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XC6601A071ER-G PDF预览

XC6601A071ER-G

更新时间: 2022-12-29 06:50:46
品牌 Logo 应用领域
特瑞仕 - TOREX 稳压器软启动
页数 文件大小 规格书
33页 696K
描述
Low Voltage Input LDO Voltage Regulator with Soft-Start Function

XC6601A071ER-G 数据手册

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XC6601Series  
ETR0335_005  
Low Voltage Input LDO Voltage Regulator with Soft-Start Function  
GENERAL DESCRIPTION  
The XC6601 series is a low voltage input CMOS LDO regulator which provides highly accurate (±20mV) outputs and can  
supply current efficiently due to its ultra low on-resistance even at low output voltages. The series is ideally suited to the  
applications which require very low dropout voltage operation and consists of a voltage reference, an error amplifier, a driver  
transistor, a current limiter, a fold back circuit, a thermal shutdown (TSD) circuit, an under voltage lock out (UVLO) circuit,  
soft-start circuit and a phase compensation circuit.  
Output voltage is selectable in 0.05V increments within a range of 0.7V to 1.8V using laser trimming technology and ceramic  
capacitors can be used for the output stabilization capacitor (CL).  
The over current protection circuit (the current limiter and the fold back circuit) as well as the thermal shutdown circuit (the  
TSD circuit) are built-in. These two protection circuits will operate when either the output current reaches the current limit  
level or the junction temperature reaches the temperature limit level.  
With the built-in UVLO function, the regulator output is forced OFF when the voltage level at the VBIAS pin or the VIN pin falls  
below the UVLO voltage level. With the soft-start function, the inrush current from VIN to VOUT for charging CL at start-up can  
be reduced and makes the VIN stable.  
The CE function enables the output to be turned off and the series to be put in stand-by mode resulting in greatly reduced  
power consumption. At the time of entering the stand-by mode, the series enables the electric charge at the output capacitor  
(CL) to be discharged via the internal auto-discharge switch which is located between the VOUT pin and the VSS pin. As a  
result the VOUT pin quickly returns to the VSS level.  
FEATURES  
Maximum Output Current  
Dropout Voltage  
APPLICATIONS  
Mobile phones  
: 400mA (Limit:550mA TYP.)  
: 38mV@IOUT=100mA (TYP.)  
(at VBIAS - VOUT=2.4V)  
: 2.5V ~ 6.0V (VBIAS - VOUT1.2V)  
Cordless phones  
Wireless communication equipment  
Portable games  
Bias Voltage Range  
Input Voltage Range  
Output Voltage Range  
Output Voltage Accuracy  
Power Consumption  
: 1.0V ~ 3.0V(VINVBIAS)  
: 0.7V ~ 1.8V (0.05V increments)  
:±20mV  
: IBIAS=25μA , IIN=1.0μA (TYP.)  
IBIAS=0.01μA , IIN=0.01μA (TYP.)  
: VBIAS=2.0V, VIN=0.4V (TYP.)  
: 150/125(TYP.)  
Cameras  
Audio visual equipment  
Portable AV equipment  
PDAs  
UVLO  
TSD (Detect/Release)  
Soft-Start Time  
: 240μs @ VOUT=1.2V (TYP.)  
Operating Temperature Range : -40~ +85℃  
Function  
: CL High Speed Auto-Discharge  
Low ESR Capacitor  
Packages  
Environmentally Friendly  
: Ceramic Capacitor Compatible  
: USP-6C, SOT-25, SOT-89-5  
: EU RoHS Compliant, Pb Free  
TYPICAL PEFORMANCE  
TYPICAL APPLICATION CIRCUIT  
VBIAS =3.6V , VIN =1.8V , VOUT =1.5V  
CHARACTERISTICS  
Dropout Voltage vs. Output Current  
XC6601B121MR  
Ta=25 [℃]  
300  
VBIAS=3.0V  
250  
200  
150  
100  
50  
VBIAS=3.3V  
VBIAS=3.6V  
VBIAS=4.2V  
VBIAS=5.0V  
0
0
100  
200  
ꢀOutput Current: IOUT(mA)  
300  
400  
1/33  

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