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XC9110C21ER PDF预览

XC9110C21ER

更新时间： 2024-11-14 10:40:19
品牌 Logo 应用领域
特瑞仕 - TOREX /
页数 文件大小 规格书
36页 1082K
描述
Switching Regulator/Controller

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中文翻译

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XC9110C21ER 技术参数

生命周期：Active包装说明：,
Reach Compliance Code：compliant风险等级：5.77
Base Number Matches：1

XC9110C21ER 数据手册

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XC9110/XC9111Series  
ETR0406-006a  
PFM Controlled Step-Up DC/DC Converter / Controller ICs  
■GENERAL DESCRIPTION  
The XC9110/9111 series is a group of PFM controlled step-up DC/DC converter/controller ICs designed to generate low supply  
voltage by the combination of PFM control and CMOS structure. The series is ideal for applications where a longer battery life is  
needed such as in portable communication equipment. With a built-in 2.5ΩN-channel driver transistor, the XC9110A/C/E and  
XC9111A/C/E types provide a step-up operation by using only a coil, a capacitor, and a diode connected externally.  
The XC9110/9111B, D and F versions can be used with an external transistor for applications requiring larger currents.  
Output voltage is internally programmable in a range from 1.5V to 7.0V in increments of 0.1V (accuracy:±2.5%).  
Maximum oscillation frequency is set to 100kHz for XC9110/9111 series. (At light loads, it is set to 180kHz for the XC9111  
series.) Options include products equipped with a CE pin (C and D versions) that allows the IC to be shut down thereby  
reducing supply current and with separated VDD/VOUT pins (E and F versions) to separate the power supply block and the  
output voltage detect block. With the XC9110 series, maximum duty cycle is set to 75% (VDD=3.3V) making it suitable for  
use with large current operations. The XC9111 series automatically switches duty ratio between 56% & 75% (VDD=3.3V)  
when it senses changes in load to drop output ripple voltage and can support both large and small currents. The external  
transistor types (B/D/F types) can be provided for applications, which require larger currents  
.
■APPLICATIONS  
■FEATURES  
Operating (Input) Range  
Output Voltage Range  
Output Accuracy  
: 0.9V ~ 10.0V  
: 1.5V~7.0V in 0.1V increments  
: ±2.5%  
●Mobile phones  
●Various palm top equipment  
●Cameras, VCRs  
Max Oscillation Frequency : 100 kHz ±15%  
180 kHz (at 56% duty of XC9111)  
: A/C/E type  
●Various portable equipment  
Built-in Switch Types  
N-ch FET On-Resistance  
External Transistor Types  
Lx Limit Voltage  
: 2.5Ω@ VDD=3.0V  
: B/D/F type  
: E type: more than VDD=2.0V  
: A/C type: more than VOUT=2.0V  
: 75% (for XC9110)  
Max Duty Cycles  
: 56%/75% two steps (for XC9111)  
: 2.0μA @ VOUT=3V  
Low Supply Current  
Operating Ambient Temperature: -40℃～+85℃  
Packages  
: SOT-23 ,SOT89 (for XC9111),  
SOT-25, USP-6C  
Environmentally Friendly  
: EU RoHS Compliant, Pb Free  
■TYPICAL PERFORMANCE  
■TYPICAL APPLICATION CIRCUIT  
●C type circuit  
CHARACTERISTICS  
XC9111E331MR  
L=100μH(CR54), CL47μF(Tantalum)  
SD: XBS104S14R-G  
100  
5
4
L
80  
(TOP VIEW)  
SOT-25  
3.0V  
2.4V  
60  
CIN  
VIN  
+
2
3
1
1.5V  
VOUT  
40  
1.2V  
+
VIN=0.9V  
SD  
CL  
(Tantalum)  
20  
0
GND  
0
5 0  
100  
150  
200  
250  
300  
CE  
Output Current:IOUT(mA)  
1/36  
1234567...36

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