIN

GND

RT8016_ADJ

CIN must be placed

between VDD and

GND as close as

possible

LX should be

connected to

Inductor by wide

and short trace,

keep sensitive

compontents away

from this trace

Output

capacitor

must be near

RT8016

COUT

CIN

GND

RT8016 데이터시트(PDF) 2 Page - Richtek Technology Corporation

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