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XC9128B45CDR PDF预览

XC9128B45CDR

更新时间： 2024-11-21 05:55:07
品牌 Logo 应用领域
特瑞仕 - TOREX 转换器驱动
页数 文件大小 规格书
13页 339K
描述
1A Driver Transistor Built-In, Step-Up DC/DC Converters

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中文翻译

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XC9128B45CDR 技术参数

是否Rohs认证： 符合生命周期：Active
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.76
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：VOLTAGE-MODE
JESD-30 代码：R-PDSO-N10端子数量：10
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：SON
封装等效代码：SOLCC10,.1,25/20封装形状：RECTANGULAR
封装形式：SMALL OUTLINE认证状态：Not Qualified
子类别：Switching Regulator or Controllers表面贴装：YES
最大切换频率：1380 kHz温度等级：INDUSTRIAL
端子形式：NO LEAD端子节距：0.5 mm
端子位置：DUALBase Number Matches：1

XC9128B45CDR 数据手册

 浏览型号XC9128B45CDR的Datasheet PDF文件第2页浏览型号XC9128B45CDR的Datasheet PDF文件第3页浏览型号XC9128B45CDR的Datasheet PDF文件第4页浏览型号XC9128B45CDR的Datasheet PDF文件第5页浏览型号XC9128B45CDR的Datasheet PDF文件第6页浏览型号XC9128B45CDR的Datasheet PDF文件第7页 
XC9128/XC9129Series  
ETR0411-006  
1A Driver Transistor Built-In, Step-Up DC/DC Converters  
■GENERAL DESCRIPTION  
The XC9128/XC9129 series are synchronous step-up DC/DC converters with a 0.2Ω (TYP.) N-channel driver transistor and a  
synchronous 0.2Ω (TYP.) P-channel switching transistor built-in. A highly efficient and stable current can be supplied up to  
1.0A by reducing ON resistance of the built-in transistors. With a high switching frequency of 1.2MHz, a small inductor is  
selectable making the series ideally suited for applications requiring low profile or space saving solutions. With the MODE  
pin, the series provides mode selection of PWM control or PFM/PWM automatic switching control. In the PWM/PFM  
automatic switching mode, the series switches from PWM to PFM to reduce switching loss when load current is small.  
When load current is large, the series switches automatically to the PWM mode so that high efficiency is achievable over a  
wide range of load conditions. The series also provides small output ripple from light to large loads by using the built-in  
circuit which enables the smooth transition between PWM and PFM. With a adaptor enable function of the XC9128 series,  
when a voltage higher than the input voltage is applied to the output, the input and the output become isolated making it  
possible for the IC to work in parallel with the likes of an AC adaptor.  
■ FEATURES  
High Efficiency, Large Current Step-Up Converter  
■APPLICATIONS  
●Digital audio equipment  
Output Current  
: 150mA＠VOUT=3.3V, VIN=0.9V  
500mA＠VOUT=3.3V, VIN=1.8V  
: 0.8V~6.0V  
: 1.8V~5.3V (Externally set)  
Set up freely with a reference voltage  
supply of 0.45V (±0.010V) & external  
components  
●Digital cameras, Video equipment  
●Computer Mice  
Input Voltage Range  
Output Voltage Setting  
Range  
●Various multi-function power supplies using alkali cells (1  
to 3 cells), nickel hydride batteries, or single lithium cells  
Oscillation Frequency  
: 1.2MHz (Fixed oscillation frequency  
accuracy ±15%)  
Input Current  
: 1.0A  
Maximum Current Limit  
Control  
: 1.2A (MIN.), 2.0A (MAX.)  
: PWM, PWM/PFM control  
externally selectable  
High Speed  
Transient Response  
Protection Circuits  
:100mV @ VOUT=3.3V,  
VIN=1.8V, IOUT=10mA→100mA  
: Thermal shutdown  
: Integral latch method (Over current  
limit)  
Soft-Start Time  
: 5ms (TYP.) internally set  
Ceramic Capacitor Compatible  
Adaptor Enable Function (XC9128 series)  
Packages  
: MSOP-10, USP-10B, SOP-8  
Flag Output (XC9128 series) : Open-drain output  
■TYPICAL PERFORMANCE  
CHARACTERISTICS  
●Efficiency vs. Output Current  
XC9128B45CDx  
■TYPICAL APPLICATION CIRCUIT  
CIN  
VOUT  
PGND  
VOUT  
MODE  
10  
9
1
2
3
4
5
VIN  
MODE  
VOUT=5.0V, fOSC=1.2MHz  
CFB  
RFB1  
Lx  
L
EN  
FO  
CL  
(ceramic)  
L=4.7μH (CDRH4D28C), CIN=10μF, CL=32μF  
BAT  
EN  
FB  
8
100  
AGND  
7
RFB2  
FO  
AEN/  
6
80  
60  
3.7V  
VIN=1.8V  
40  
20  
0
PWM(MODE:H)  
PWM/PFM(MODE:L)  
0.1  
1
10  
100  
1000  
Output Current: IOUT (mA)  
1/13  
1234567...13

中文翻译

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