XC9302

更新时间： 2024-11-05 22:34:55

品牌	Logo	应用领域
特瑞仕 - TOREX		转换器模拟IC 开关信号电路
页数	文件大小	规格书
12页	520K
描述
PWM, PWM/PFM Switching Step-Up & Down DC/DC Converter Controller ICs

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中文翻译

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技术参数
数据手册

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XC9302 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	,	Reach Compliance Code：	compliant
风险等级：	5.6	湿度敏感等级：	1
Base Number Matches：	1

XC9302 数据手册

06S_15XC9301/02新規 02.9.12 3:28 PM ページ 597

Series

PWM, PWM/PFM Switching Step-Up & Down DC/DC Converter Controller ICs

ꢁ

Input Voltage Range : 2.0V ~10.0V

■Applications

ꢀMobile phones

Output Voltage Range : 2.4V ~ 6.0V ( 2.5ꢀ accuracy)

Oscillation Frequency Range

ꢀPDAs

ꢀPalmtop computers

ꢀPortable audio equipment

ꢀVarious power supplies

: 180kHz, 300kHz ( 15ꢀ accuracy)

ꢁ

Maximum Duty Ratio : 85ꢀ (typ)

PWM/PFM Switching Step-Up & Down Control (XC9302)

Efficiency

: 81ꢀ (typ) 5.0V , 78ꢀ (typ) 3.3V

SOT-25 Package

■General Description

■Features

The XC9301/02 series are step-up/down DC/DC converter controller ICs

with fast, low ON resistance drivers built-in. A versatile, large output

current, step-up/down DC/DC converter can be realised using only 4

basic external components - transistors, coils, diodes and capacitors.

Input Voltage Range : 2.0V ~ 10V

Output Voltage Range : 2.4V ~ 6.0V ( 2.5% accuracy)

(selectable in 0.1V steps)

Oscillation Frequency : 180KHz, 300KHz ( 15% accuracy)

Output voltage is selectable in 0.1V steps within a 2.4V ~ 6.0V (

2.5%

Output Current

: more than 250mA (V^IN=2.4V,

VOUT=3.3V)

accuracy) range and switching frequency is set at 180kHz or 300KHz.

The XC9302 series switches from PWM to PFM control during light loads

and the series offers high efficiencies from light loads through to large

output currents.

Efficiency

Stand-By

: 81% (typ) at 5.0V, 78% (typ) at 3.3V

: ISTB = 0.5µA (max)

Output Voltage Internal Set-Up

SOT-25 Package

Soft-start time is internally set to 10 msec which offers protection against

rush currents when the power is switched on and also against voltage

overshoot.

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

as little as 0.5µA or less.

■Typical Application Circuit

■Typical Performance Characteristic

100

PSW

SD2

VOUT

VIN

SD1

NSW

VIN=2V

CIN

0.1

100

1000

Output Current:IOUT（mA）�

597

12 3 4 5 6 7...12

中文翻译

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