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XC9201C20AKR

更新时间： 2024-02-17 20:06:49

品牌	Logo	应用领域
特瑞仕 - TOREX		转换器
页数	文件大小	规格书
20页	336K
描述
PWM Controlled Step-Down DC/DC Converters

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技术参数
数据手册

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XC9201C20AKR 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	,	Reach Compliance Code：	compliant
风险等级：	5.84	Is Samacsys：	N
湿度敏感等级：	1	Base Number Matches：	1

XC9201C20AKR 数据手册

05S_1XC9201/9202新規 02.09.12 15:16 ページ 535

Series

PWM Controlled Step-Down DC/DC Converters

ꢁInput Voltage Range

ꢁOutput Voltage Range

: 2.5V ~20V

: 1.2V ~ 16V

■Applications

ꢀMobile, Cordless phones

ꢀPalm top computers, PDAs

ꢀPortable games

ꢁOscillation Frequency Range : 100kHz ~

600kHz

ꢀCameras, Digital cameras

ꢀLaptops

ꢁOutput Current

: up to 3.0A

ꢁCeramic Capacitor Compatible

ꢁMSOP-8A Package

■General Description

The XC9201 series are step-up multiple current and voltage feedback

DC/DC controller ICs. Current sense, clock frequencies and amp

feedback gain can all be externally regulated.

■Features

ꢀStable Operations via Current & Voltage Multiple Feedback

ꢀUnlimited Options for Peripheral Selection

ꢀCurrent Protection Circuit

A stable power supply is possible with output currents of up to 3.0A.With

output voltage fixed internally, VOUT is selectable in 0.1V steps within a

1.2V - 16.0V range ( 2.5%).

ꢀCeramic Capacitor Compatible

For output voltages outside this range, we recommend the FB version

which has a 0.9V internal reference voltage. Using this version, the

required output voltage can be set-up using 2 external resistors.

Switching frequencies can also be set-up externally within a range of

100~600 kHz and therefore frequencies suited to your particular

application can be selected.

With the current sense function, peak currents (which flow through the

driver transistor and the coil) can be controlled. Soft-start time can be

adjusted using external resistors and capacitors.

During shutdown (CE pin =L), consumption current can be reduced to as

little as 0.5µA (TYP.) or less and with U.V.L.O

(Under Voltage Lock Out) built-in, the external transistor will be

automatically shut off below the regulated voltage.

■Typical Application Circuit

■Typical Performance

Characteristic

22μH

OUT:5.0V FOSC:330kHz

XP132A11A1SR

100

1 EXT

2 Isen

Vss 8

VOUT 7

GAIN 6

CLK 5

U3FWJ44N

33mΩ�

3 V^IN

240kΩ�

IN=5.4V

7.2V

10.0V

12.0V

15.0V

4 CE/SS

40μF+220μF

94μF

0.33μF

1μF

470pF

10KΩ�

220pF

0.1

100

1000 10000

Output Current：IOUT（mA）�

535

12 3 4 5 6 7...20

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